主要作物施肥適量試驗(五)棉花施肥適量試驗

Abstract

民國43年到47年間在臺有等地舉行肥料三要素適量試驗，設有17處理，四重覆之田間設計，三要素之施用對增產影響經統計分析結果，氮、鉀兩要素肥效較顯著，棉花栽壤期間三要素施用適量訂為氮125，磷60，鉀125公斤/公頃。 The experiment on the optimum fertilizer ratio was conducted during 1954-1958 in some localitis in Tainan Randamized block design was adaptid with 17 treatment in four replication. The results shows that the effect of nitrogen and potash consparatively significant for the yield of cotton according to the statistical amalysis of the data. A recommendation concerning the optimum fertilizer for cotton in the district has been suggested as N 125 kg/ha, P2O5 60 kg/ha, and K2O 125 kg/ha.