Increasing Growth and Yield of Shallot Using Nano Zeolite and Nano Crab Shell Encapsulated NK Fertilizer in Entisols and Inceptisols

Nanotechnology can be used to produce slow-release fertilizers. Zeolite and crab shells are materials that as fertilizer encapsulation. This study aimed compare the effects of nano zeolite for encapsulation nitrogen- potassium fertilizers tested on Entisols Inceptisols soil growth yield shallots. The research method a completely randomized design with three factors. factors were type (Entisol Inceptisol), coating (nano-zeolite nano-crab shell), NK doses (125:50, 250:100, 375:150, 500:200). variables observed include initial physical chemical properties, nanoparticle characterization, yield, agronomic efficiency. Nanoparticles characterized using SEM analyzed ImageJ. data collected by ANOVA Tukey. ball milling succeeded in producing 91.41% 97.50% nano-sized shells. Plant height showed dose 125:50 gave better results. 250:100 inceptisols was than entisols, but highest efficiency (EA) obtained treatment 125:50.