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当前位置: 首页 > 文章 > 核桃叶面喷施磷酸二氢钾对幼树生长的影响 林业调查规划 2017 (3) 113-116
Position: Home > Articles > Effects of Leaf Spraying Potassium Dihydrogen Phosphate on Young Tree Growth of Juglans sigillata Forest Inventory and Planning 2017 (3) 113-116

核桃叶面喷施磷酸二氢钾对幼树生长的影响

作  者：
温琼文;赵保荣;蒋志东;王青叶
单  位：
元江县林果产业发展办公室;元江县林业科技推广管理工作站;玉溪市林业科技推广站
关键词：
核桃;幼树生长;喷施叶面肥;磷酸二氢钾;浓度;生长量
摘  要：
以栽培4~6 a的漾濞泡核桃幼树为试材,选用0.1%~0.6%浓度的磷酸二氢钾与清水对照,在6月份对不同海拔、不同坡向的2个核桃基地开展喷施叶面肥试验,在管理措施相同的条件下,对4个月核桃幼树的生长数据进行调查分析。结果表明,对于光照充足,位于山顶的核桃幼树,以喷施0.1%浓度的磷酸二氢钾对冠幅的生长最好,生长量比对照处理增加3.33 cm。对于阴坡核桃园,以喷施0.3%浓度的磷酸二氢钾对冠幅和地径的生长最好,生长量分别比对照处理增加0.84cm和0.03 cm;对扩大冠幅最好的浓度是0.6%,比对照生长量增加1.67 cm。
译  名：
Effects of Leaf Spraying Potassium Dihydrogen Phosphate on Young Tree Growth of Juglans sigillata
作  者：
WEN Qiongwen;ZHAO Baorong;JIANG Zhidong;WANG Qingye;Forestry Technology Extension Station of Yuanjiang County;Office of Forest and Fruit Tree Industry of Yuanjiang County;Forestry Technology Extension Station of Yuxi City;
关键词：
Juglans sigillata;;growth of young tree;;leaf fertilizer spraying;;potassium dihydrogen phosphate;;concentration;;growth increment
摘  要：
Choosing the young trees of Juglans sigillata of 4 to 6 years old as the experimental materials,the effects of leaf spraying potassium dihydrogen phosphate were studied. The experiments were conducted at two orchards with different altitudes and slope aspects,and leaf spraying was done in June with spraying water as the control. Four months after spraying,the growth of the walnut young trees was measured. The results showed that for the walnut trees planted in the top of the mountain with sufficient sun light,the optimum concentration of potassium dihydrogen phosphate was 0. 1 %,the crown growth was 3. 33 cm higher than the control. For the walnut trees planted at shady slope,the ptimum concentration of potassium dihydrogen phosphate was 0. 3 %,the growth of crown and basal diameter were 0. 84 cm and 0. 03 cm respectively higher than the control. Among the treatments,potassium dihydrogen phosphate of 0. 6 % was the best for the growth of crown,which was 1. 67 cm bigger than the control.

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