In order to understand the appropriate application amount of zinc sulfate heptahydrate in maize in warm and cool areas of Tengchong and Longling,field experiments were carried out in a representative area(Qushi Town of Tengchong City)from May to September 2022.A single factor 5-level randomized block design was used in the experiment,5 treatments were set up for 3 repli-cates,and different amounts of zinc fertilizer were applied on the basis of the recommended fertilizer amounts of N,P and K.The re-sults showed that the application of zinc fertilizer on maize had a certain effect on increasing the number of grains per ear and the yield of maize,and the appropriate dosage of zinc sulfate heptahydrate was about 30 kg/hm2.
warm and cool areamaizezinc fertilizer dosagefield experiment
维普
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