Most nurseries sell certified trees . 多数苗圃都出卖合乎标准的苗木。
The saplings have expanded into trees . 苗木已长成树。
Commend me to the nurseryman and the poulterer . 把我介绍给苗木培养工或者家禽贩子吧。
Consider the entire production of seedlings as the next population . 把所有的苗木全部作为下一代种群。
Trees have been inspected in the nursery for trueness to name . 在苗圃内所有的苗木都检查过是名实相符的。
Later outplant the seedlings in a replicated permanent test plantation . 以后苗木出圃栽植成重复的永久性试验林。
The work involved in testing numerous seedlings in this manner has been prohibitive . 测定大量苗木则已经不再使用这种方法了。
It is usually good practice to cull the poorest prior to field planting . 通常在实践上的好方法是在出圃栽植前挑出最弱的苗木。
Good randomization is relatively difficult to achieve when working with bundles of trees which cannot be shuffled as can cards . 好的随机化是比较难以获得成功的,要把一捆捆的苗木混合,不象洗纸牌那样容易。
Most nurseries sell certified trees which means that the trees have been checked and identified by state inspectors as true to name . 多数苗圃都出卖合乎标准的苗木,这些苗木都经过国家检验员的检查鉴定,合乎品种标准。