Effectiveness application of fertilizer on maize: The case study of maize farmers in West Pasaman Regency

West Pasaman is one of the regencies in Sumatera which center maize. The aimed was to determine income and habits maize farmers using fertilizers, as well role fertilizers soil amendments increasing growth crops. This research carried out 2 experimental stages, first stage farmer interviews second a trial fertilizer types field factorial form, on various macro micro for Pioneer 32’s maize, including; Rock Phosphate (RP) (28% P2O5); Urea (46% N), Zeolite amendment micro-fertilizers are derived from Unitas Super's Liquid Fertilizer. comparison treatment plots, namely; 300 kg ha-1 NITROPHOSKA 200 + NITROPHOSKA. results this were presented bar chart. data statistically analyzed F test with significance level 5% further tested an LSD 5%. concluded that 50% already have incomes exceeding Regional Minimum Wage. There about 39% them applied 450 ha-1, 87.5% combination Urea+ PHOSKA, 12.5% PHOSKA only, added SP36, cultivation As result experiments, it determined most appropriate application 50 urea RP 100 ml L-1 liquid fertilizer.