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Effect of Density and Fertilizer Amount on Yield of Different Branching Types of Soybeans(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2012年03期
Page:
381-384
Research Field:
Publishing date:

Info

Title:
Effect of Density and Fertilizer Amount on Yield of Different Branching Types of Soybeans
Author(s):
YANG Ji-xue; HUANG Shan-shan; YANG Ming-liang; WANG Ji-an
Soybean Research Institute,Northeast Agricultural University,Key Laboratory of Soybean Biology in Chinese Education Ministry,Harbin 150030,Heilongjiang,China
Keywords:
Soybean yield; Density; Fertilizer amount; LAI; High yield potential
PACS:
S565.1
DOI:
10.3969/j.issn.1000-9841.2012.03.009
Abstract:
The effect of planting density and fertilizer level on different branching soybeans were studied by the means of a split plot experiment.Three soybean lines(few-branched Dong-8175,mid-branched Dong-03-2176,multi-branched Dong-0331),four planting densities(1.0,1.5,2.0 and 2.4×105 plant·ha-1)and four fertilizing amounts(300,500,700 and 900 kg·ha-1)were included in this study.The results showed that the maximum of leaf area index (LAI)of three lines appeared in the high density（2.4×105 plant·ha-1)and high fertilizer（900 kg·ha-1)combination in R4 stage four mid-branched Dong-03-2176,the highest yield was obtained at te planting density of 2.0×105 -3.0×105 plant·ha-1with fertilization of 700-900 kg·ha-1;for multi-branched Dong-0331,the highest yield was achieved at planting density of 2.0×105 plants·ha-1 and fertilization rate of 900 kg·ha-1.

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