Chinese Journal OF Rice Science

Chinese Journal OF Rice Science >

2009 , Vol. 23 >Issue 5: 517 - 522

DOI: https://doi.org/10.3969/j.issn.10017216.2009.05.11

研究报告

Growth Characteristics and Yield of LateSeason Rice under Notillage and Non-Flooded Cultivation with Straw Mulching

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  • 1College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China; 2Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China; *Corresponding author, E-mail: fenghu@njau.edu.cn

Received date: 1900-01-01

  Revised date: 1900-01-01

  Online published: 2009-09-10

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Abstract

A longterm field experiment (started at 2003) was conducted to determine the effects of different rice cultivation methods on growth characteristics and yield of lateseason rice under doublerice cropping system in seasonal drought region of southeast China (Yujiang County, Jiangxi Province). The rice cultivation included notillage and nonflooded rice cultivation with straw mulching (NSM), notillage and nonflooded rice cultivation without straw mulching (NZM), and notillage and flooded rice cultivation (NF). The results obtained in 2007 showed that there was no significant difference in rice grain yield between NSM and NF treatments. However, the rice grain yields under NSM and NF treatments were significantly higher than that under NZM treatment, respectively. The effective panicle number and total grain number per hill of rice were significantly higher under NSM treatment than under NZM treatment. The aboveground dry matter of rice in NSM treatment was similar with that in NF treatment. Compared to NF treatment, NZM and NSM treatments significantly decreased the leaf area at the heading stage. Compared with NZM treatment, NSM treatment could significantly increase total length and number of roots at the grainfilling stage.

Key words： rice; notillage; nonflooded cultivation; straw mulching; growth characteristics; yield

Cite this article

WANG Dong,LI Da-ming,LI Hui-xin,QIN Jiang-tao,HU Feng . Growth Characteristics and Yield of LateSeason Rice under Notillage and Non-Flooded Cultivation with Straw Mulching
[J]. Chinese Journal OF Rice Science, 2009 , 23(5) : 517 -522 . DOI: 10.3969/j.issn.10017216.2009.05.11

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