Effect of legowo planting system and doses of cow manure on growth and yield of maize (Zea mays L.)

Increasing of maize productivity can be reched through using superior varieties BISI 18, aplication organic fertilizer, and regulation crop populations. This study was aimed to know the influence jajar legowo planting system (2:1) cow manure on growth yield maize. research conducted in Bualemo B, Bualemo, Banggai from July up October 2020. The experiment arranged Randomized Block Design with 2 factors, first factor is spacing (2:1), which consists 3 levels namely 70 x 25 cm (J1), 30 (J2), 35 (J3), second dose 8 tons/ha (K1), 9 (K2), 10 (K3). Each treatment had replications so there were 27 plots. results showed that combination has no effect height plants at 2, 4, 6 weeks after planting, as well number leaves, but giving planting. a real average weight cob very dry per plot. corn cobs about 239.67 grams manure. While grain highest it 212.56 ounces.