Effect of Mulching on Soil Fertility in Apple and Pear Orchard(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Author(s):: YANG Dong-sheng; SHI Zhuo-gong; XIAO Yan-yun; LIANG Xue; WANG Meng; HE Run-xi; (Academy of Forestry，Southwest Forestry University，Kunming,Yunnan 650024)

Abstract:: Taking apple orchard in Kunming region and pear orchard in Xuefeng Ecology Garden of Yiliang County as experimental object，a survey analysis and determination was conducted on the mulching and clean tillage soil fertility in two kinds of orchard soil management.The results showed that the pear and apple orchard mulching a year and a half later，increased soil organic matter(OM) content，the soil hydrolysis nitrogen(N)，available phosphorus(P) and available potassium(K) content in varying degrees increase，but total calcium(Ca)，total magnesium(Mg)，total zinc(Zn) and total boron(B) content had full downward trend in overall；soil nutrient content was generally expressed as topsoil (0-20 cm) was greater than the deep soil (20-40 cm).Orchard mulching improved physical and chemical properties，and the soil fertility was improved.

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Last Update: 2015-03-03