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经过对葡萄进行三年的栽培试验和观查,认为采用育大苗方法栽植后覆盖地膜,可使中晚熟耐寒品种达到丰产可食的水平。栽后第二年见果,栽后第三年亩产由原来不足100公斤提高到近1000公斤,且提早1—2年进入丰产期。幼树期覆盖地膜,增加了土壤温湿度,促进有效养分转化,根系发达,枝蔓健壮。大面积栽培时应用此技术仍能保证不缺或少缺株。
After three years of grape cultivation experiments and observations, that the method of planting seedlings covered with plastic film, can make the late-maturing cold-resistant varieties to achieve high yield and edible levels. In the second year after planting, see the fruit, the third year after transplanting, the mu yield increased from less than 100 kg to nearly 1000 kg, and entered the high yield period 1-2 years earlier. Saplings cover the plastic film, an increase of soil temperature and humidity, and promote the transformation of effective nutrients, developed root system, stout robust. Large-scale cultivation of this technology can still guarantee the application of less or less lack of strains.