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- W2389863887 abstract "Two years location experiments were conducted in the province of Anhui,Hunan,Hubei,Guangxi and Jiangsu to study effect of straw returning on improving soil fertility and increasing crop yield in paddy soil.Results showed that,after 2 years of straw returning(conventional fertilization+decomposition agent+straw returning),soil structure became loose,fertility was improved and crop yield increased compared with CK(conventional fertilization and no straw)in all experimental site.As a whole,soil bulk density was decreased by 2.69%.Organic matter,total N,total P,available P,total K and slowly available K increased by an average 6.20%,4.45%,3.68%,6.21%,3.48%,8.42% and 4.20%,respectively.The pH value had no obvious changes.The average crop yield was increased by 7.5%(2.2%～18.5%),the increases was rice(7.2%)rape(8.1%)wheat(11.9%),among them,the yield increasing effect of the first year was the most obvious and it decreased with time of straw returning.In our country,straw returning should be extended widely." @default.
- W2389863887 created "2016-06-24" @default.
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- W2389863887 date "2011-01-01" @default.
- W2389863887 modified "2023-09-26" @default.
- W2389863887 title "Effect of straw returning on improving soil fertility and increasing crop yield in Southern China" @default.
- W2389863887 hasPublicationYear "2011" @default.
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