The insects which hide underground are one of the main reasons to affect the growth of walnut seedlings during seedling stage.
核桃苗期地下害虫是影响优良核桃苗木生产的主要因素之一。
The effect of irregular root on the growth of sprout and root is little, so walnut seedling grafting could be used in practice on a large scale.
核桃子苗根系的形状对嫁接成活率、苗木生长量和根系的生长发育均无显著影响。
The experiment of walnut seedling grafting was carried out in Jianyang County, Sichuan Province. The result showed that the graft union could be healed in the field through covering ;
在四川省简阳地区，核桃子苗嫁接苗可以不经过室内愈合，直接移栽田间，这是核桃子苗嫁接技术的一次改进。
In order to improve survival rate of walnut grafted, comparison of new shoot increments and cost were made between seedling grafting, bud grafting and green branch grafting of walnut.
为了提高核桃嫁接成活率，在不同试验点最适宜的肥水条件下，对核桃子苗嫁接、芽接、绿枝接的成活率、新梢生长量及成本进行对比研究。
In order to improve survival rate of walnut grafted, comparison of new shoot increments and cost were made between seedling grafting, bud grafting and green branch grafting of walnut.
为了提高核桃嫁接成活率，在不同试验点最适宜的肥水条件下，对核桃子苗嫁接、芽接、绿枝接的成活率、新梢生长量及成本进行对比研究。
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