【摘要】 李园生草不仅可以抗旱、保墒,提高土壤肥力,改善土壤结构,而且能够增强果园的观赏效果,是现代果业生产的重要栽培管理技术。研究表明:李园生草平均提高土壤有机质含量9%,全氮含量提高43%,速效氮、磷、钾分别提高22.7%、19.3%、19.9%;还可增加土壤田间持水量和孔隙度。更多还原

【Abstract】 Sown grass in plum orchard can not only resist drought,hold water content,increase soil fertility,improve soil structure,but also improve the viewing effect of orchard.It is a kind of important cultivation technique in modern fruit production.The results showed: Sown grass in plum orchard could increase soil organic substance,total N,available N,available P,and available K 9%,43%,22.7%,19.3%,19.9%,respectively.Moreover,it could increase soil porosity and field water content.更多还原