新植果树不宜施生畜禽肥有些新建果园常习惯性地将未经腐熟的生畜禽肥直接施进树坑内，这种做法是造成幼树成活率低的主要因素。未经腐熟的畜禽肥所含氮素多以尿酸形态存在，尿酸盐不但不易被果树根系吸收，招引蛴螬等地下害虫，还会使根系出现常见的“烧根”现象，从而导... Newly planted fruit trees should not be used for livestock and poultry manure Some newly-built orchards often habitually apply the non-decomposed livestock and poultry manure directly to the tree pits. This is the main factor that causes the low survival rate of saplings. Undeclared livestock and fowl contains more nitrogen in the form of uric acid, urate is not only not easily absorbed by the roots of fruit trees, attracting subterranean pests such as catfish, but also the roots appear common “burning root” phenomenon. .