树木之间、庄稼之间、树木和庄稼之间,既有“亲朋好友”而相生,也有“冤家对头”而相克。 樱桃和苹果相生,若种在一起,各自都可放出一种挥发性气体,彼此互相吸收、促进生长发育,结出丰硕的果实,且格外香甜。刺槐和杨树是“好友”,刺槐是浅根性树种,杨树是深根性树种,互不争水肥;且刺槐的根瘤菌可固氮供给杨树,促进其生长。山苍子和油茶相生,若种在一起,山苍子的挥发性气体可杀死油茶烟煤病菌,促进油茶生长,结出丰硕的果实。葡萄和紫罗兰若种在一起,能互相促进生长,不 Between trees, between crops, between trees and crops, both “friends and relatives,” but also “friends and enemies” and g. Cherry and apple, if together, each can emit a volatile gas, absorb each other and promote the growth and development, yielding fruitful, and extremely sweet. Robinia pseudoacacia and poplar are “friends”, Robinia pseudoacacia is a shallow root tree, poplar is a deep-rooted tree species, mutually unfavorable watery fertilizers; and Rhodococcus rhodochrouser can supply poplar nitrogen and promote its growth. Litsea cubeba and Camellia Health, if kind together, Litsea cubeba volatile gas can kill bitter anthrax bacteria, promote the growth of Camellia, Results fruitful. If the grapes and violets are planted together, they promote each other’s growth, no