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- W2350414365 abstract "The study bosed on historical date of typical Lou soil profile in different years. In order to know the historical evolution and characteristics of nutrient on soil profile,the change of fertility and profile distribution of typical Lou soil in recent 30 years was studied by sampling. Results showed that the soil nutrient contents increased significantly in different soil layers (except for total potassium)since the 1980s. Organic matter increased by 104.6%; total nitrogen,by 61.7%; total phosphorus,by 21.6%; available nitrogen,by 67.3%; and available phosphorus,by 255 percent. Total potassium in the whole profile decreased to some extent,but in the top-soil,it declined only by 9.6%. In top-soil,the ration of soil nutrient content were greater in 2008 than those in 1982. Long-term fertilization is helpful to enhance soil fertility and the fertility of Lou soil is propitious to growth and absorption for plants." @default.
- W2350414365 created "2016-06-24" @default.
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- W2350414365 date "2010-01-01" @default.
- W2350414365 modified "2023-09-24" @default.
- W2350414365 title "Changes of Fertility in Typical Lou Soil Profiles During Recent 30 Years in the Loess Area of Shaanxi Province" @default.
- W2350414365 hasPublicationYear "2010" @default.
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