2011•Heilongjiang nongye kexueRequires access
Study on Method and Effect of Maize Straw Return to Soil after Chopping
Dawei Li
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Abstract
The effect of maize straw chopped and returned to soil on soil basic physical and chemical properties was conducted by the method of block compared from 2008 to 2010 in Hulan black soil.The results showed that soil basic physicochemical properties and fertilizing soil fertility were improved by using organic fertilizer compared with inorganic fertilizer only.If using them together,soil organic matter was improved,soil bulk density was decreased,soil porosity was improved.At the same time,nitrogen,phosphorus,potassium of soil nutrient status were improved.