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板栗空苞现象是板栗生产中普遍存在的问题,据调查,板栗正常生长的地区平均有15%的空苞率,个别地区可达50%,更有甚者达90%,尤其是生长在山坡上方地块的大树,以及经嫁接后刚开始结果的幼树发生更为严重。一、空苞成因板栗形成空苞的原因是多方面的,但与土壤养分、授粉、病虫防治?
Chestnut empty bud phenomenon is common in the production of chestnut, according to the survey, the normal growth of chestnut area with an average of 15% of the empty shell rate, in some areas up to 50%, What is more, up to 90%, especially in the hillside The big tree above the plot, and the sapling just after the grafting, have worsened. First, the reasons for the formation of empty bracts empty chestnut hollow buds are many reasons, but with soil nutrients, pollination, pest control?