Allelopathy refers to the direct or indirect effects of plants on other plants by releasing chemicals into the environment. According to the above definitions, Which of the following are not consistent with allelopathy:. ['When wheat and soybean are intercropped, the nitrogen absorption capacity of wheat is improved.', 'Terpenoids from shrubs inhibit germination of herb seeds.', 'Acacia trees will volatilize toxic substances into the air, making the survival rate of weeds around the trees very low.', 'Chemicals in a herbicide can affect the growth of dicotyledonous weeds, thereby achieving the effect of elimination.']