1) Nursery amounting
定苗量
2) Precision fertilizer based on leaf measured
测苗定量施肥
4) seedling testing
苗期测定
1.
Preliminary selection and seedling testing of plus trees progeny of Pistacia chinensis;
黄连木优树子代苗期测定与初步选择
6) nursery testing
苗期测定
1.
The application of 4 clones selected by nursery testing showed that the survival ratio,preserving ratio,growth and disease resistance were markedly superior to the tree seedling of Casuarina equisetifolia.
通过采用木麻黄优树选择与子代测定的方法,从63个木麻黄家系中筛选出10个优良家系,再经苗期测定选出4个无性系在木麻黄更新造林中应用表明,其造林成活率、保存率和生长量以及抗病性均明显优于对照的木麻黄实生苗;综合抗风力、水培生根率和干形等评价指标表明,选育的粤501、平18、惠1和莆20等4个木麻黄无性系较为优良,可以在全省沿海防护林建设中推广应用。
2.
In the threeyear nursery testing,8 of 41 clones are selected and ranked randomly.
经3a育苗试验,从41个康定杨Populuskangdingensis优树无性系中选出8个无性系,按照随机区组排列,进行苗期测定。
3.
Nursery testing of 97 cottonwood clones was conducted.
９７个美洲黑杨无性系经苗期测定结果表明：苗高、地径的生长，表现出无性系间的显著差异，具有较丰富的遗传变异基础，广义遗传力分别为８０。
补充资料：定苗
按一定株距留下长得好的幼苗，把多余的苗去掉。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条