|Table of Contents|

Effects of Different Dosages of Organic Fertilizer on the Growth and Yield of Soybean(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2018年04期
Page:
578-584
Research Field:
Publishing date:

Info

Title:
Effects of Different Dosages of Organic Fertilizer on the Growth and Yield of Soybean
Author(s):
TIAN Yan-hong1; ZHAO Xiao-feng1; LIU Yue1; ZHU Bao-guo2; YAN Feng-chao1
(1.Institute of Agricultural and Poultry Products Comprehensive Utilization Sciences of Heilongjiang Academy of Land Reclamation Sciences，Jiamusi 154007, China； 2.Jiamusi Branch of Heilongjiang Academy of Agricultural Sciences, Jiamusi 154007, China)
Keywords:
Dosage of organic fertilizer; Soybean; Plant characters; Yield; Economic benefit
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2018.04.0578
Abstract:
In order to determine the optimum dosage of organic fertilizer for soybean production, the effect of different dosages of self-fermentation organic fertilizer with chemical fertilizer on the growth and yield of soybean were studied. The organic fertilizer dosages were 2.5,7.5,15.0,22.5 and 30.0 t·ha-1. The results of plant characters with plot experiments during 2016 and 2017 showed that the organic fertilizer released slowly, the plants growth vigor was weaker than chemical fertilizer at seedling stage, while at full-bloom stage, root and nodules growth were better than chemical fertilizer, and the dry matter accumulation was significant higher than the chemical fertilizer treatment when the dosage was between 15 and 30 t·ha-1. The dosage between 2.5 and 7.5 t·ha-1 with 50% routine chemical fertilizer could promote plant growth compared with single application of organic fertilizer treatment, but dry matter accumulation was still lower than routine chemical fertilizer treatment. The results of the yield showed that the optimal dosage of single organic fertilizer was between 15 and 22.5 t·ha-1 with the yield increased by 2%-4%. The optimal dosage of organic-chemical fertilizer was 15 t·ha-1 organic fertilizer with 50% routine chemical fertilizer, which significantly increased the yield by 2.63% compared with routine treatment. As for economic benefit, the more application of organic fertilizer, the higher fertilizer cost, the lower benefit value. Therefore, for increasing yield and ensuring economic benefit, the optimum dosage was 15 t·ha-1 organic fertilizer with 50% routine dosage of chemical fertilizer.

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Last Update: 2018-07-31