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Position: Home > Articles > Growth Characteristics and Yield of Late-Season Rice under No-tillage and Non-Flooded Cultivation with Straw Mulching Chinese Journal of Rice Science 2009,23 (5) 517-522

免耕覆草旱作条件下水稻的生长特性

作者：

Dong Wang;Huixin Li;Jingxiu Qin;Daming Li;Feng H

单位：

College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China; Nanjing Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China;College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, Chin

关键词：

rice;no-tillage;non-flooded cultivation;straw mulching;growth characteristics;yiel

摘要：

通过田间定位试验,研究了免耕覆草旱作、免耕裸地旱作和免耕水作3种栽培方式对晚稻生长状况和产量的影响。结果表明,免耕覆草旱作水稻产量与免耕水作差异不大,但两者明显高于免耕裸地旱作。与免耕裸地旱作相比,免耕覆草旱作明显提高水稻的有效穗数和每穴总粒数。免耕覆草旱作水稻可获得与免耕水作相当的地上部干物质量。与免耕水作相比,免耕旱作显著降低抽穗期水稻功能叶叶面积。与免耕裸地旱作相比,免耕覆草旱作明显提高灌浆期水稻总根长和根数。

译名：

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

作者：

WANG Dong1,LI Da-ming1,LI Hui-xin1,QIN Jiang-tao1,2,HU Feng1,(1College of Resources and Environmental Sciences,Nanjing Agricultural University,Nanjing 210095,China;2Institute of Soil Science,Chinese Academy of Sciences,Nanjing 210008,China;)

关键词：

rice;no-tillage;non-flooded cultivation;straw mulching;growth characteristics;yield

摘要：

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.

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免耕覆草旱作条件下水稻的生长特性

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