Quality of mechanical transplanting, rice growth and grain yield was determined under notillage and mechanical transplanting in a field experiment with Zhongzheyou 1, Yongyou 9 and Yangliangyou 6 as material. The results showed that soil bulk density decreased from 1.0-1.1 g/cm3to 0.8-0.9 g/cm3 after 15 days soaking in 0-25 cm soil layer. The seedling planting depth significantly decreased by 40% under notillage, but the lodging and floating seedling rate increased. The total root biomass decreased under notillage, but the upper root percentage significantly increased compared with conventional tillage. For Zhongzheyou 1 and Yongyou 9, the percentages were 7718% and 77.08%, respectively. Grain yield under notillage declined compared with conventional tillage, which was attributed to higher panicle number per square meter, lower grain number per panicle, seed setting rate and 1000grain weight.
CHEN Huizhe, XIANG Jing, XU Yicheng, LIN Xianqing, ZHANG Yuping, ZHU Defeng*
. Effect of NoTillage on the Quality of Mechanical Transplanting, Growth and Grain Yield of Rice[J]. Chinese Journal OF Rice Science, 2013
, 27(6)
: 610
-616
.
DOI: 10.3969/j.issn.1001-7216.2013.06.007
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