摘要
介绍了在干旱瘠薄的山地条件下 ,核桃高产优质的栽培管理技术。包括 :1土肥水管理技术 ;2对多年生的实生种群进行高接换头 ,获得 6 0 %~ 85 %的嫁接成活率 ;3在幼树的整形修剪和大树的改造修剪方面提出了“丰产结构”模式和三种树形结构以及相应的整形修剪技术 ;4利用核桃去雄技术 ,使核桃增产达 40 %~ 6 0 % ;5加强病虫害防治 ,获得 95
High yield cultural techniques of walnut in infertile mountains are introduced,which includes that ① Soil,fertilizer,and water management techniques, ② top grafting to seedling population with survival rate of 60%~85%, ③“high yield structure” pattern and three types of tree forms and pruning techniques in young tree pruning and big tree improving, ④ emasculation techniques to increase 40%~60% of yield, and ⑤ strengthen pest control to get 95% of fine fruit rate.
出处
《山西林业科技》
2000年第4期24-25,30,共3页
Shanxi Forestry Science and Technology