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[1]HE Ruiqing,WANG Baiqun,ZHANG Yan.Effects of Tillage and Fertilization on Soil Microbial Biomass Carbon and Nitrogen in Sugarcane Field[J].Research of Soil and Water Conservation,2015,22(05):118-121.

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Effects of Tillage and Fertilization on Soil Microbial Biomass Carbon and Nitrogen in Sugarcane Field

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 22 Number of periods: 2015 05 Page number: 118-121 Column: Public date: 2015-10-28

Title:: Effects of Tillage and Fertilization on Soil Microbial Biomass Carbon and Nitrogen in Sugarcane Field

Author(s):: HE Ruiqing¹, WANG Baiqun^1,2, ZHANG Yan¹; 1. College of Natural Resources and Environment, Northwest A & F University, Yangling, Shaanxi 712100, China;
2. State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi 712100, China

Keywords:: tillage; fertilization; soil microbial biomass carbon; soil microbial biomass nitrogen

CLC:: S154.3;S158.3

DOI:: -

Abstract:: The soil microbial biomass carbon (SMBC) and soil microbial biomass nitrogen (SMBN) in latosolic red soil at Yunnan Pupiao were investigated to determine how they were affected by tillage and fertilization. The results showed that different tillage and fertilization on soil microbial biomass carbon and nitrogen were affected. The effects of tillage on soil microbial biomass carbon and nitrogen were consistent, and showed no tillage > tillage. The influence of fertilization on soil microbial biomass carbon in 0—20 cm was tillage fertilization > tillage, 20—40 cm and 40—60 cm were tillage > tillage fertilization, while effect of fertilization on soil microbial biomass nitrogen contrasted with the effect of microbial biomass carbon. The quotients of soil microorganism were significantly different (p<0.05) in different tillage and fertilization and soil depth, and showed no tillage > tillage. Effect of tillage fertilization on soil microbial quotient of the 0—20 cm was slightly higher than tillage, and the other soil layers were tillage > tillage fertilization. The ratio of soil microbial biomass nitrogen to total nitrogen was similar to the trend of soil microbial biomass nitrogen. In different tillage and fertilization, no tillage would improve the soil microbial biomass helpfully, also fertilization could improve the soil microbial biomass in a certain extent.

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