Effects of organic farming on main physical and chemical properties of saline alkali soil

doi:10.3969/j.issn.1004-1524.2017.09.17

›› 2017, Vol. 29 ›› Issue (9): 1544-1548.DOI: 10.3969/j.issn.1004-1524.2017.09.17

• Environmental Science • Previous Articles Next Articles

Effects of organic farming on main physical and chemical properties of saline alkali soil

WANG Hongyan¹, SUN Yan¹, YU Jun², LI Simeng¹, YUAN Jiahui¹, MENG Yutian¹, ZHAO Wei^{1, *}, LI Xiaoqing¹

1. College of Resources and Environment, Northeast Agricultural University, Harbin 150030, China;
2. Department of Science and Technology, Tarim University, Alaer 843300, China

Received:2017-02-11 Online:2017-09-20 Published:2017-09-27

Abstract

Abstract: In the present study, the effects of organic farming on improvement of saline alkali soil were explored by field experiment in the experimental farm of Shangengyuan agricultural science and technology development Co., Ltd. in Daqing City, Heilongjiang Province. It was shown that application of organic fertilizer improved the soil physical and chemical properties as compared to conventional farming. Contents of soil organic matter, available phosphorus and available potassium under organic farming were significantly (P<0.05) higher than those under conventional farming. Soil fertility was increased with the prolonged years of organic farming. Besides, organic farming was effective for improvement of saline alkali soil, as it could decrease soil pH value, total alkalinity and bulk density, and increase soil aggregates content to improve soil structure.

Key words: organic farming, soil fertility, aggregates

CLC Number:

S157.4⁺3

WANG Hongyan, SUN Yan, YU Jun, LI Simeng, YUAN Jiahui, MENG Yutian, ZHAO Wei, LI Xiaoqing. Effects of organic farming on main physical and chemical properties of saline alkali soil[J]. , 2017, 29(9): 1544-1548.

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Effects of organic farming on main physical and chemical properties of saline alkali soil

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