CD Skripsi
Pemberian Kombinasi Pupuk NPK, Kompos Solid dan Pupuk Hayati Mucuna bracteata terhadap Pertumbuhan dan Produksi Tanaman Bawang Merah (Allium ascalonicum L.)
Cultivating shallots in an environmentally friendly manner can be done with the application of biofertilizers so it is hoped that this can reduce the use of inorganic fertilizers. The effectiveness of bacteria in biofertilizer can be optimized by adding Mucuna bracteata. This research aims to find the best combination of sludge oil palm and biofertilizer added to M. bracteata to increase the growth and production of shallots, as well as reduce the use of NPK fertilizer. The research was carried out using a completely randomized design consisting of 8 treatments, namely P1 = 100% NPK, P2 = 75% NPK sludge oil palm + biofertilizer (without Mucuna bracteata), P3 = 75% NPK + sludge oil palm + biofertilizer (10% M. bracteata), P4 = 75% NPK + sludge oil palm + biofertilizer (7.5% M. bracteata), P5 = 75% NPK + sludge oil palm + biofertilizer (5% M. bracteata), P6 = 50% NPK + sludge oil palm + biofertilizer (10% M. bracteata), P7 = 50% NPK + sludge oil palm + biofertilizer (7.5% M. bracteata), P8 = 50% NPK + sludge oil palm + biofertilizer (5% M. bracteata). The results showed that the combination of 75% and 50% NPK fertilizer + sludge palm oil + biofertilizer (10% M. bracteata) had an influence on plant height, number of leaves, wet weight per m2 and weight of storable bulbs per m2 in shallot plants as well as able to reduce the use of NPK fertilizer by 25% to 50%.
Keywords : Mucuna bracteata, NPK fertilizer, shallots, sludge palm oil
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