|Table of Contents|

Study on the Effect of Reducing Fertilizer Input and Increasing Efficiency of Grain-Soybean Rotation Technology：Based on the Rotation Location Experiment and the Analysis of Household Survey in Northeast China(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2018年04期
Page:
545-550
Research Field:
Publishing date:

Info

Title:
Study on the Effect of Reducing Fertilizer Input and Increasing Efficiency of Grain-Soybean Rotation Technology：Based on the Rotation Location Experiment and the Analysis of Household Survey in Northeast China
Author(s):
CHEN Hai-jiang1; SI Wei1; WEI Dan2; LI Yu-mei2
（1.College of Economics and Management，China Agricultural University，Beijing 100089，China；2.Soil Fertilizer and Environmental Resources Institute，Heilongjiang Academy of Agricultural Sciences，Harbin 150086，China）
Keywords:
Grain-soybean rotation; Yield; Pesticide; Fertilizer
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2018.04.0545
Abstract:
At present, the agricultural production in Northeast China is facing serious ecological problems.In this background, this paper used the rotation experiment and farmers′ survey data to empirically analyze the effect of reducing fertilizer input and increasing efficiency of grain-soybean rotation technology from two aspects. The results indicated that: Consistent with existing studies, grain-soybean rotation technology could increase the yield of maize and soybean, reducing the amount of soybean pesticides and maize fertilizer use. In particular, the soybean yield of the rotation was 325.65 kg·ha-1 higher than that of the non-rotation，and the maize yield was 803.81 kg·ha-1 higher. In addition, the rotation saved 42 yuan·ha-1 for soybean pesticides and 117 kg·ha-1 for maize fertilizers. In general, there is indeed an ecological function of reducing fertilizer input and increasing efficiency in grain-soybean rotation technology. The research in this paper provided a scientific basis for promoting the adoption of grain-soybean rotation technology and establishing a reasonable rotation technology subside standard.

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Last Update: 2018-07-31