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Zinc Sulphate
Enwere ike iji ya gbochie ọrịa nke ebe a na-azụ mkpụrụ osisi, ọ bụkwa fatịlaịza nkịtị iji gbakwunye akuku zinc trace element fatịlaịza. Enwere ike iji ya dị ka isi fatịlaịza, fatịlaịza foliar, wdg. [6] Zinc bụ otu n’ime ihe ndị na-edozi ahụ dị mkpa maka ahịhịa. Osisi na-acha ọcha na-adị mfe ịpụta na ọka n'ihi ezughi oke zinc. Mgbe zinc erughi dị njọ, na seedlings ga-akwụsị na-eto eto ma ọ bụ ọbụna ịnwụ. Karịsịa maka ụfọdụ aja aja ma ọ bụ ubi nwere uru pH dị elu, ekwesịrị itinye fatịlaịza zinc dị ka zinc sulfate. Mmụba nke fatịlaịza zinc nwekwara mmetụta nke ịba ụba mkpụrụ. Fatịlaịza usoro: were 0.04 ~ 0.06 n'arọ zinc fatịlaịza, mmiri 1 n'arọ, mkpụrụ mgbakwasa 10 n'arọ, ikpo maka 2 ~ 3 awa agha. Tupu ịgha mkpụrụ, a na-etinye fatịlaịza zinc na oyi akwa rhizosphere na 0.75-1kg / mu. Ọ bụrụ na agba agba dị ọkụ na ogbo seedling, zinc fatịlaịza nwere ike sprayed na 0.1kg / mu
