Utilization of zeolite and humic acid in modification of slow-release urea
1 Department of Chemical Engineering, Universitas Sultan Ageng Tirtayasa, Jl. Jenderal Sudirman km.3 Cilegon –Indonesia.
2 Applied biomaterial and product engineering laboratorium, Universitas Sultan Ageng Tirtayasa, Jl. Jenderal Sudirman km.3 Cilegon-Indonesia.
Research Article
World Journal of Advanced Research and Reviews, 2022, 14(01), 465–469
Publication history:
Received on 09 March 2022; revised on 20 April 2022; accepted on 22 April 2022
Abstract:
One effort to reduce nitrogen loss is to make the fertilizer in a form of slow-release. SRF method can be done conventionally based on centrifugal force. Nitrogen release from UZA fertilizers generally decreased during the incubation period. Urea fertilizer in the form of a slow-release combination of zeolite and humic acid is applied to soil media to reduce the rate of nitrate release. In this case, it is necessary to identify the effect of a release ready modifying zeolite and humic acid. Increase in the concentration of humic acid, the nitrogen content in the fertilizer before and after incubation in general decreased.
Keywords:
Humic acid; Nitrogen; Slow release; Urea; Zeolite
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