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两种或两种以上作物种在一起,一方或双方分泌的杀菌素、生长素、有机酸、生物碱等化学物质直接或间接影响对方生长的称为“相克”,能促进双方正常生长的称为“相亲”。 相亲的作物有:①玉米与豆科作物。②魔芋与玉米或向日葵。③大蒜与大白菜、包心菜等十字花科蔬菜,大蒜挥发物质可杀死十字花科蔬菜软腐
Two or more crops together, one or both of the secretion of spinosad, auxin, organic acids, alkaloids and other chemical substances directly or indirectly affect each other’s growth called “phase g”, can promote the normal growth of both said For “blind date.” The blind date of the crops are: ① corn and leguminous crops. ② konjac and corn or sunflower. ③ garlic and cabbage, cabbage and other cruciferous vegetables, garlic volatile substances can kill cruciferous vegetables soft rot