|Table of Contents|

Study on the Effect of Balanced Fertilization of Soybean in Different Agricultural Ecological Regions of Heilongjang Province(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2015年06期
Page:
1029-1038
Research Field:
Publishing date:

Info

Title:
Study on the Effect of Balanced Fertilization of Soybean in Different Agricultural Ecological Regions of Heilongjang Province
Author(s):
LI Yu-ying1;  LIU Shuang-quan1;  JI Jing-hong1;  TONG Yu-xin1;  ZHENG Yu2;  LIU Ying1
1. Institute of Soil Fertilizer and Environment Resources, Heilongjiang Academy of Agricultural Sciences, Harbin 150086, China;
2. College of Land and Environment Sciences of Shenyang Agricultural University，Shenyang 110866, China
Keywords:
Heilongjang Province;  Different agricultural ecological region;  Soybean;  Effect of balanced fertilization
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2015.06.1029
Abstract:
Based on the clear soil nutrient limiting factors and the information of farmers’ fertilization in the major soybean production areas of Heilongjiang province, and according to Liebig’s principle of minimum nutrient rate, the optimal treatment(OPT) and nutrient omission treatments were designed in the field experiments. The experimental results showed that the effect of balanced fertilization on economic benefits of soybean was significant.Without the application of nitrogen, phosphorus, potassium, sulfur, boron and zinc fertilizers, the soybean yield decreased by 14.9%, 14.7%, 18.2%, 6.7%, 8.2% and 6.5%, respectively, compared with OPT. For OPT, the fertilizer use efficiency of nitrogen, phosphorus and potassium were 39.6%, 24.6% and 41.8% on average, respectively, the agronomic fertilizer use efficiency of nitrogen, phosphorus and potassium were 8.86, 5.48 and 6.82 kg?kg-1?on average, respectively. For OPT, the apparent equilibrium coefficient of nitrogen, phosphorus and potassium were 0.26, 1.26 and 0.90 on average, respectively.Efficient nutrient management strategy of soybean in eastern of Heilongjiang province, Sanjiang plain agricultural ecological sections, focuses on supplement phosphorus and boron fertilizer, emphasis on potash in northern, cold agricultural ecological sections, applying sulphur, zinc fertilizer and boron fertilizer in the arid and semiarid agriculture.

References:

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Last Update: 2016-01-07