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燕山板栗幼树抽条原因及防治措施￥河北青龙县果蚕局＠杨济民＠王春军燕山板栗幼树抽条原因及防治措施板栗幼树抽条群众称之为“损茬”、“萎窝子”，在燕山栗产区普遍发生，以４年生以下幼树发生严重。１抽条发生的原因一是燕山山区成土母岩多为片麻岩、花岗岩和石灰岩，土壤有...
Yanshan chestnut young tree pumping reason and prevention and control measures Hebei Qinglong fruit fruit @ @ Yang Jimin Yang Jimin Wang Chunjun Yanshan chestnut young tree pumping reasons and prevention and treatment chestnut young tree pumping the masses called the “stubble”, “lute child” , Occurring widely in the Yanshan chestnut producing area, with serious occurrence of young trees below 4 years old. 1 pumping the first reason is Yanshan mountain into the mother rock mostly gneiss, granite and limestone, soil ...