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从1984年开始,通过多年果园覆草证明,成龄苹果园经过4～5年地而覆草,对培肥地力、提高果品质量有显著效果,新植苹果园覆草,能显著提高栽植成活率,并促进生长发育。 成龄苹果园覆草于1984～1988年在山地苹果园进行。土壤质地为砂质土,品种为国光,树龄30年,株行距6×6m。覆草区和
Since 1984, through many years of orchard grass mulching, mature apple orchards after 4 to 5 years to cover the grass on fertility and improve fruit quality have a significant effect, the new planting of apple orchard grass, can significantly improve the survival of planting Rate and promote growth and development. Old apple orchard garden grass in 1984 to 1988 in the mountain apple orchard. Soil texture of sandy soil, the country for the light varieties, age 30 years, spacing 6 × 6m. Grass covered area and