Influence of long-term fertilization on soil physicochemical properties in a brown soil

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Abstract

This study aims to explore the influence on soil physicochemical properties under a 38-y long-term fertilization in a brown soil. Soil samples (0-20 cm)were taken from the six treatments of the long-term fertilization trial in October 2016:no fertilizer (CK), N1(mineral nitrogen fertilizer), N1P (mineral nitrogen and phosphate fertilizer), N1PK (mineral nitrogen, phosphate and potassic fertilizer), pig manure (M2), M2N1P (pig manure, mineral nitrogen and phosphate fertilizer).The results showed thatthe long-term application of chemical fertilizers reduced soil pH value, while the application of organic fertilizers increased pH value. Fertilization significantly increased the content of AHN, TN and SOM. Compared with the CK treatment and chemical fertilizer treatments, organic fertilizer treatments significantly increased the content of AP and TP. The content of AK and TK were no significant difference in different treatment.

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Li, D., Luo, P., Han, X., & Yang, J. (2018). Influence of long-term fertilization on soil physicochemical properties in a brown soil. In IOP Conference Series: Earth and Environmental Science (Vol. 108). Institute of Physics Publishing. https://doi.org/10.1088/1755-1315/108/4/042027

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