Abstract
Fertilization is one of the mainfactors determining the success of corn cultivation in addition tosuperior varieties. The use of fertilizers must be made to be effective and efficient, so as to increaseproduction optimally while increasing farmers' income and not polluting the environment. This studyaims to determine the effect of NPK fertilizer (21-21-21) on the growth and yield of maize. The studywas carried out in Watugede Village, Puncu District, Kediri Regency, from October 2020-March2021. The study used a Randomized Block Design (RAK) 7 treatments with 4 replications, namely basedon a combination of NPK fertilizer (21-21-21), comparison of recommended fertilizer doses , withoutfertilizer. The results showed that the dose of NPK (21-21-21) 200 + Urea 200 + ZA 100 kg/ha had asignificant effect on maize plant growth and biomass weight. The production of jugung was significantat this dose in the results of wet log weight and dry shelled yields. It is necessary to carry out a similarstudy but in locations that have different agroecology because corn is widely cultivated in Indonesia,so that production is high with lower fertilizer inputs.
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