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“三当苗”是指当年播种,当年嫁接,当年成苗的苗木,其特点是:组织松散不充实,芽饱满度低,主根质量差。实践证明,用“三当苗”建园必须加强栽培后管理,才能保证苗木正常生活,园貌整齐。 1.松土促根,蓄水保墒。松土有利于提高地温,增加土壤通透性,保墒,促进根系生活,对水源缺乏的果园可在苗木周边50厘米处对面做营养蓄水坑蓄水促长。 2.种植间作物。新植果园进行间作,一般以低
“Three when the seedlings” refers to the year of planting, then grafting, when the seedlings into seedlings, its characteristics are: loose tissue is not full, sprouting fullness low, the main root of poor quality. Practice has proved that with the “Sandang Miao” to build gardens must be strengthened after the cultivation management, in order to ensure the normal life of nursery stock, neat appearance. 1. Tissue to promote root, water and soil moisture. Loosening soil is conducive to raising ground temperature, increasing soil permeability, preserving soil moisture and promoting root life. The orchards lacking water can make nutrient puddles opposite the periphery of the seedlings for 50 minutes. 2. Planting crops. New plantation orchard intercropping, generally low