procedures to combat unerwuenschten plant growth

摘要

Process for weed control comprises applying to the soil a cmpd. (I) (where R = 1-4C alkyl or cyclohexyl) or their alkali (ne earth), NH4, opt. alkyl or hydroxyalkyl substd., fatty amine or hydrazine salts, when the majority of the weed seeds are dormant, germinating or emerging from the soil. (I) give excellent control of a great variety of weeds without harming crops, and may be applied up to the end of germination.