Effects of film mulching on the content of soil nutrient and production and quality of Brassica pekinensis

doi:10.14088/j.cnki.issn0439-8114.2020.07.011

Abstract

Abstract: A split-block field experiment was conducted with film mulching（M） or no film mulching（NM） as main factor and different fertilizer as the deputy factor（no fertilizer CK,farmer accustomed fertilization CF,reduced rate of fertilization RF and improved reduced rate of fertilization IRF）. Meanwhile, the contents of available N, available P, available K, available Zn and available B in different soil layers were determined. The results showed that the weight per plant, the biological yield, the economic yield, the fertilizer use efficiency, and the economic yield of Brassica pekinensis were significantly increased by mulching compared with no mulching. Fertilization can also significantly promote the growth of Brassica pekinensis, improve plant nutrient content and uptake. Fertilization can significantly increased nitrate content, decreased soluble sugar content and vitamin C content of Brassica pekinensis, but the effect of film mulching on quality index was not significant. Film mulching significantly increased the content of available N and available K, decreased the leaching degree of available P, and significantly affected the contents of available B and available Zn in topsoil, but not in deep soil.

Key words: Brassica pekinensis, film mulching, soil nutrient

CLC Number:

S634.9

LIAN Zhi-cheng, HUANG Xiang, HONG Juan, CHEN Gang, DU Lei, WANG Su-ping, ZHANG-Gui you, ZHANG Li-hong, YE Li-xia. Effects of film mulching on the content of soil nutrient and production and quality of Brassica pekinensis[J]. HUBEI AGRICULTURAL SCIENCES, 2020, 59(7): 49-54.

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