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Position: Home > Articles > Impact of Microbial Inoculants on Microbial Quantity, Enzyme Activity and Available Nutrient Content in Paddy Soil Journal of Northeast Agricultural University(English Edition) 2015,22 (4)

Impact of Microbial Inoculants on Microbial Quantity, Enzyme Activity and Available Nutrient Content in Paddy Soil

作者：

Xiaojie Liu;Duan Xue-jiao;Ning Ma;Tao Sun;Jiang X

单位：

National Soybean Engineering Technology Research Center, Northeast Agricultural University, Harbin 150030, China;College of Resources & Environment, Northeast Agricultural University, Harbin, 150030, China;College of Resources & Environment, Northeast Agricultural University, Harbin, 150030, Chin

关键词：

soil;soil phosphorus;activator;microbial inoculants;the application;increase

摘要：

Abstract The experiment was conducted to study the impact of application of microbial inoculants, compared with no microbial fertilizer, on enzyme activity, microbial biomass and available nutrient contents in paddy soil in Heilongjiang Province. The application of soil phosphorus activator was able to increase the quantity of bacteria and fungi in soil, but its effect on actinomycetes in soil was not significant. The application of microbial inoculants increased the urease and sucrase activities in soil over the growing season, but only at the maturing stage soil acid phosphatase activity was enhanced with the applying soil phosphorus activator. The application of soil phosphorus activator increased alkali-hydrolyzable nitrogen and available phosphorus contents in soil, but did not increase available potassium content in soil. The optimal microbial inoculant application rate as applied as soil phosphorus activator was 7.5 kg·hm−2.

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Impact of Microbial Inoculants on Microbial Quantity, Enzyme Activity and Available Nutrient Content in Paddy Soil

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东北农业大学学报(英文版)

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