Effects of Slow-release Fertilizer Application on the Growth Characteristics and Yield of Rice under Different Cultivation Methods
Received date: 2021-10-10
Online published: 2022-05-24
In order to explore the effects of slow-release fertilizers on rice growth and yield under different cultivation methods, the Zhanghe Irrigation District in Hubei Province was selected as the research area, and four treatments including “transplanting + conventional fertilizer” （F1N1）, “transplanting + slow-release fertilizer”（F1N2）, “direct seeding + conventional fertilizer” （F2N1）and “direct seeding + slow-release fertilizer”（F2N2） were set up, and the plot experiment was carried out with rice variety Zhuanliangyou Chaozhan as the experimental material. The results showed that F1N2 treatment had the best effect on rice plant height, reaching 127.6 cm at the yellow maturity stage, which was 15.6 cm higher than the F2N1 treatment, and the difference reached a very significant level. F1N2 treatment had a very significant effect on rice tiller promotion, up to 28.6 per clumps, while F2N2 only 11.7. The rice yield of F1N2 treatment was 7 536 kg/hm2, which was 13.3% higher than that of F2N2 treatment, and 21.2% and 28.2% higher than that of F1N1 and F2N1 treatments, respectively.
Key words： rice; transplanting; direct seeding; slow-release fertilizer; plant height; tiller number; yield
ZHOU Jieyu, HE Jun, LI Dubai, ZHAO Shujun, ZHONG Yun, YANG Peng, ZHANG Yuhang, ZHONG Shengjian, ZHAO Fan, MA Yu, REN Zhiwen . Effects of Slow-release Fertilizer Application on the Growth Characteristics and Yield of Rice under Different Cultivation Methods[J]. China Rice, 2022 , 28(3) : 92 -95 . DOI: 10.3969/j.issn.1006-8082.2022.03.018
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