PENGARUH PENGGUNAAN PGPR DAN IMBANGAN PUPUK ORGANIK ANORGANIK TERHADAP HASIL DAN PEMBUNGAAN BAWANG MERAH

ABSTRACT This research aims to determine the effect of PGPR and the balance of fertilizer on flowering and shallot yield. Research conducted in May to August 2016 which was located in the paddy field of Gunung Miji Village, Jaten District, Karanganyar Regency. The study used Randomized Complete Block Design (RAKL) with two treatments, namely PGPR (no PGPR and using PGPR) and fertilizer balance (K1, k2, k3, k4, and k5) and each treatment was repeated 3 times. The variables observation consisted of growth, yield and flowering of shallot crops. Data were analyzed using F test at 5% level if there is significant effect then continued with DMRT test (Duncan Multiple Range Test). The results showed that interaction of using PGPR with organic and inorganic fertilizer balance did not give significant effect to plant growth, flowering of plants and shallot crop yield. The use of 100% organic fertilizer in onion cultivation replaces the role of 100% inorganic fertilizer without reducing plant height, leaf number, shallot flowering, tuber amount, and tuber yield. The use of PGPR has a significant effect on the number of flowers per bunches, seed weight per bunches, and seed weight per bunches