|Table of Contents|

Effects of Different Planting Densities on Agronomic Traits and Yield of Soybean in Sichuan(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2021年05期
Page:
653-661
Research Field:
Publishing date:

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Title:
Effects of Different Planting Densities on Agronomic Traits and Yield of Soybean in Sichuan
Author(s):
LIANG Jian-qiuAN Jian-gangWANG JiaZENG Zhao-qiongYANG Wen-yingWU Hai-yingZHANG Ming-rongYU Xiao-bo
(Nanchong Academy of Agricultural Sciences/Nanchong Comprehensive Experimental Station of National Soybean Industry Technology System,Nanchong 637000,China)
Keywords:
SoybeanPlanting densityAgronomic charactersLodging rateYield
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2021.05.0653
Abstract:
In order to determine the suitable planting density of different soybean varieties and provide theoretical basis for high-yield cultivation techniques in Sichuan,four soybean varieties including You 6019,Nanxiadou 35,Nanxiiadou 38 and Nannong 99-6 were used as experimental materials,three planting densities(200,250,312.5 thousand plants?ha-1 ) were set up to study its effects on the main agronomic traits,yield and yield components of soybean varieties.The results showed that with the increase of planting density,the plant height,bottom pod height,average internode length and lodging rate increased,the survival plant rate,effective branches,pods number,seeds and seed weight per plant decreased,while the number of main stem nodes and the 100-seed weight were not changed obviously.With the increase of planting density,the yield change trends of different varieties was different.The yield of You 6019,Nanxiadou 35,Nannong 99-6 increased firstly and then decreased and reached the highest yield 3 049,2 754 and 3 182 kg?ha-1 respectively under the planting density of 250 thousand plants?ha-1 .The yield of Nanxiiadou 38 decreased all the time and reached the highest yield 2 985 kg?ha-1 under the planting density of 200 thousand plants?ha-1.The results indicated that the suitable planting density in Sichuan of 〖JP3〗You 6019,Nanxiadou 35 and Nannong 99-6 were all 250 thousand plants?ha-1 ,and the suitable planting density of Nanxiiadou 38 was 200 thousand plants?ha-1 .

References:

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Last Update: 2021-09-27