论文部分内容阅读
1984年9月17日至24日,我们在烈面区各乡进行了桤木排栽苗和未排栽苗生长情况调查.共做了10个标准地根系解剖、生物生长量测定,现将调查材料整理于后.一、桤木幼苗排栽与不排裁的生长情况烈面区礼安乡三村四组育苗专业户张万新育的两亩桤木苗,在同一块田内有排栽的,也有未排栽的,种子为同一产地(南部县),管理、施肥一样,但高生长、径生长有极明显的差异.
From September 17 to September 24, 1984, we conducted a survey on the growth of planted seedlings and unplanned planting seedlings in the area of the stronghold area, and conducted a total of 10 standard root anatomical and biological growth measurements. Now, Investigation materials arranged in the first, alder seedlings planted rowing and growth of the situation without rowing Riem area Ruanxiang four groups of four nursery specialty households Zhang Wanxin two acres of Alder nursery seedlings planted in the same field, there are Not planted, the seeds for the same place (Southern County), management, fertilization, but the high growth, diameter growth has very significant differences.