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《Journal of Hebei Agricultural Sciences》 2005-03
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Trend of Soil Fertility in the Main Farmland of Hebei Province

LIU Ke-tong ( Hebei Center Station of Soil and Fertilizer,Shijiazhuang 050021 ,China)  
Location monitoring of the soil fertility of the main f ar mland in Hebei had been done in 7 years from 1998 to 2004.The results showed th e contents of organic matter,total N and available P in arable soil increased co mpared with the data given in the second soil general investigation in 1989 and the available K decreased;Organic matter,total N,available P and available K acc umulated;The imperfect fertilization resulted in N surplus,P accumulation,half a nd half K surplus and shortage.
【CateGory Index】: S158;
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