2 factorial experiment arranged in the main cell type subplots (Split - Plot Design), 3 replications, main plot area 40 m2, area of 10 m2 subplots. The experiment consists of 16 formulation with 4 doses of nitrogen: 80, 100, 120 and 140 kg N / ha on the 5 tons of manure + 80 kg P2O5 / ha + 90 kg K2O; and with 4 densities: 70, 90, 110 and 130 kg of rice seeds / ha.
đang được dịch, vui lòng đợi..