CD Skripsi
Pertumbuhan Dan Produksi Tanaman Bawang Bawang (Allium Ascalonicum L.) Dengan Berbagai Kombinasi NPK, Kompos Padat Dan Pupuk Hayati
This research aims to study the effect of solid compost and organic fertilizer in reducing NPK fertilizer on shallot plants (Allium ascalonicum L.). The study used a completely randomized design (CRD) with four replications, the treatments consisted of: 100% NPK, 100% NPK + solid compost, 75% NPK (25% reduction) + solid compost, 50% NPK (50% reduction) + solid compost, 100% NPK + solid compost + biological fertilize, 75% NPK (25% reduction) + solid compost + biological fertilize, 50% NPK (50% reduction) + solid compost + biological fertilize. The observation parameters consisted of plant height, number of tubers, number of leaves, diameter of tubers, fresh weight per clump, dry weight per clump, fresh weight per 1 m2, and shelf-ready tuber weight per 1 m2. The results showed that a 25% reduction in NPK + solid compost + biological fertilize was able to increase plant height, number of leaves, number of tubers per clump of shallots and produce fresh weight per clump, dry weight per clump, fresh weight per 1 m2 and weight of shelf-worthy tubers per 1 m2 that were heavier than other reduction combinations. The effect of solid compost and biological fertilize can reduce 25% and 50% of the NPK dose in shallot cultivation. The economical recommendation is 50% reduction in NPK (250 kg.ha-1) + solid compost (5 t.ha-1) + biological fertilize (10 ml per plant).
Keywords: Allium ascalonicum L., NPK, solid compost and biological fertilize
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