Effects of One-time Fertilization Technology for Mechanized Transplanting Rice with Biodegradable Film Mulching on Growth, Yield and Nitrogen Use Efficiency of Rice
Received date: 2023-07-19
Online published: 2023-09-15
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.
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 . DOI: 10.3969/j.issn.1006-8082.2023.05.002
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