Effects of One-time Fertilization Technology for Mechanized Transplanting Rice with Biodegradable Film Mulching on Growth, Yield and Nitrogen Use Efficiency of Rice

doi:10.3969/j.issn.1006-8082.2023.05.002

China Rice ›› 2023, Vol. 29 ›› Issue (5): 9-12.DOI: 10.3969/j.issn.1006-8082.2023.05.002

• Special Thesis & Basic Research • Previous Articles Next Articles

Effects of One-time Fertilization Technology for Mechanized Transplanting Rice with Biodegradable Film Mulching on Growth, Yield and Nitrogen Use Efficiency of Rice

CHEN Yangyang(), HONG Jinzhi, ZHANG Zihan, JIN Jiawen, TANG Xinao, LI Ganghua()

Sanya Institute of Nanjing Agriculture University/Jiangsu Collaborative Innovation Center for Modern Crop Production/Key Laboratory of Crop Physiology Ecology and Production Management, Nanjing Agricultural University, Nanjing 210095, China

Received:2023-07-19 Online:2023-09-20 Published:2023-09-15
Contact: * lgh@njau.edu.cn
About author:1st author: 31319103@njau.edu.cn

覆膜机插缓混一次施肥对水稻生长、产量和氮素利用效率的影响

陈洋洋(), 洪金枝, 张子涵, 金佳雯, 唐心傲, 李刚华()

三亚南京农业大学研究院/江苏省现代作物生产协同创新中心/南京农业大学作物生理生态与生产管理重点实验室，南京 210095

通讯作者: * lgh@njau.edu.cn
作者简介:第一作者：31319103@njau.edu.cn
基金资助:
江苏省科技成果转化专项资金项目(BA2022017);江苏省重点研发计划（现代农业）(BE2021361)

Abstract

Abstract:

An experiment was conducted in 2022 to study the effects of one-time fertilization technology for mechanized transplanting rice with biodegradable film mulching on growth, yield and nitrogen use efficiency of rice (Ningxiangjing 9), in order to providing new ideas for green and high-yield rice cultivation methods. The results showed that the yield of the one-time basal application of controlled-release blend fertilizer (T1), one-time basal application with biodegradable film mulching of controlled-release blend fertilizer (T2), and twice application with biodegradable film mulching of urea (T3) were increased by 6.0%, 9.1% and 6.5% compared with conventional fertilization (CK), respectively, but only T2 treatment reached a significant level. Compared with CK, the dry matter accumulation of T2 treatment was significantly increased by 12.5%. The LAI of T2 treatment at tillering stage and elongating stage were significantly higher than that of CK by 62.0% and 26.7%, respectively. Compared with CK, the NPP and NAE of T2 treatment were significantly increased by 9.1% and 47.7%, the NUE was increased by 17.6%. It can be seen that one-time fertilization technology for mechanized transplanting rice with biodegradable film had a higher yield potential and nitrogen use efficiency.

Key words: rice, growth, yield, nitrogen use efficiency, biodegradable film, controlled-release blend fertilizer

摘要：

以宁香粳9号为试验材料，于2022年在南京农业大学白马教学科研基地开展试验，研究覆膜机插缓混一次施肥对水稻生长、产量及氮肥吸收利用的影响，为绿色高产的稻作方式提供新的思路。结果表明，缓混肥一次基施（T1）、覆膜缓混肥一次基施（T2）和覆膜尿素两次施用（T3）处理的产量较常规施肥（CK）分别提高6.0%、9.1%和6.5%，但只有T2处理达到显著水平；T2处理植株干物质积累量较CK显著提高12.5%，在分蘖期、拔节期的叶面积指数较CK分别显著提高62.0%、26.7%；T2处理氮肥偏生产力和氮素农学利用率较CK显著提高9.1%和47.7%，氮素利用率较CK提高17.6%。可见，覆膜机插缓混一次施肥具有更高的水稻增产潜力和氮素利用效率。

关键词: 水稻, 生长, 氮素吸收利用率, 产量, 生物可降解膜, 缓混肥

CLC Number:

S511.062

CHEN Yangyang, HONG Jinzhi, ZHANG Zihan, JIN Jiawen, TANG Xinao, LI Ganghua. Effects of One-time Fertilization Technology for Mechanized Transplanting Rice with Biodegradable Film Mulching on Growth, Yield and Nitrogen Use Efficiency of Rice[J]. China Rice, 2023, 29(5): 9-12.

陈洋洋, 洪金枝, 张子涵, 金佳雯, 唐心傲, 李刚华. 覆膜机插缓混一次施肥对水稻生长、产量和氮素利用效率的影响[J]. 中国稻米, 2023, 29(5): 9-12.

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Effects of One-time Fertilization Technology for Mechanized Transplanting Rice with Biodegradable Film Mulching on Growth, Yield and Nitrogen Use Efficiency of Rice

覆膜机插缓混一次施肥对水稻生长、产量和氮素利用效率的影响

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