Chinese Journal OF Rice Science ›› 2020, Vol. 34 ›› Issue (1): 57-68.DOI: 10.16819/j.1001-7216.2020.9049
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Zhiyun PENG, Kaihong XIANG, Zhiyuan YANG, Yuan TANG, Jie SHEN, Yujie ZHANG, Yan HE, Tianrong YAN, Yongjian SUN, Jun MA*()
Online:
2020-01-10
Published:
2020-01-10
Contact:
Jun MA
彭志芸, 向开宏, 杨志远, 唐源, 谌洁, 张宇杰, 何艳, 严田蓉, 孙永健, 马均*()
通讯作者:
马均
CLC Number:
Zhiyun PENG, Kaihong XIANG, Zhiyuan YANG, Yuan TANG, Jie SHEN, Yujie ZHANG, Yan HE, Tianrong YAN, Yongjian SUN, Jun MA. Effects of Straw Returning to Paddy Field and Nitrogen Fertilizer Management on Nitrogen Utilization Characteristics of Direct Seeded Hybrid Rice Under Wheat/Rape-rice Rotation[J]. Chinese Journal OF Rice Science, 2020, 34(1): 57-68.
彭志芸, 向开宏, 杨志远, 唐源, 谌洁, 张宇杰, 何艳, 严田蓉, 孙永健, 马均. 麦/油-稻轮作下秸秆还田与氮肥管理对直播杂交稻氮素利用特征的影响[J]. 中国水稻科学, 2020, 34(1): 57-68.
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URL: http://www.ricesci.cn/EN/10.16819/j.1001-7216.2020.9049
土壤肥力 Soil fertility | 有机质 Organic matter /(g·kg-1) | 速效氮 Available N/(mg·kg-1) | 速效磷 Available P/(mg·kg-1) | 速效钾 Available K/(mg·kg-1) |
---|---|---|---|---|
麦茬田 Field with wheat stubble returning | 31.36 | 92.39 | 16.74 | 187.43 |
油茬田 Field with rape stubble returning | 39.49 | 102.59 | 17.47 | 226.76 |
Table 1 Chemical properties of topsoil (0-20 cm) in the experimental field.
土壤肥力 Soil fertility | 有机质 Organic matter /(g·kg-1) | 速效氮 Available N/(mg·kg-1) | 速效磷 Available P/(mg·kg-1) | 速效钾 Available K/(mg·kg-1) |
---|---|---|---|---|
麦茬田 Field with wheat stubble returning | 31.36 | 92.39 | 16.74 | 187.43 |
油茬田 Field with rape stubble returning | 39.49 | 102.59 | 17.47 | 226.76 |
处理 Treatment | 氮素积累 N accumulation/(kg·hm-2) | 籽粒产量 Grain yield/(kg·hm-2) | 氮素收获指数 N harvest index/% | |||
---|---|---|---|---|---|---|
拔节期 Jointing | 齐穗期 Full heading | 成熟期 Maturity | ||||
麦-稻轮作 Wheat-rice rotation system | ||||||
M0N0 | 31.9±3.02 c | 74.71±3.22 d | 91.46±8.45 d | 7 790±194.56 b | 74.20±0.39 a | |
M0N1 | 64.94±5.11 a | 110.17±3.16 c | 127.02±5.21 c | 9 309±224.33 a | 69.20±1.31 b | |
M0N2 | 45.68±2.23 b | 144.22±8.23 b | 164.00±1.88 b | 9 641±255.94 a | 70.76±1.56 b | |
M0N3 | 42.58±4.40 b | 161.05±8.44 a | 183.72±9.85 a | 9 761±335.64 a | 67.44±1.23 c | |
均值 Average | 46.28±1.18 | 122.54±1.85 | 141.55±5.68 | 9 125±213.92 | 70.40±0.23 | |
M1N0 | 21.95±2.37 d | 70.64±6.53 d | 85.92±1.30 d | 7 409±292.20 c | 75.40±0.96 a | |
M1N1 | 49.26±2.94 a | 125.31±4.15 c | 143.29±5.30 c | 9 489±307.61 b | 68.43±1.22 b | |
M1N2 | 40.41±6.82 b | 170.87±11.52 a | 198.32±10.10 a | 10 090±472.87 a | 68.79±1.14 b | |
M1N3 | 31.59±1.44 c | 155.88±6.69 b | 179.02±4.90 b | 9 855±256.02 ab | 70.23±0.82 b | |
均值 Average | 35.8±2.29 | 130.68±5.08 | 151.64±4.66 | 9 211±52.75 | 70.71±0.13 | |
F值 F value | M | 27.32* | 4.14 | 2.85 | 0.31 | 19.78* |
N | 59.44** | 212.74** | 509.66** | 75.57** | 29.84** | |
M×N | 1.71 | 7.70** | 23.54** | 1.99 | 4.03* | |
油菜-稻轮作 Rape-rice rotation system | ||||||
M0N0 | 32.30±1.05 c | 85.99±3.10 c | 101.65±10.80 c | 8 253±289.03 c | 71.87±0.92 a | |
M0N1 | 60.22±2.61 a | 117.92±1.25 b | 137.64±7.71 b | 9 331±390.09 b | 69.24±3.87 a | |
M0N2 | 54.56±9.61 a | 165.46±7.71 a | 186.94±20.61 a | 10 227±461.31 a | 69.03±15.03 a | |
M0N3 | 43.25±2.8 b | 175.40±8.41 a | 197.48±11.80 a | 10 411±109.19 a | 67.84±2.76 a | |
均值 Average | 47.58±3.79 a | 136.19±0.46 b | 155.93±2.84 a | 9 555±255.56 | 69.49±2.76 | |
M1N0 | 35.90±9.77 b | 90.68±2.40 c | 102.79±2.13 c | 8 015±286.33 c | 70.61±1.69 a | |
M1N1 | 54.74±8.55 a | 140.52±9.99 b | 158.76±14.04 b | 9 588±460.12 b | 67.61±12.13 a | |
M1N2 | 53.99±7.31 a | 182.76±5.54 a | 215.36±7.50 a | 10 693±275.95 a | 67.67±4.04 a | |
M1N3 | 48.98±1.73 a | 176.66±10.91 a | 199.79±5.20 a | 10 473±168.37 a | 67.09±1.32 a | |
均值 Average | 48.40±4.32 | 147.66±2.94 | 169.17±0.95 | 9 692±106.85 | 68.24±1.35 | |
F值 F value | M | 0.09 | 62.95* | 13.73 | 0.52 | 1.59 |
N | 19.44** | 173.79** | 86.47** | 78.60** | 1.47 | |
M×N | 1.10 | 2.56 | 1.82 | 1.46 | 0.02 |
Table 2 Effects of straw returning and nitrogen fertilizer management under wheat/rape-rice rotation on nitrogen content, yield and nitrogen harvest index of rice plants in main growing periods of hybrid rice.
处理 Treatment | 氮素积累 N accumulation/(kg·hm-2) | 籽粒产量 Grain yield/(kg·hm-2) | 氮素收获指数 N harvest index/% | |||
---|---|---|---|---|---|---|
拔节期 Jointing | 齐穗期 Full heading | 成熟期 Maturity | ||||
麦-稻轮作 Wheat-rice rotation system | ||||||
M0N0 | 31.9±3.02 c | 74.71±3.22 d | 91.46±8.45 d | 7 790±194.56 b | 74.20±0.39 a | |
M0N1 | 64.94±5.11 a | 110.17±3.16 c | 127.02±5.21 c | 9 309±224.33 a | 69.20±1.31 b | |
M0N2 | 45.68±2.23 b | 144.22±8.23 b | 164.00±1.88 b | 9 641±255.94 a | 70.76±1.56 b | |
M0N3 | 42.58±4.40 b | 161.05±8.44 a | 183.72±9.85 a | 9 761±335.64 a | 67.44±1.23 c | |
均值 Average | 46.28±1.18 | 122.54±1.85 | 141.55±5.68 | 9 125±213.92 | 70.40±0.23 | |
M1N0 | 21.95±2.37 d | 70.64±6.53 d | 85.92±1.30 d | 7 409±292.20 c | 75.40±0.96 a | |
M1N1 | 49.26±2.94 a | 125.31±4.15 c | 143.29±5.30 c | 9 489±307.61 b | 68.43±1.22 b | |
M1N2 | 40.41±6.82 b | 170.87±11.52 a | 198.32±10.10 a | 10 090±472.87 a | 68.79±1.14 b | |
M1N3 | 31.59±1.44 c | 155.88±6.69 b | 179.02±4.90 b | 9 855±256.02 ab | 70.23±0.82 b | |
均值 Average | 35.8±2.29 | 130.68±5.08 | 151.64±4.66 | 9 211±52.75 | 70.71±0.13 | |
F值 F value | M | 27.32* | 4.14 | 2.85 | 0.31 | 19.78* |
N | 59.44** | 212.74** | 509.66** | 75.57** | 29.84** | |
M×N | 1.71 | 7.70** | 23.54** | 1.99 | 4.03* | |
油菜-稻轮作 Rape-rice rotation system | ||||||
M0N0 | 32.30±1.05 c | 85.99±3.10 c | 101.65±10.80 c | 8 253±289.03 c | 71.87±0.92 a | |
M0N1 | 60.22±2.61 a | 117.92±1.25 b | 137.64±7.71 b | 9 331±390.09 b | 69.24±3.87 a | |
M0N2 | 54.56±9.61 a | 165.46±7.71 a | 186.94±20.61 a | 10 227±461.31 a | 69.03±15.03 a | |
M0N3 | 43.25±2.8 b | 175.40±8.41 a | 197.48±11.80 a | 10 411±109.19 a | 67.84±2.76 a | |
均值 Average | 47.58±3.79 a | 136.19±0.46 b | 155.93±2.84 a | 9 555±255.56 | 69.49±2.76 | |
M1N0 | 35.90±9.77 b | 90.68±2.40 c | 102.79±2.13 c | 8 015±286.33 c | 70.61±1.69 a | |
M1N1 | 54.74±8.55 a | 140.52±9.99 b | 158.76±14.04 b | 9 588±460.12 b | 67.61±12.13 a | |
M1N2 | 53.99±7.31 a | 182.76±5.54 a | 215.36±7.50 a | 10 693±275.95 a | 67.67±4.04 a | |
M1N3 | 48.98±1.73 a | 176.66±10.91 a | 199.79±5.20 a | 10 473±168.37 a | 67.09±1.32 a | |
均值 Average | 48.40±4.32 | 147.66±2.94 | 169.17±0.95 | 9 692±106.85 | 68.24±1.35 | |
F值 F value | M | 0.09 | 62.95* | 13.73 | 0.52 | 1.59 |
N | 19.44** | 173.79** | 86.47** | 78.60** | 1.47 | |
M×N | 1.10 | 2.56 | 1.82 | 1.46 | 0.02 |
处理 Treatment | 氮素积累量 N accumulation amount/(kg·hm-2) | 氮素积累速率 N accumulation rate/(kg·hm-2d-1) | ||||||
---|---|---|---|---|---|---|---|---|
播种-拔节 SS-JS | 拔节-齐穗 JS-FHS | 齐穗-成熟 FHS-MS | 播种-拔节 SS-JS | 拔节-齐穗 JS-FHS | 齐穗-成熟 FHS-MS | |||
麦-稻轮作 Wheat-rice rotation system | ||||||||
M0N0 | 31.90±3.02 c | 42.81±2.01 c | 16.74±6.05 a | 0.60±0.06 c | 1.07±0.05 c | 0.42±0.15 c | ||
M0N1 | 64.94±5.11 a | 45.23±7.75 c | 16.86±2.87 a | 1.23±0.10 a | 1.13±0.19 c | 0.42±0.07 bc | ||
M0N2 | 45.68±2.23 b | 98.54±10.38 b | 19.78±1.54 a | 0.86±0.04 b | 2.46±0.26 b | 0.49±0.20 ab | ||
M0N3 | 42.58±4.45 b | 118.47±12.79 a | 22.67±5.05 a | 0.80±0.08 b | 2.96±0.32 a | 0.57±0.13 a | ||
均值 Average | 46.28±1.18 | 76.26±2.01 | 19.01±4.98 | 0.87±0.02 | 1.91±0.05 | 0.52±0.12 | ||
M1N0 | 21.95±2.37 d | 48.70±5.99 c | 15.27±5.96 c | 0.41±0.04 d | 1.22±0.15 c | 0.38±0.15 c | ||
M1N1 | 49.26±2.94 a | 76.05±6.15 b | 17.98±4.15 bc | 0.93±0.06 a | 1.90±0.15 b | 0.45±0.10 c | ||
M1N2 | 40.41±6.82 b | 130.46±12.49 a | 27.45±3.12 a | 0.76±0.13 b | 3.26±0.31 a | 0.69±0.21 a | ||
M1N3 | 31.59±1.44 c | 124.29±7.20 a | 23.14±7.29 ab | 0.60±0.03 c | 3.11±0.18 a | 0.58±0.18 b | ||
均值 Average | 35.80±2.29 | 94.87±5.13 | 20.96±4.19 | 0.68±0.04 | 2.37±0.13 | 0.48±0.10 | ||
F值 F value | M | 27.32* | 20.42* | 0.57 | 27.32* | 20.41* | 0.57 | |
N | 59.44** | 104.77** | 5.66* | 59.45** | 104.77** | 5.66** | ||
M×N | 1.71 | 3.95* | 1.52 | 1.71 | 3.95* | 1.52 | ||
油菜-稻轮作 Rape-rice rotation system | ||||||||
M0N0 | 32.30±1.05 c | 53.68±2.12 c | 15.67±1.03 a | 0.61±0.02 c | 1.34±0.05 c | 0.39±0.19 b | ||
M0N1 | 60.22±2.61 a | 57.70±1.37 c | 19.72±6.46 a | 1.14±0.05 a | 1.44±0.03 c | 0.49±0.16 a | ||
M0N2 | 54.56±9.61 a | 110.90±15.93 b | 21.48±3.00 a | 1.03±0.18 a | 2.77±0.4 b | 0.54±0.35 a | ||
M0N3 | 43.25±2.80 b | 132.15±10.48 a | 22.08±3.40 a | 0.82±0.05 b | 3.30±0.26 a | 0.55±0.09 a | ||
均值 Average | 47.58±3.79 | 88.61±6.28 | 19.74±2.42 a | 0.90±0.07 | 2.22±0.16 | 0.49±0.06 | ||
M1N0 | 35.90±9.77 b | 54.77±11.05 c | 12.11±0.47 b | 0.68±0.18 b | 1.37±0.28 c | 0.30±0.01 d | ||
M1N1 | 54.74±8.55 a | 85.78±10.40 b | 18.24±6.45 b | 1.03±0.16 a | 2.14±0.26 b | 0.46±0.16 c | ||
M1N2 | 53.99±7.31 a | 128.78±11.40 a | 32.60±5.64 a | 1.02±0.14 a | 3.22±0.28 a | 0.81±0.14 a | ||
M1N3 | 48.98±1.73 a | 127.68±10.30 a | 23.13±6.12 ab | 0.92±0.03 a | 3.19±0.26 a | 0.58±0.15 b | ||
均值 Average | 48.40±4.32 | 99.25±60.00 | 21.52±3.59 | 0.91±0.08 | 2.48±0.15 | 0.54±0.09 | ||
F值 F value | M | 0.09 | 3.66 | 0.58 | 0.09 | 3.66 | 0.58 | |
N | 19.44** | 90.38** | 8.55** | 19.44** | 90.38** | 8.55** | ||
M×N | 1.10 | 3.79* | 3.41 | 1.10 | 3.79* | 3.41 |
Table 3 Effects of straw returning and nitrogen fertilizer management under wheat/rape-rice rotation on nitrogen accumulation amount and rate in main growth stages of hybrid rice.
处理 Treatment | 氮素积累量 N accumulation amount/(kg·hm-2) | 氮素积累速率 N accumulation rate/(kg·hm-2d-1) | ||||||
---|---|---|---|---|---|---|---|---|
播种-拔节 SS-JS | 拔节-齐穗 JS-FHS | 齐穗-成熟 FHS-MS | 播种-拔节 SS-JS | 拔节-齐穗 JS-FHS | 齐穗-成熟 FHS-MS | |||
麦-稻轮作 Wheat-rice rotation system | ||||||||
M0N0 | 31.90±3.02 c | 42.81±2.01 c | 16.74±6.05 a | 0.60±0.06 c | 1.07±0.05 c | 0.42±0.15 c | ||
M0N1 | 64.94±5.11 a | 45.23±7.75 c | 16.86±2.87 a | 1.23±0.10 a | 1.13±0.19 c | 0.42±0.07 bc | ||
M0N2 | 45.68±2.23 b | 98.54±10.38 b | 19.78±1.54 a | 0.86±0.04 b | 2.46±0.26 b | 0.49±0.20 ab | ||
M0N3 | 42.58±4.45 b | 118.47±12.79 a | 22.67±5.05 a | 0.80±0.08 b | 2.96±0.32 a | 0.57±0.13 a | ||
均值 Average | 46.28±1.18 | 76.26±2.01 | 19.01±4.98 | 0.87±0.02 | 1.91±0.05 | 0.52±0.12 | ||
M1N0 | 21.95±2.37 d | 48.70±5.99 c | 15.27±5.96 c | 0.41±0.04 d | 1.22±0.15 c | 0.38±0.15 c | ||
M1N1 | 49.26±2.94 a | 76.05±6.15 b | 17.98±4.15 bc | 0.93±0.06 a | 1.90±0.15 b | 0.45±0.10 c | ||
M1N2 | 40.41±6.82 b | 130.46±12.49 a | 27.45±3.12 a | 0.76±0.13 b | 3.26±0.31 a | 0.69±0.21 a | ||
M1N3 | 31.59±1.44 c | 124.29±7.20 a | 23.14±7.29 ab | 0.60±0.03 c | 3.11±0.18 a | 0.58±0.18 b | ||
均值 Average | 35.80±2.29 | 94.87±5.13 | 20.96±4.19 | 0.68±0.04 | 2.37±0.13 | 0.48±0.10 | ||
F值 F value | M | 27.32* | 20.42* | 0.57 | 27.32* | 20.41* | 0.57 | |
N | 59.44** | 104.77** | 5.66* | 59.45** | 104.77** | 5.66** | ||
M×N | 1.71 | 3.95* | 1.52 | 1.71 | 3.95* | 1.52 | ||
油菜-稻轮作 Rape-rice rotation system | ||||||||
M0N0 | 32.30±1.05 c | 53.68±2.12 c | 15.67±1.03 a | 0.61±0.02 c | 1.34±0.05 c | 0.39±0.19 b | ||
M0N1 | 60.22±2.61 a | 57.70±1.37 c | 19.72±6.46 a | 1.14±0.05 a | 1.44±0.03 c | 0.49±0.16 a | ||
M0N2 | 54.56±9.61 a | 110.90±15.93 b | 21.48±3.00 a | 1.03±0.18 a | 2.77±0.4 b | 0.54±0.35 a | ||
M0N3 | 43.25±2.80 b | 132.15±10.48 a | 22.08±3.40 a | 0.82±0.05 b | 3.30±0.26 a | 0.55±0.09 a | ||
均值 Average | 47.58±3.79 | 88.61±6.28 | 19.74±2.42 a | 0.90±0.07 | 2.22±0.16 | 0.49±0.06 | ||
M1N0 | 35.90±9.77 b | 54.77±11.05 c | 12.11±0.47 b | 0.68±0.18 b | 1.37±0.28 c | 0.30±0.01 d | ||
M1N1 | 54.74±8.55 a | 85.78±10.40 b | 18.24±6.45 b | 1.03±0.16 a | 2.14±0.26 b | 0.46±0.16 c | ||
M1N2 | 53.99±7.31 a | 128.78±11.40 a | 32.60±5.64 a | 1.02±0.14 a | 3.22±0.28 a | 0.81±0.14 a | ||
M1N3 | 48.98±1.73 a | 127.68±10.30 a | 23.13±6.12 ab | 0.92±0.03 a | 3.19±0.26 a | 0.58±0.15 b | ||
均值 Average | 48.40±4.32 | 99.25±60.00 | 21.52±3.59 | 0.91±0.08 | 2.48±0.15 | 0.54±0.09 | ||
F值 F value | M | 0.09 | 3.66 | 0.58 | 0.09 | 3.66 | 0.58 | |
N | 19.44** | 90.38** | 8.55** | 19.44** | 90.38** | 8.55** | ||
M×N | 1.10 | 3.79* | 3.41 | 1.10 | 3.79* | 3.41 |
处理 Treatment | 茎鞘Stem-sheath | 叶Leaf | 穗Panicle | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
拔节期 Jointing | 齐穗期 Full heading | 成熟期 Maturity | 拔节期 Jointing | 齐穗期 Full heading | 成熟期 Maturity | 齐穗期 Full heading | 成熟期 Maturity | ||||
麦-稻轮作 Wheat-rice rotation system | |||||||||||
M0N0 | 11.53±0.98 c | 23.10±0.98 d | 12.95±0.49 d | 20.38±2.50 c | 35.10±3.21 c | 10.65±1.95 d | 16.51±0.28 c | 67.86±6.21 d | |||
M0N1 | 20.06±1.46 a | 38.32±2.72 c | 22.41±3.50 c | 44.88±3.68 a | 50.92±2.89 b | 16.74±1.71 c | 20.92±2.20 b | 87.87±3.01 c | |||
M0N2 | 15.00±1.46 b | 44.94±0.36 b | 26.49±1.56 b | 30.67±1.36 b | 71.03±11.8 a | 21.48±3.71 b | 28.25±3.70 a | 116.03±1.24 b | |||
M0N3 | 13.79±2.62 b | 53.82±5.63 a | 32.14±1.71 a | 28.79±2.05 b | 78.88±1.66 a | 27.65±1.85 a | 28.34±1.52 a | 123.93±7.51 a | |||
均值 Average | 15.10±1.00 | 40.05±2.00 | 23.50±1.14 | 31.18±0.23 | 58.98±1.37 | 19.13±1.42 | 23.51±0.70 | 98.92±3.86 | |||
M1N0 | 7.15±1.20 c | 21.87±2.30 d | 11.61±0.32 c | 14.79±1.44 c | 34.41±4.23 c | 9.53±0.91 c | 14.37±0.60 d | 64.77±4.38 d | |||
M1N1 | 16.00±1.01 a | 41.49±1.78 c | 25.93±2.37 b | 33.26±2.39 a | 63.16±3.49 b | 19.27±2.45 b | 20.66±0.93 c | 98.09±5.39 c | |||
M1N2 | 14.48±2.77 a | 58.14±3.31 a | 33.14±0.80 a | 25.93±4.08 b | 77.10±12.29 a | 28.16±2.47 a | 35.62±1.98 a | 136.49±8.98 a | |||
M1N3 | 9.66±1.04 b | 51.39±1.69 b | 27.37±1.12 b | 21.93±2.18 b | 75.20±4.85 a | 25.93±1.09 a | 29.29±1.99 b | 125.73±3.67 b | |||
均值 Average | 11.82±0.68 | 43.22±0.65 | 24.51±0.70 | 23.98±0.63 | 62.47±5.04 | 20.72±0.50 | 24.99±0.78 | 106.27±3.52 | |||
F值 F value | M | 11.56 | 11.73 | 1.38 | 47.69* | 1.69 | 2.44 | 3.14 | 2.98 | ||
N | 29.12** | 157.55** | 133.76** | 64.46** | 52.94** | 71.56** | 79.21** | 247.33** | |||
M×N | 1.74 | 10.14** | 12.60** | 1.92 | 1.78 | 4.71* | 5.97** | 8.03** | |||
油菜-稻轮作 Rape-rice rotation system | |||||||||||
M0N0 | 12.55±4.05 b | 27.83±2.59 c | 16.04±2.70 c | 19.76±3.97 c | 39.15±3.20 c | 12.50±0.56 c | 19.00±2.23 c | 73.12±8.54 c | |||
M0N1 | 18.89±1.34 a | 38.20±4.09 b | 24.89±0.68 b | 41.33±1.78 a | 57.74±4.69 b | 17.56±2.23 b | 21.99±1.52 b | 95.19±5.00 b | |||
M0N2 | 18.64±3.14 a | 61.38±1.44 a | 33.67±3.77 a | 35.91±6.48 a | 73.67±9.29 a | 26.07±2.68 a | 30.13±2.02 a | 127.20±16.74 a | |||
M0N3 | 15.30±0.57 ab | 63.25±3.52 a | 34.99±2.42 a | 27.95±2.24 b | 82.02±8.01 a | 28.45±2.82 a | 30.40±1.10 a | 134.04±11.28 a | |||
均值 Average | 16.34±2.19 | 47.66±2.26 | 27.40±0.69 | 31.24±1.68 | 63.15±2.71 | 21.14±0.46 | 25.38±0.11 | 107.39±3.91 | |||
M1N0 | 12.61±5.01 b | 26.66±3.89 c | 16.36±0.47 c | 23.30±4.80 b | 44.91±3.68 c | 13.88±2.66 c | 19.10±2.79 c | 72.55±6.67 c | |||
M1N1 | 18.19±2.91 a | 49.65±4.93 b | 28.37±0.79 b | 36.55±6.47 a | 67.69±4.32 b | 23.94±3.00 b | 23.18±2.21 b | 106.45±12.25 b | |||
M1N2 | 18.79±2.34 a | 64.76±0.84 a | 40.43±2.46 a | 35.19±5.08 a | 83.78±3.89 a | 29.39±3.21a | 34.23±2.63 a | 145.54±4.45 a | |||
M1N3 | 16.28±0.93 a | 63.33±5.59 a | 37.20±1.89 a | 32.70±0.91 a | 81.59±7.14 a | 28.59±3.98a | 31.74±1.53 a | 134.00±7.85 a | |||
均值 Average | 16.47±1.17 | 51.10±2.10 | 30.59±0.64 | 31.94±3.21 | 69.49±3.99 | 23.95±1.79 | 27.06±1.01 | 114.63±1.93 | |||
F值 F value | M | 0.01 | 17.42* | 17.48* | 0.18 | 21.80* | 9.59 | 8.24 | 11.24 | ||
N | 6.88** | 148.62** | 98.32** | 19.73** | 63.66** | 37.61** | 49.09** | 54.67** | |||
M×N | 0.10 | 3.99* | 1.90 | 1.62 | 1.17 | 1.36 | 0.73 | 1.27 |
Table 4 Effects of straw returning and nitrogen fertilizer management under wheat/rape-rice rotation on nitrogen accumulation in various organs during main growth period of hybrid rice. kg/hm2
处理 Treatment | 茎鞘Stem-sheath | 叶Leaf | 穗Panicle | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
拔节期 Jointing | 齐穗期 Full heading | 成熟期 Maturity | 拔节期 Jointing | 齐穗期 Full heading | 成熟期 Maturity | 齐穗期 Full heading | 成熟期 Maturity | ||||
麦-稻轮作 Wheat-rice rotation system | |||||||||||
M0N0 | 11.53±0.98 c | 23.10±0.98 d | 12.95±0.49 d | 20.38±2.50 c | 35.10±3.21 c | 10.65±1.95 d | 16.51±0.28 c | 67.86±6.21 d | |||
M0N1 | 20.06±1.46 a | 38.32±2.72 c | 22.41±3.50 c | 44.88±3.68 a | 50.92±2.89 b | 16.74±1.71 c | 20.92±2.20 b | 87.87±3.01 c | |||
M0N2 | 15.00±1.46 b | 44.94±0.36 b | 26.49±1.56 b | 30.67±1.36 b | 71.03±11.8 a | 21.48±3.71 b | 28.25±3.70 a | 116.03±1.24 b | |||
M0N3 | 13.79±2.62 b | 53.82±5.63 a | 32.14±1.71 a | 28.79±2.05 b | 78.88±1.66 a | 27.65±1.85 a | 28.34±1.52 a | 123.93±7.51 a | |||
均值 Average | 15.10±1.00 | 40.05±2.00 | 23.50±1.14 | 31.18±0.23 | 58.98±1.37 | 19.13±1.42 | 23.51±0.70 | 98.92±3.86 | |||
M1N0 | 7.15±1.20 c | 21.87±2.30 d | 11.61±0.32 c | 14.79±1.44 c | 34.41±4.23 c | 9.53±0.91 c | 14.37±0.60 d | 64.77±4.38 d | |||
M1N1 | 16.00±1.01 a | 41.49±1.78 c | 25.93±2.37 b | 33.26±2.39 a | 63.16±3.49 b | 19.27±2.45 b | 20.66±0.93 c | 98.09±5.39 c | |||
M1N2 | 14.48±2.77 a | 58.14±3.31 a | 33.14±0.80 a | 25.93±4.08 b | 77.10±12.29 a | 28.16±2.47 a | 35.62±1.98 a | 136.49±8.98 a | |||
M1N3 | 9.66±1.04 b | 51.39±1.69 b | 27.37±1.12 b | 21.93±2.18 b | 75.20±4.85 a | 25.93±1.09 a | 29.29±1.99 b | 125.73±3.67 b | |||
均值 Average | 11.82±0.68 | 43.22±0.65 | 24.51±0.70 | 23.98±0.63 | 62.47±5.04 | 20.72±0.50 | 24.99±0.78 | 106.27±3.52 | |||
F值 F value | M | 11.56 | 11.73 | 1.38 | 47.69* | 1.69 | 2.44 | 3.14 | 2.98 | ||
N | 29.12** | 157.55** | 133.76** | 64.46** | 52.94** | 71.56** | 79.21** | 247.33** | |||
M×N | 1.74 | 10.14** | 12.60** | 1.92 | 1.78 | 4.71* | 5.97** | 8.03** | |||
油菜-稻轮作 Rape-rice rotation system | |||||||||||
M0N0 | 12.55±4.05 b | 27.83±2.59 c | 16.04±2.70 c | 19.76±3.97 c | 39.15±3.20 c | 12.50±0.56 c | 19.00±2.23 c | 73.12±8.54 c | |||
M0N1 | 18.89±1.34 a | 38.20±4.09 b | 24.89±0.68 b | 41.33±1.78 a | 57.74±4.69 b | 17.56±2.23 b | 21.99±1.52 b | 95.19±5.00 b | |||
M0N2 | 18.64±3.14 a | 61.38±1.44 a | 33.67±3.77 a | 35.91±6.48 a | 73.67±9.29 a | 26.07±2.68 a | 30.13±2.02 a | 127.20±16.74 a | |||
M0N3 | 15.30±0.57 ab | 63.25±3.52 a | 34.99±2.42 a | 27.95±2.24 b | 82.02±8.01 a | 28.45±2.82 a | 30.40±1.10 a | 134.04±11.28 a | |||
均值 Average | 16.34±2.19 | 47.66±2.26 | 27.40±0.69 | 31.24±1.68 | 63.15±2.71 | 21.14±0.46 | 25.38±0.11 | 107.39±3.91 | |||
M1N0 | 12.61±5.01 b | 26.66±3.89 c | 16.36±0.47 c | 23.30±4.80 b | 44.91±3.68 c | 13.88±2.66 c | 19.10±2.79 c | 72.55±6.67 c | |||
M1N1 | 18.19±2.91 a | 49.65±4.93 b | 28.37±0.79 b | 36.55±6.47 a | 67.69±4.32 b | 23.94±3.00 b | 23.18±2.21 b | 106.45±12.25 b | |||
M1N2 | 18.79±2.34 a | 64.76±0.84 a | 40.43±2.46 a | 35.19±5.08 a | 83.78±3.89 a | 29.39±3.21a | 34.23±2.63 a | 145.54±4.45 a | |||
M1N3 | 16.28±0.93 a | 63.33±5.59 a | 37.20±1.89 a | 32.70±0.91 a | 81.59±7.14 a | 28.59±3.98a | 31.74±1.53 a | 134.00±7.85 a | |||
均值 Average | 16.47±1.17 | 51.10±2.10 | 30.59±0.64 | 31.94±3.21 | 69.49±3.99 | 23.95±1.79 | 27.06±1.01 | 114.63±1.93 | |||
F值 F value | M | 0.01 | 17.42* | 17.48* | 0.18 | 21.80* | 9.59 | 8.24 | 11.24 | ||
N | 6.88** | 148.62** | 98.32** | 19.73** | 63.66** | 37.61** | 49.09** | 54.67** | |||
M×N | 0.10 | 3.99* | 1.90 | 1.62 | 1.17 | 1.36 | 0.73 | 1.27 |
处理 Treatment | 茎鞘Stem-sheath | 叶Leaf | 穗部氮增加量 Panicle N increment /(kg·hm-2) | ||||||
---|---|---|---|---|---|---|---|---|---|
氮素转运量 Transfer amount of N/(kg·hm-2) | 氮素运转率 Transfer rate of N/% | 贡献率 Contribution rate/% | 氮素转运量 Transfer amount of N/(kg·hm-2) | 氮素运转率 Transfer rate of N/% | 贡献率 Contribution rate/% | ||||
麦-稻轮作 Wheat-rice rotation system | |||||||||
M0N0 | 10.15±1.41 c | 43.84±1.82 a | 15.10±1.99 b | 24.45±1.25 c | 69.83±0.80 a | 36.12±1.77 c | 51.35±0.78 d | ||
M0N1 | 15.91±2.28 b | 41.64±3.08 a | 18.08±1.23 a | 34.18±1.42 b | 67.31±2.31 b | 38.96±1.67 b | 66.95±1.97 c | ||
M0N2 | 18.45±1.54 ab | 41.05±2.44 a | 15.90±1.31 ab | 49.55±1.47 a | 69.08±1.90 ab | 42.72±2.36 a | 87.78±3.04 b | ||
M0N3 | 21.68±2.23 a | 40.05±3.39 a | 17.44±2.55 a | 51.24±0.84 a | 64.97±1.71 c | 41.47±1.15 a | 95.59±5.03 a | ||
均值 Average | 16.55±0.67 | 41.65±1.31 | 16.63±0.75 | 39.85±0.40 | 67.80±1.39 | 39.82±0.92 | 75.42±0.99 | ||
M1N0 | 10.25±2.35 c | 46.45±1.11 a | 15.82±1.36 b | 24.88±1.91 c | 72.12±2.34 a | 38.39±1.85 b | 50.41±0.64 c | ||
M1N1 | 15.57±1.75 b | 37.37±1.70 b | 16.01±1.13 b | 43.89±2.02 b | 69.30±1.45 a | 44.61±1.77 a | 77.43±2.65 b | ||
M1N2 | 25.00±1.70 a | 42.93±2.36 a | 18.46±1.48 ab | 48.41±2.47 a | 62.18±2.68 c | 35.29±2.66 c | 100.87±1.74 a | ||
M1N3 | 24.02±2.11 a | 46.70±2.98 a | 19.15±2.20 a | 49.28±1.52 a | 65.49±1.02 b | 39.24±1.52 b | 96.44±2.18 a | ||
均值 Average | 18.71±0.34 | 43.36±1.18 | 17.36±0.56 | 41.61±0.90 | 67.27±1.15 | 39.38±1.22 | 81.29±1.09 | ||
F值 F value | M | 128.48** | 88.54* | 8.27 | 7.41 | 0.16 | 2.27 | 24.07* | |
N | 43.68** | 5.61* | 2.40 | 269.54** | 16.85** | 6.93** | 358.01** | ||
M×N | 3.18 | 5.03* | 1.79 | 14.00** | 11.04** | 14.92** | 9.54** | ||
油菜-稻轮作 Rape-rice rotation system | |||||||||
M0N0 | 11.79±1.87 b | 42.10±1.40 b | 16.64±2.08 b | 26.66±0.92 d | 67.99±2.17 ab | 36.59±1.50 c | 54.11±2.49 d | ||
M0N1 | 13.31±2.08 b | 34.29±3.48 c | 14.17±2.34 b | 40.17±0.77 c | 69.57±0.92 a | 42.20±3.23 a | 73.20±2.47 c | ||
M0N2 | 27.71±0.79 a | 45.17±0.61 a | 22.21±2.15 a | 47.60±3.09 b | 64.17±2.38 c | 38.44±2.77 bc | 96.80±3.48 b | ||
M0N3 | 28.26±1.22 a | 44.70±0.98 a | 21.13±0.89 a | 53.57±0.93 a | 65.23±2.00 bc | 39.95±1.69 ab | 103.91±5.48 a | ||
均值 Average | 20.27±1.26 | 41.57±0.77 | 18.54±0.38 | 42.00±1.05 | 66.74±0.64 | 39.29±0.42 | 53.45±3.10 | ||
M1N0 | 10.31±2.08 c | 38.01±0.50 b | 14.22±4.76 b | 31.03±2.71 c | 69.19±2.48 a | 42.75±1.71 a | 53.45±3.10 d | ||
M1N1 | 20.95±0.37 b | 42.55±1.81 a | 20.24±1.66 a | 43.75±3.20 b | 64.37±2.61 b | 41.97±1.38 a | 83.27±1.66 c | ||
M1N2 | 26.13±1.51 a | 37.55±0.41 b | 16.73±2.11 ab | 54.39±4.11 a | 64.90±1.95 b | 37.42±1.06 b | 111.31±2.09 a | ||
M1N3 | 24.33±2.47 a | 40.80±1.74 a | 19.15±1.18 a | 53.00±1.18 a | 65.03±2.59 b | 39.54±0.90 ab | 102.26±1.66 b | ||
均值 Average | 20.43±0.36 | 39.73±0.48 | 17.58±1.46 | 45.54±1.43 | 65.87±1.14 | 40.42±0.52 | 87.57±1.00 | ||
F值 F value | M | 0.08 | 6.44 | 1.90 | 30.55* | 0.71 | 7.55 | 376.42** | |
N | 132.37** | 6.52** | 4.48* | 125.85** | 3.83* | 3.72* | 312.91** | ||
M×N | 14.37** | 23.07** | 5.87* | 2.40 | 2.45 | 3.63* | 8.76** |
Table 5 Effects of straw returning and nitrogen fertilizer management under wheat/rape-rice rotation on nitrogen transport from stem sheath (leaf) during full heading-mature stage of hybrid rice.
处理 Treatment | 茎鞘Stem-sheath | 叶Leaf | 穗部氮增加量 Panicle N increment /(kg·hm-2) | ||||||
---|---|---|---|---|---|---|---|---|---|
氮素转运量 Transfer amount of N/(kg·hm-2) | 氮素运转率 Transfer rate of N/% | 贡献率 Contribution rate/% | 氮素转运量 Transfer amount of N/(kg·hm-2) | 氮素运转率 Transfer rate of N/% | 贡献率 Contribution rate/% | ||||
麦-稻轮作 Wheat-rice rotation system | |||||||||
M0N0 | 10.15±1.41 c | 43.84±1.82 a | 15.10±1.99 b | 24.45±1.25 c | 69.83±0.80 a | 36.12±1.77 c | 51.35±0.78 d | ||
M0N1 | 15.91±2.28 b | 41.64±3.08 a | 18.08±1.23 a | 34.18±1.42 b | 67.31±2.31 b | 38.96±1.67 b | 66.95±1.97 c | ||
M0N2 | 18.45±1.54 ab | 41.05±2.44 a | 15.90±1.31 ab | 49.55±1.47 a | 69.08±1.90 ab | 42.72±2.36 a | 87.78±3.04 b | ||
M0N3 | 21.68±2.23 a | 40.05±3.39 a | 17.44±2.55 a | 51.24±0.84 a | 64.97±1.71 c | 41.47±1.15 a | 95.59±5.03 a | ||
均值 Average | 16.55±0.67 | 41.65±1.31 | 16.63±0.75 | 39.85±0.40 | 67.80±1.39 | 39.82±0.92 | 75.42±0.99 | ||
M1N0 | 10.25±2.35 c | 46.45±1.11 a | 15.82±1.36 b | 24.88±1.91 c | 72.12±2.34 a | 38.39±1.85 b | 50.41±0.64 c | ||
M1N1 | 15.57±1.75 b | 37.37±1.70 b | 16.01±1.13 b | 43.89±2.02 b | 69.30±1.45 a | 44.61±1.77 a | 77.43±2.65 b | ||
M1N2 | 25.00±1.70 a | 42.93±2.36 a | 18.46±1.48 ab | 48.41±2.47 a | 62.18±2.68 c | 35.29±2.66 c | 100.87±1.74 a | ||
M1N3 | 24.02±2.11 a | 46.70±2.98 a | 19.15±2.20 a | 49.28±1.52 a | 65.49±1.02 b | 39.24±1.52 b | 96.44±2.18 a | ||
均值 Average | 18.71±0.34 | 43.36±1.18 | 17.36±0.56 | 41.61±0.90 | 67.27±1.15 | 39.38±1.22 | 81.29±1.09 | ||
F值 F value | M | 128.48** | 88.54* | 8.27 | 7.41 | 0.16 | 2.27 | 24.07* | |
N | 43.68** | 5.61* | 2.40 | 269.54** | 16.85** | 6.93** | 358.01** | ||
M×N | 3.18 | 5.03* | 1.79 | 14.00** | 11.04** | 14.92** | 9.54** | ||
油菜-稻轮作 Rape-rice rotation system | |||||||||
M0N0 | 11.79±1.87 b | 42.10±1.40 b | 16.64±2.08 b | 26.66±0.92 d | 67.99±2.17 ab | 36.59±1.50 c | 54.11±2.49 d | ||
M0N1 | 13.31±2.08 b | 34.29±3.48 c | 14.17±2.34 b | 40.17±0.77 c | 69.57±0.92 a | 42.20±3.23 a | 73.20±2.47 c | ||
M0N2 | 27.71±0.79 a | 45.17±0.61 a | 22.21±2.15 a | 47.60±3.09 b | 64.17±2.38 c | 38.44±2.77 bc | 96.80±3.48 b | ||
M0N3 | 28.26±1.22 a | 44.70±0.98 a | 21.13±0.89 a | 53.57±0.93 a | 65.23±2.00 bc | 39.95±1.69 ab | 103.91±5.48 a | ||
均值 Average | 20.27±1.26 | 41.57±0.77 | 18.54±0.38 | 42.00±1.05 | 66.74±0.64 | 39.29±0.42 | 53.45±3.10 | ||
M1N0 | 10.31±2.08 c | 38.01±0.50 b | 14.22±4.76 b | 31.03±2.71 c | 69.19±2.48 a | 42.75±1.71 a | 53.45±3.10 d | ||
M1N1 | 20.95±0.37 b | 42.55±1.81 a | 20.24±1.66 a | 43.75±3.20 b | 64.37±2.61 b | 41.97±1.38 a | 83.27±1.66 c | ||
M1N2 | 26.13±1.51 a | 37.55±0.41 b | 16.73±2.11 ab | 54.39±4.11 a | 64.90±1.95 b | 37.42±1.06 b | 111.31±2.09 a | ||
M1N3 | 24.33±2.47 a | 40.80±1.74 a | 19.15±1.18 a | 53.00±1.18 a | 65.03±2.59 b | 39.54±0.90 ab | 102.26±1.66 b | ||
均值 Average | 20.43±0.36 | 39.73±0.48 | 17.58±1.46 | 45.54±1.43 | 65.87±1.14 | 40.42±0.52 | 87.57±1.00 | ||
F值 F value | M | 0.08 | 6.44 | 1.90 | 30.55* | 0.71 | 7.55 | 376.42** | |
N | 132.37** | 6.52** | 4.48* | 125.85** | 3.83* | 3.72* | 312.91** | ||
M×N | 14.37** | 23.07** | 5.87* | 2.40 | 2.45 | 3.63* | 8.76** |
处理 Treatment | 氮素干物质生产效率 NBPE/(kg·kg-1) | 氮素稻谷生产效率 NGPE/(kg·kg-1) | 氮肥农学利用率 NAE/(kg·kg-1) | 氮肥偏生产率 NPP/(kg·kg-1) | 氮肥表观利用率 NAUE/% | |
---|---|---|---|---|---|---|
麦-稻轮作 Wheat-rice rotation system | ||||||
M0N0 | 154.9±10.83 a | 115.58±12.77 a | ||||
M0N1 | 126.76±1.24 b | 105.99±3.48 b | 10.12±1.28 b | 62.06±1.50 b | 23.71±3.69 c | |
M0N2 | 108.62±0.36 c | 83.09±2.20 c | 12.34±0.85 ab | 64.27±1.71 ab | 48.36±4.41 b | |
M0N3 | 99.49±0.47 d | 79.06±7.47c | 13.14±1.22 a | 65.07±2.24 a | 61.51±1.11 a | |
均值 Average | 122.44±2.69 | 95.93±6.3 | 11.87±0.26 | 63.80±1.47 | 44.53±2.19 | |
M1N0 | 156.93±4.34 a | 114.39±4.57 a | ||||
M1N1 | 114.09±3.65 b | 97.01±7.88 b | 13.86±0.29 b | 63.26±2.05 b | 38.25±2.89 c | |
M1N2 | 98.05±2.48 c | 74.16±6.24 c | 17.87±5.10 a | 67.27±3.15 a | 74.93±7.42 a | |
M1N3 | 103.05±0.55 c | 78.43±2.82 c | 16.31±2.95 ab | 65.70±1.71 ab | 62.07±3.77 b | |
均值 Average | 118.03±0.88 | 91.00±3.45 | 16.02±2.54 | 65.41±0.71 | 58.42±2.20 | |
F值 F value | M | 5.12 | 0.78 | 116.07** | 3.82 | 99.43** |
N | 183.22** | 72.64** | 5.54* | 6.03* | 1115.90** | |
M×N | 5.04* | 1.22 | 0.73 | 0.79 | 150.09** | |
油菜-稻轮作 Rape-rice rotation system | ||||||
M0N0 | 150.63±1.36 a | 113.64±9.79 a | ||||
M0N1 | 119.73±5.64 b | 98.07±1.11 b | 7.19±0.69 b | 62.21±2.60 b | 23.99±6.68 c | |
M0N2 | 98.70±14.82 c | 81.58±13.54 c | 13.16±2.36 a | 68.18±3.08 a | 56.86±13.97 b | |
M0N3 | 95.09±6.39 c | 78.01±6.15 c | 14.38±2.33 a | 69.40±0.73 a | 63.89±14.44 a | |
均值 Average | 116.04±1.07 | 92.82±2.51 | 11.58±1.08 | 66.60±1.71 | 48.25±7.71 | |
M1N0 | 144.97±1.35 a | 110.49±4.65 a | ||||
M1N1 | 106.41±13.50 b | 90.68±8.48 b | 10.49±1.21 b | 63.92±3.07 b | 37.32±10.78 c | |
M1N2 | 94.56±4.78 b | 73.52±3.26 c | 17.85±3.56 a | 71.28±1.84 a | 75.05±3.73 a | |
M1N3 | 98.87±2.31 b | 78.16±1.13 c | 16.38±3.03 a | 69.82±1.12 a | 64.66±2.09 b | |
均值 Average | 111.20±1.50 | 88.21±1.33 | 14.91±1.84 | 68.34±0.56 | 59.01±2.04 | |
F值 F value | M | 27.45* | 6.84 | 8.60* | 70.22* | 43.82* |
N | 42.23** | 24.57** | 34.58** | 52.15** | 729.76** | |
M×N | 0.90 | 0.34 | 1.08 | 1.62 | 37.11** |
Table 6 Effects of straw returning and nitrogen fertilizer management under wheat/rape-rice rotation on nitrogen utilization rate of hybrid rice.
处理 Treatment | 氮素干物质生产效率 NBPE/(kg·kg-1) | 氮素稻谷生产效率 NGPE/(kg·kg-1) | 氮肥农学利用率 NAE/(kg·kg-1) | 氮肥偏生产率 NPP/(kg·kg-1) | 氮肥表观利用率 NAUE/% | |
---|---|---|---|---|---|---|
麦-稻轮作 Wheat-rice rotation system | ||||||
M0N0 | 154.9±10.83 a | 115.58±12.77 a | ||||
M0N1 | 126.76±1.24 b | 105.99±3.48 b | 10.12±1.28 b | 62.06±1.50 b | 23.71±3.69 c | |
M0N2 | 108.62±0.36 c | 83.09±2.20 c | 12.34±0.85 ab | 64.27±1.71 ab | 48.36±4.41 b | |
M0N3 | 99.49±0.47 d | 79.06±7.47c | 13.14±1.22 a | 65.07±2.24 a | 61.51±1.11 a | |
均值 Average | 122.44±2.69 | 95.93±6.3 | 11.87±0.26 | 63.80±1.47 | 44.53±2.19 | |
M1N0 | 156.93±4.34 a | 114.39±4.57 a | ||||
M1N1 | 114.09±3.65 b | 97.01±7.88 b | 13.86±0.29 b | 63.26±2.05 b | 38.25±2.89 c | |
M1N2 | 98.05±2.48 c | 74.16±6.24 c | 17.87±5.10 a | 67.27±3.15 a | 74.93±7.42 a | |
M1N3 | 103.05±0.55 c | 78.43±2.82 c | 16.31±2.95 ab | 65.70±1.71 ab | 62.07±3.77 b | |
均值 Average | 118.03±0.88 | 91.00±3.45 | 16.02±2.54 | 65.41±0.71 | 58.42±2.20 | |
F值 F value | M | 5.12 | 0.78 | 116.07** | 3.82 | 99.43** |
N | 183.22** | 72.64** | 5.54* | 6.03* | 1115.90** | |
M×N | 5.04* | 1.22 | 0.73 | 0.79 | 150.09** | |
油菜-稻轮作 Rape-rice rotation system | ||||||
M0N0 | 150.63±1.36 a | 113.64±9.79 a | ||||
M0N1 | 119.73±5.64 b | 98.07±1.11 b | 7.19±0.69 b | 62.21±2.60 b | 23.99±6.68 c | |
M0N2 | 98.70±14.82 c | 81.58±13.54 c | 13.16±2.36 a | 68.18±3.08 a | 56.86±13.97 b | |
M0N3 | 95.09±6.39 c | 78.01±6.15 c | 14.38±2.33 a | 69.40±0.73 a | 63.89±14.44 a | |
均值 Average | 116.04±1.07 | 92.82±2.51 | 11.58±1.08 | 66.60±1.71 | 48.25±7.71 | |
M1N0 | 144.97±1.35 a | 110.49±4.65 a | ||||
M1N1 | 106.41±13.50 b | 90.68±8.48 b | 10.49±1.21 b | 63.92±3.07 b | 37.32±10.78 c | |
M1N2 | 94.56±4.78 b | 73.52±3.26 c | 17.85±3.56 a | 71.28±1.84 a | 75.05±3.73 a | |
M1N3 | 98.87±2.31 b | 78.16±1.13 c | 16.38±3.03 a | 69.82±1.12 a | 64.66±2.09 b | |
均值 Average | 111.20±1.50 | 88.21±1.33 | 14.91±1.84 | 68.34±0.56 | 59.01±2.04 | |
F值 F value | M | 27.45* | 6.84 | 8.60* | 70.22* | 43.82* |
N | 42.23** | 24.57** | 34.58** | 52.15** | 729.76** | |
M×N | 0.90 | 0.34 | 1.08 | 1.62 | 37.11** |
处理 Treatment | 指标 Index | 生育期 Growth stage | 植株部位 Plant part | 产量 Yield | 氮素积累总量 Total N accumulation | 穗部增加量 N increase in panicle | 氮肥表观利用率 NAUE |
---|---|---|---|---|---|---|---|
麦茬田 Paddy field with wheat stubble returning | 氮素积累量 N accumulation | 播种-拔节SS-JS | 植株Whole plant | 0.48* | 0.22 | 0.18 | -0.78** |
拔节-齐穗JS-FHS | 植株Whole plant | 0.74** | 0.94** | 0.95** | 0.94** | ||
齐穗-成熟FHS-MS | 植株Whole plant | 0.46* | 0.59** | 0.58** | 0.45 | ||
氮素转运量 N translocation | 齐穗-成熟FHS-MS | 茎鞘Stem-sheath | 0.80** | 0.89** | 0.86** | 0.79** | |
齐穗-成熟FHS-MS | 叶片Leaf | 0.76** | 0.85** | 0.88** | 0.63** | ||
油茬田 Paddy field with rape stubble returning | 氮素积累量 N accumulation | 播种-拔节SS-JS | 植株Whole plant | 0.50* | 0.46* | 0.41 | -0.51* |
拔节-齐穗JS-FHS | 植株Whole plant | 0.86** | 0.91** | 0.90** | 0.85** | ||
齐穗-成熟FHS-MS | 植株Whole plant | 0.68** | 0.71** | 0.54* | 0.63** | ||
氮素转运量 N translocation | 齐穗-成熟FHS-MS | 茎鞘Stem-sheath | 0.80** | 0.85** | 0.75** | 0.74** | |
齐穗-成熟FHS-MS | 叶片Leaf | 0.89** | 0.92** | 0.78** | 0.73** |
Table 7 Correlation of nitrogen accumulation in main growth stages, transport, nitrogen accumulation and utilization and yield under wheat/oil rice-rotation hybrid rice under straw returning and nitrogen fertilizer management.
处理 Treatment | 指标 Index | 生育期 Growth stage | 植株部位 Plant part | 产量 Yield | 氮素积累总量 Total N accumulation | 穗部增加量 N increase in panicle | 氮肥表观利用率 NAUE |
---|---|---|---|---|---|---|---|
麦茬田 Paddy field with wheat stubble returning | 氮素积累量 N accumulation | 播种-拔节SS-JS | 植株Whole plant | 0.48* | 0.22 | 0.18 | -0.78** |
拔节-齐穗JS-FHS | 植株Whole plant | 0.74** | 0.94** | 0.95** | 0.94** | ||
齐穗-成熟FHS-MS | 植株Whole plant | 0.46* | 0.59** | 0.58** | 0.45 | ||
氮素转运量 N translocation | 齐穗-成熟FHS-MS | 茎鞘Stem-sheath | 0.80** | 0.89** | 0.86** | 0.79** | |
齐穗-成熟FHS-MS | 叶片Leaf | 0.76** | 0.85** | 0.88** | 0.63** | ||
油茬田 Paddy field with rape stubble returning | 氮素积累量 N accumulation | 播种-拔节SS-JS | 植株Whole plant | 0.50* | 0.46* | 0.41 | -0.51* |
拔节-齐穗JS-FHS | 植株Whole plant | 0.86** | 0.91** | 0.90** | 0.85** | ||
齐穗-成熟FHS-MS | 植株Whole plant | 0.68** | 0.71** | 0.54* | 0.63** | ||
氮素转运量 N translocation | 齐穗-成熟FHS-MS | 茎鞘Stem-sheath | 0.80** | 0.85** | 0.75** | 0.74** | |
齐穗-成熟FHS-MS | 叶片Leaf | 0.89** | 0.92** | 0.78** | 0.73** |
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