不同期作菜豆施用有機肥料之效應

Responses of Common Bean on the Application of Organic Manures in Different Cropping Season

本研究目的在於探討春作及秋作菜豆（灰仁品種）在有機肥料處理下之生育及產量效應，試驗處理包括（A）施用腐熟堆肥10t/ha，（B）施用雞糞2t/ha及（C）對照處理，其中各參試處理皆配合施用化學肥料（N-F2O5-K2, 100-750-100公斤／公頃）。由試驗結果顯示，菜豆產量在不同處理間有顯著差異，其中在秋作或春作均以化學肥料配合施用有機肥料之A及B處理顯著的優於單施化學肥料之對照組C處理。施用有機肥料肥料處理對秋作菜豆營養生長期的株高及葉面積等生育特性有顯著效益，惟春作菜豆營養生長期的株高及葉面積等生育特性在不同肥料處理間差異不顯著。綜合不同期作共豆生育特性與產量之關係，其中秋作菜豆營養生長期的株高及葉面積等生育特性與菜豆產量之間有密切的關聯，而春作菜豆採收期的葉片營養要素含量與豆莢產量在不同肥料處理間有相似的變化趨勢，所以不同期作菜豆的生長特性在不同有機肥料處理下之效應顯然有所不同。

The objective of tins research was to assess the effects of organic manures on the growth and yield of common bean (Phaseolus Vulgaris L.) in different cropping season Field experiments were conducted with three treatments of application of A) maturated compost 10t/ha, B) chicken manure2t/ha, and C) control (no organic manure). All three treatments were given the same rate of chemical fertilizer in term of N-PO-KO at 100-75-110kg/ha, The results indicated that the yield of common bean was significantly affected by the application of organic manures in both spring and fall cropping seasons. The best yield was obtained with the treatment B, followed by the treatment A, and C. The plant height and leaf area of common bean at vegetative stage were significantly affected by the: application of organic manures at fall crop, but not at spring crop Positive correlation seemed to exist between the yield and plant height and leaf area at vegetive stage in fall crop. In spring crop, the yield of common bean from different treatments followed the same trend as the leaf nutrient status at harvest stage. Therefore, the growth responses of common bean to organic manures were significantly different in different cropping seasons.