Effects of different fertilization level and planting density on yield and main agronomic traits of soybean Zhongdou 44

doi:10.14088/j.cnki.issn0439-8114.2021.21.009

Abstract

Abstract: Soybean variety Zhongdou 44 was used as the material, adopt a two-factor randomized block experiment to study the effects of fertilizer amount and planting density on the yield and agronomic characteristics of Zhongdou 44. The results showed that the difference between treatments with different planting densities reached a high significant level, the difference between treatments with different fertilizer rates did not reach a significant level, and the interaction between fertilizer rates and planting densities did not have a significant impact on the yield of Zhongdou 44. At the planting density of 250,500 plants/hm² to 501,000 plants/hm², the yield of Zhongdou 44 increased with the increase of planting density, the number of main stem nodes and the grain weight per plant decreased to different degrees with the increase of planting density, and at the planting density of 667,500 plants/hm² the yield was the lowest. In Jingmen, when Zhongdou 44 was planted with 450 kg/hm² compound fertilizer as base fertilizer, and the highest yield was obtained with planting density of 501,000 plants/hm².

Key words: soybean Zhongdou 44, fertilizer level, planting density, agronomic traits, yield

CLC Number:

S565.1

YANG Fang, WANG Ai-ai, HE Nian, ZHOU Yi, LIU Xin, CHEN Yong, DENG Jun-bo. Effects of different fertilization level and planting density on yield and main agronomic traits of soybean Zhongdou 44[J]. HUBEI AGRICULTURAL SCIENCES, 2021, 60(21): 39-42.

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