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目前,日本香川县正推广一种萄葡套袋栽培的新技术。套袋栽培的主要材料和方法是:用厚0.04毫米的聚乙烯薄膜,做成宽7厘米的细长袋,在袋上打2行间隔距离为10厘米、直径为7毫米的孔,袋长比所要套的果枝长15厘米。将此袋套在经过修剪留6～8个芽的果枝上,尾端在葡萄枝条分义处绑牢。每亩葡萄约需塑料薄膜1000米。套袋时间为3月15～20日左右,即地温达到10℃以上,剪断枝条后有树液流出即为适时,一般套袋后1个月左右,当芽上第2～3叶展开时就可去袋。如气温过高,
At present, Kagawa Prefecture, Japan is promoting a new technology of grapefruit bagging cultivation. Bagging cultivation of the main materials and methods are: with a thickness of 0.04 mm polyethylene film, made of 7 cm wide slender pouch, playing 2 lines in the bag interval of 10 cm, a diameter of 7 mm holes, bag length 15 cm longer than the desired branch. The bag after pruning to stay on the 6 to 8 buds on the branch, the tail end of the branches tied in the grapes tied. Approximately 1,000 meters of plastic film per acre grapes. Bagging time is March 15 to 20 or so, that is, the ground temperature reached above 10 ℃, cut off the branches after the tree liquid outflow is timely, after about 1 month after bagging, when the bud on the first two to three leaves Can go bag. If the temperature is too high,