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Effect of long-term fertilization on the phosphorus content of black soil in Northeast China

文献类型： 外文期刊

作者： Ma, Xingzhu 1 ; Wu, Zhijie 2 ; Chen, Lijun 2 ; Zhou, Baoku 3 ; Gao, Zhongchao 3 ; Hao, Xiaoyu 3 ; Zhang, Junzheng 4 ;

作者机构： 1.Heilongjiang Acad Agr Sci, Postdoctoral Programme, Harbin 150086, Peoples R China

2.Chinese Acad Sci, Inst Appl Ecol, Shenyang 110016, Peoples R China

3.Heilongjiang Acad Agr Sci, Inst Soil Fertilizer & Environm Resource, Harbin 150086, Peoples R China

4.Harbin Inst Technol, Harbin 150001, Peoples R China

关键词： fertility;fertilizer;manure;soil phosphorus;soil profile

期刊名称：ACTA AGRICULTURAE SCANDINAVICA SECTION B-SOIL AND PLANT SCIENCE （ 影响因子：1.694； 五年影响因子：1.568 ）

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收录情况： SCI

摘要： Samples of black soil were collected from long-term experimental plots in Gongzhuling to study the content and changing trends of soil phosphorus (P) under different fertilization practices (nonfertilization, chemical fertilization, organic fertilization and chemical plus organic fertilization). Results showed that contents of total P and available P in soil under no fertilizer treatment were lower than the other fertilization treatments. The application of organic fertilizer increased the content of total P and available P in 0-40 cm soil depth and content of total P and available P decreased with increasing soil depth, until no changes were found at 60 cm. Soil P had positive and significant correlations with soil total organic carbon and soil total nitrogen content because nitrogen and P were applied simultaneously. It also had negative and significant correlations with soil pH. Efficient use of phosphorus in organic manure and fertilizer require a balanced application of phosphorus

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