Effects of application of microbial and organic fertilizer on soil fertility and crop yield of a black soil in China

Qu J.; Liu Y.; Xu X.; Meng X.; Sun Y.

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Effects of application of microbial and organic fertilizer on soil fertility and crop yield of a black soil in China

机译：微生物和有机肥在中国黑土土壤肥力和作物产量下的应用

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摘要

To address the degradation of soil quality and yield decline of black soil, five treatments with different proportions of microbial and organic fertilizers were developed to investigate their effects on soil fertility and maize yield in black soil. The combined application of the two fertilizers significantly reduced soil bulk density, improved buffer capacity to acid and alkali of the soil, up regulated the content of soil organic matter, increased soil microbial population. The maintenance of soil structure stability was vital for the increase in maize yield. Based on principle component analysis, soil pH, organic matter, total nitrogen, available phosphorus, available potassium, bacteria, and fungi exhibited a higher load on PC1 with a contribution rate of 72.36%. Soil bulk density and actinomycetes exhibited a higher load on PC2 with a contribution rate of 19.68%. In conclusion, 70% microbial fertilizer + 30% organic fertilizer has proven to be the more scientific fertilization mode for maize in black soil.

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来源
《Agrochimica》 |2020年第3期|共16页
作者
Qu J.; Liu Y.; Xu X.; Meng X.; Sun Y.;
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作者单位

Northeast Agr Univ Coll Engn Harbin 150030 Peoples R China;

Northeast Agr Univ Coll Engn Harbin 150030 Peoples R China;

Northeast Agr Univ Coll Engn Harbin 150030 Peoples R China;

Northeast Agr Univ Coll Engn Harbin 150030 Peoples R China;

Northeast Agr Univ Coll Engn Harbin 150030 Peoples R China;

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原文格式 PDF
正文语种 eng
中图分类农业化学;
关键词
black soil; maize yield; microbial fertilizer; organic fertilizer; principal component analysis;

机译：黑土;玉米产量;微生物肥;有机肥;主成分分析;

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2. Combined Application of Organic and Inorganic Fertilizers on Black Soil Fertility and Maize Yield [J] . ZHAO Jinwei, ZHOU Lianren 东北农业大学学报：英文版 . 2011,第002期
3. Combined Application of Organic and Inorganic Fertilizers on Black Soil Fertility and Maize Yield [J] . ZHAO Jinwei, ZHOU Lianren 东北农业大学学报（英文版） . 2011,第002期
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Effects of application of microbial and organic fertilizer on soil fertility and crop yield of a black soil in China

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