|Table of Contents|

Effects of Controlled Release Fertilizer Application Mode on Soybean Yield Formation and Economic Benefits in Huanghuaihai Region(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2020年05期
Page:
775-780
Research Field:
Publishing date:

Info

Title:
Effects of Controlled Release Fertilizer Application Mode on Soybean Yield Formation and Economic Benefits in Huanghuaihai Region
Author(s):
WANG Chao-wei1;  DU Xiang-bei1;  WEI Zhi1;  YU Guo-yi2;  ZHANG Liang2;  HUANG Zhi-ping1;  WANG Wei-hu1;  KONG Ling-cong1
（1.Crop Research Institute, Anhui Academy of Agricultural Sciences, Hefei 230031, China; 2.Anhui Wanken Seed Industry Co., Ltd. Hefei 230031, China）
Keywords:
Soybean;  Huanghuaihai region;  Controlled-release fertilizer;  Yield;  Benefit
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2020.05.0775
Abstract:
In order to solve the extensive fertilizer application and low fertilizer use efficiency problems of soybean production in Huanghuaihai region, field experiments were conducted in 2019 to determine how the combination of special controlled-release fertilizer and conventional fertilizer affect soybean yield, biomass accumulation and distribution, canopy light interception, SPAD of leaf and economic benefit. Two cultivars(Wandou 37 and Zhonghuang 13) were planted with six fertilizer treatments. The results showed that soybean yield increased at the combination treatments by 3.0%-8.8% compared with conventional fertilizer, and the yield were increased by 2.5%-5.6% compared with controlled release fertilizer, and the highest yield was obtained by the combination of 50% controlled release fertilizer and 50% conventional fertilizer. The improved yield by the combination of special controlled-release fertilizer and conventional fertilizer was due to enhanced biomass products and increased sink with greater seed number. SPAD and light energy interception rate of soybean leave treated with controlled release fertilizer and conventional fertilizer were at a high level in the whole growth period. NUEs under split N improved due to increased N uptake during the middle and late growth stages and a higher N partition ratio to the storage root. Compared with conventional fertilizer treatment, the income of the combination of controlled release fertilizer and conventional fertilizer treatments increased by 1 212.1-1 396.9 yuan?ha-1, with the economic benefit of the combination of 50% controlled release fertilizer and 50% conventional fertilizer increased significantly. The results showed that application of controlled release fertilizer were beneficial for enhancing soybean growth and promoting optimum yields, and was recommended as an alternative approach to simultaneously increase yield and economic benefit of soybean production in Huanghuaihai region.

References:

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Last Update: 2020-10-21