2008•Northern HorticultureRequires access
Dynamic Change of Soil Nutrient and Fertilization Measure in Apple Garden of Qingyang City
Zhao Ai-ping
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Abstract
By analyzing the change of soil nutrient in apple garden of Qingyang city,the results indicated that soil organic substance,total nitrogen,alkali nitrogen and available phosphorus in 2006 increased 2.36 g/kg,0.15 g/kg,8.3 mg/kg,2.8 mg/kg respectively than in 1980,on the contrary available kalium decreased 7.5 mg/kg.According to the change trend,we advanced fertilization measure of keeping balance of soil nutrient and increasing soil fertility.