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近几年来,山东省临沂地区果树技术推广部门对果园覆草进行了较多系统的调查研究和大面积试验示范。一、果园覆草好处多培肥土壤草类分解后能提高土壤肥力,每亩果园每年覆草1250公斤,相当于施纯氮5公斤,纯磷2.25公斤,纯钾12公斤,覆草可显著增加土壤有机质。连年覆草的果园,根系主要
In recent years, the branch of fruit tree technology promotion in Linyi Prefecture of Shandong Province conducted systematic investigation and large-scale demonstration of orchard mulching. First, the benefits of orchard mulching more fertilizers Soil grass class decomposition can improve soil fertility, grass orchards per mu covering 1250 kilograms per year, equivalent to 5 kg of pure nitrogen, pure phosphorus 2.25 kg, pure potassium 12 kg, grass can be significant Increase soil organic matter. Year after year grass orchard, root system