论文部分内容阅读
果树施肥的最佳部位果树对肥料的吸收,主要靠根系中的根毛来完成,因此,在根集中分布区施肥是提高肥效的关键之一。果树地上部分与地下部分存在着一定的相关性。一般来说,水平根的分布范围约为树冠直径的1~2倍,并多集中于树冠投影的外缘或稍远处;其垂直分布,随树...
Fruit tree fertilization of the best parts of the fruit tree to absorb fertilizer, mainly by root hair root to complete, therefore, the distribution of fertilization in the root zone is one of the key to improving fertilizer efficiency. There is a certain correlation between aboveground and underground parts of fruit trees. In general, the distribution of horizontal roots is about 1 ~ 2 times the crown diameter, and more concentrated in the crown of the outer edge or slightly away; its vertical distribution, with the tree ...