1　弄清果树的根类　果树的根可分为 2种 :吸收根和输导根。呈乳白色的当年生根是吸收根 ,果树靠它吸收土中的水分和养分。呈橙黄色的较粗根是输导根 ,其作用是把吸收根从土壤中获得的水分和养分输导到树冠。树体衰老先从根系开始 ,因此根系修剪十分重要。2　根系修剪应连年进? 1 to find out the root of fruit trees The roots of fruit trees can be divided into two kinds: absorption of roots and root guide. Milky white root is absorbed roots, fruit trees rely on it to absorb soil moisture and nutrients. The coarser root, which is orange and yellow, is the root of delivery, which transports the water and nutrients that the root absorbs from the soil to the canopy. Tree aging begins with the root system, so root pruning is very important. 2 root pruning should be year after year?