传统水作及覆膜旱作下包膜控释尿素对水稻产量及氮肥利用率的影响

›› 2012, Vol. 24 ›› Issue (3): 0-372.

• 论文 •

传统水作及覆膜旱作下包膜控释尿素对水稻产量及氮肥利用率的影响

杨静1,2,刘彦伶1,2,吴良欢1,2,*,陈宏坤3

1 教育部环境修复与生态健康教育部重点实验室,浙江大学环境与资源学院,浙江杭州310058；2 浙江省亚热带土壤与植物营养重点实验室,浙江大学环境与资源学院,浙江杭州 310058；3 国家缓控释肥工程技术研究中心,山东临沂 276700

收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2012-05-24 发布日期:2012-05-24

Effects of controlledrelease coated urea on grain yields and nitrogen use efficiencies of rice under traditional flooding cultivation and nonflooded plastic film mulching cultivation

YANG Jing;LIU Yan-ling;WU Liang-huan;*;CHEN Hong-kun

1Ministry of Education Key Laboratory of Environmental Remediation and Ecosystem Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310029， China; 2Key Laboratory of the Subtropics Soil and Plant Nutrition in Zhejiang Province, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310029， China; 3National Engineering and Technology Research Center for Slow/Controlled Release Fertilizers, Linyi 276700,China

Received:1900-01-01 Revised:1900-01-01 Online:2012-05-24 Published:2012-05-24

摘要/Abstract

摘要： 以单季常规晚粳稻‘秀水134’为供试水稻品种,在田间条件下,研究了传统水作及覆膜旱作下包膜控释尿素对水稻产量及氮肥利用率的影响。结果表明：(1)在覆膜旱作与传统水作条件下,与普通尿素PU 100%(N 180 kg·hm-2)处理相比,施用等氮量硫磺加树脂双包膜尿素SPCU 100%产量分别为7 781和7 775 kg·hm-2,显著提高5.7%和9.7%；氮肥利用率分别为57.2%和35.5%,显著提高110.3%和78.4%；氮肥农学效率也有显著性提高。(2)与传统水作相比,覆膜旱作条件下,除PU 100%处理外,其他各对应施肥处理产量差异不显著；氮肥利用率显著提高。

关键词: 水稻, 覆膜旱作, 包膜尿素, 产量, 氮肥利用率

Abstract: A field experiment was conducted to determine effects of controlledrelease coated urea on grain yields and nitrogen use efficiency of rice variety Xiushui 134 under traditional flooding cultivation and nonflooded plastic film mulching cultivation. The results showed that the rice grain yields of single basal application of sulfurpolyester resincoated urea (SPCU 100%)under the nonflooded mulching and traditional flooding cultivation were increased by 5.7 and 9.7% (P<0.05), respectively; whereas nitrogen use efficiencies of these two treatment were improved by 110.3% and 78.4% (P<0.05), respectively, compared to the normal urea PU100% (N 180 kg·hm-2). Agronomic nitrogen use efficiencies were also significantly increased. Grain yields of rice with same N fertilizer rates under nonflooded plastic mulching cultivation were not significantly higher than that under traditional flooding cultivation, except the PU 100% treatment, but the nitrogen use efficiency were significantly higher．

Key words: rice, nonflooded plastic film mulching cultivation, coated urea, grain yield, nitrogen use efficiency

杨静;刘彦伶;吴良欢;*;陈宏坤. 传统水作及覆膜旱作下包膜控释尿素对水稻产量及氮肥利用率的影响[J]. , 2012, 24(3): 0-372.

YANG Jing;LIU Yan-ling;WU Liang-huan;*;CHEN Hong-kun. Effects of controlledrelease coated urea on grain yields and nitrogen use efficiencies of rice under traditional flooding cultivation and nonflooded plastic film mulching cultivation[J]. , 2012, 24(3): 0-372.

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传统水作及覆膜旱作下包膜控释尿素对水稻产量及氮肥利用率的影响

Effects of controlledrelease coated urea on grain yields and nitrogen use efficiencies of rice under traditional flooding cultivation and nonflooded plastic film mulching cultivation

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