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Effect of Balanced Fertilization on Yield of Soybean and Nutrients Balance of Soil-crop System(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2009年04期
Page:
678-682
Research Field:
Publishing date:

Info

Title:
Effect of Balanced Fertilization on Yield of Soybean and Nutrients Balance of Soil-crop System
Author(s):
JI Jing-hong1; LI Yu-ying1; LIU Shuang-quan1; LIU Ying1; ZHANG Ming-yi1; HAN Guang1; SHI Jun-qin2; XU Jun-sheng3
1. Institute of Soil Fertilizer and Environment Resources，Heilongjiang Academy of Agricultural Sciences，Harbin，150086,Heilongjiang；
2.Institute of Agricultural Science and Technique of Hailun in Heilongjiang Province，Hailun 152300,Heilongjiang；
3.The Base of Keshan Agriculture Sideline Production of Shenyang Military Area Air Command，Keshan 161600，Heilongjiang，China
Keywords:
Balanced fertilization; Nutrient balance; Soybean; Yield
PACS:
S158.3;S147.3
DOI:
10.11861/j.issn.1000-9841.2009.04.0678
Abstract:
Abstract：According to Liebig principle of minimum nutrient rate，the optimal treatment and nutrient omission treatments were designed in order to make soil nutrient resources used rationally.Soybean yield，the nutrients absorption characteristic at different growing stages as well as the three elements of N，P and K input-output balance in soil-crop system were studied under the condition of balanced fertilization by the method of field trial in the main soybean producing areas of Heilongjiang Province.The results showed that balanced fertilization had a significant positive effect to soybean yield of Hailun，Baoqing，Keshan，and was conducive to nutrients absorption and utilization of soybean plants.From florescence to pod-setting and pod-filling to mature stage were the two critical periods of soybean nutrients absorption.The amount of N 52.5 kgha-1could not satisfy the demand for high-yielding soybean；P2O575 kgha-1 could be able to meet high yield of soybean.The amount of K2O 60 kgha-1was not enough to soybean for the central and western regions，but could satisfy for eastern regions of Heilongjiang Province.Fertilizer use efficiency of Hailun，Baoqing，Keshan were 37.8%，39.8% and 39.3% for nitrogen；16.8%，19.7% and 18.6% for phosphorus；43.5%，40.5% and 25.3% for potassium，respectively.The amount of nitrogen and potassium fertilizer should be improved and phosphorus fertilizer be reduced in the main soybean producing areas of Heilongjiang Province

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Last Update: 2014-09-22