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影响柑桔优质高产主要有以下七个因素。1.地况因素 土质瘠薄。土壤酸碱度过大。海拔过高或长期处于阴闭、日照短的峡谷地带以及肥水流失严重的土质。对策:由于柑桔是常绿果树,喜欢温暖湿润的环境地带,要求年平均温度在15℃以上,绝对最低温度不低于零下9℃,年日照时
Affect the quality and high yield of citrus mainly have the following seven factors. 1. Soil conditions infertile soil. Soil pH is too large. Elevated altitude or long-term in a closed shade, short sunshine canyon areas and fertile soil loss of serious soil. Countermeasures: As citrus is an evergreen fruit tree, like warm and humid environment, requiring an average annual temperature above 15 ℃, the absolute minimum temperature of not less than minus 9 ℃, the sunshine