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苹果栽后戴套效果好我们在1993年春,对沙地新定植苹果苗的上半部,用直径5~6cm,长40~45cm的塑料筒套住,下口绑死固定,上口敞开与剪口相平(目的是消弱顶端优势)。新梢长到3~4cm时,在早晨或傍晚把套去掉。结果,不仅对东方金电子有极好的防预效...
Apples planted after the effect of planting good We in the spring of 1993, the new planting of apple seedlings in the sand on the upper half, with a diameter of 5 ~ 6cm, 40 ~ 45cm long plastic tube cover, tied to death under the mouth, catchy open and Scissors (the purpose is to weaken the top edge). When the new shoots grow to 3 ~ 4cm, the sets are removed in the morning or evening. As a result, it not only has an excellent anti-forerunner effect on Golden East Electronics