不同土壤调理剂定位施用对作物产量、养分吸收和经济效益影响研究

doi:10.19640/j.cnki.jtau.2019.03.004

Journal of Tianjin Agricultural University ›› 2019, Vol. 26 ›› Issue (3): 17-20.doi: 10.19640/j.cnki.jtau.2019.03.004

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Effects of different soil conditioners application on crop yield, nutrient uptake and economic benefits

LI Chen-yu, LU Shu-chang

College of Agronomy & Resources and Environment, Tianjin Agricultural University, Tianjin 300384, China

Received:2019-04-01 Online:2019-09-30 Published:2019-09-30

Abstract

Abstract: The problem of soil quality degradation in northern farmland was prominent, which restricted the sustainable development of modern agriculture. This experiment proposed to use humic acid, biochar, alum and silicon calcium materials as soil conditioner materials in the northern winter wheat-summer corn planting area, and designed T1（control）, T2（humic acid）, T3（biochar）, T4（alum）, T5（silicon calcium material）, T6（biochar+alum）, T7（humic acid+biochar+alum）7 treatments positioning test in three planting season crops. The results showed that biochar treatment had the best effect on summer maize yield increase and nitrogen, phosphorus and potassium nutrient uptake, followed by biochar+alum treatment. From the perspective of economic benefits, the early T2 and T5 treatments were better, and the late T3 and T6 treatments performed well. Comprehensive considering crop yield, nutrient uptake and economic benefits, T3（biochar）and T6（biochar+alum）were more effective.

Key words: soil conditioner, positioning test, yield, nutrient uptake, economic benefits

CLC Number:

LI Chen-yu, LU Shu-chang. Effects of different soil conditioners application on crop yield, nutrient uptake and economic benefits[J]. Journal of Tianjin Agricultural University, 2019, 26(3): 17-20.

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Effects of different soil conditioners application on crop yield, nutrient uptake and economic benefits

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