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在秋栽核桃园,采用包干埋土法和塑料编织袋灌土法进行越冬防寒试验,其中包干埋土法为:对干高50~60cm的幼树,埋土时将整株埋入,土高苗10~20cm;对于60cm以上且有分枝的幼树,要先将上部用废旧报纸或胡麻毛等包严,下部仍用土埋50cm以上。塑料编织袋灌土法为:对苗高约60cm的幼树,先剪开袋的底部,以幼树为中心套上,然后用土灌满;若幼树较高
In autumn planted walnut orchard, using the method of burying soil and plastic woven bag irrigation soil overwintering cold-proof test, including bagging buried method is: the stem height of 50 ~ 60cm saplings buried in the whole plant, soil High seedlings 10 ~ 20cm; for more than 60cm and branches of the saplings, the first to use the upper wastepaper or flaxseed and other package Yan, the lower still buried with earth 50cm or more. Plastic woven bag soil irrigation method: the young tree about 60cm in height, first cut the bottom of the bag, the young tree as the center cover, and then filled with soil; if the sapling is higher