果园里所栽的果树,达到結果的年龄后,如果发現果形小,味酸栽,則食用价值很低,或沒有食用价值。砍掉重栽,不但过去了的时間,无法挽救,即在人力和財力上,也受到很大的損失。采用高接換种法,就能使这品質惡劣的果树,生产出优美可口的果实;而又能及早結果。目前农村里很多品質差的果树,就可采用这办法进行改良。 Fruit trees planted in the orchard, after reaching the age of results, if found fruit shape small, sour plant, the edible value is very low, or no edible value. Cut off replanted, not only the time passed, can not be saved, that is, in human and financial resources, but also suffered a great loss. The use of high-exchange method, you can make this poor quality of fruit trees, to produce beautiful and delicious fruit, but also early results. At present, many poor quality fruit trees in rural areas can be improved by this method.