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題名 | 不同有機資材及通氣量對堆肥中營養要素之影響 |
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作者 | 蔡宜峰; 黃祥慶; | 書刊名 | 臺中區農業改良場研究彙報 |
卷期 | 43 1994.06[民83.06] |
頁次 | 頁25-33 |
分類號 | 434.231 |
關鍵詞 | 有機資材; 通氣; 營養要素成分; 堆肥; Organic waste; Aeration; Nutrients; Compost; |
語文 | 中文(Chinese) |
中文摘要 | 為探究碳、氮、磷、鉀等營養要素在有機物堆肥化過程中之變化,以 期能依不同有機物之特性,使製成堆肥的養分供應潛能適合不同作物之養分需 求。本研究利用多種不同有機廢棄物為堆肥資材,實施二種不同堆肥配方處理 (A:雞糞-木屑-稻桿,B:牛糞-木屑-稻桿)及通氣量處理三級(a:6.6±0.5 l/min,b:13.8±0.9 l/min,c:25.4±1.9 l/min)等試驗。試驗結果顯示,堆肥化過程中 碳成分濃度下降,氮、磷及鉀成分濃度呈上昇。以木屑及稻草為碳源,在以牛糞 為氮源時,堆肥化中氮的損失率約31.4%,碳的損失率約58.7%,乾物損失率為 48.8%。如以雞糞為氮源時,堆肥化中氮的損失率約37.1%,碳的損失率約64.9%, 乾物損失率為52.1%。同樣以雞糞為氮源下,在堆肥化中持續實施通氣處理,則 氮的平均損失率約為22%,碳的平均損失率為61.6%。堆肥化中磷和鉀的損失率 在誤差變異內,可視為在堆肥化過程中無損失。 |
英文摘要 | In order to control the nutrients contents in composts derived from organic wastes, it is neceessary to understand the changes of C, N, P and K during composting. Experiments with two ingredients (A: chicken-sawdust-rice straw, B: dairy-sawdust- rice straw) and three aeration rates (6.6±0.5 l/min, 13.8±0.9 l/min, and 25.4±1.9 l/min) were conducted to study the effects of organic wastes on the changes of C, N, P and K after composted. The results showed that the concentration of C decreased and the concentrations of N, P and K increased during composting. The loss rates of the total amounts of N, C and dry weight in compost were 31.4%, 58.7% and 48.8%, respestively, in B ingredient, and 37.1%, 64.9%, 52.1%, respestively, in A ingredient. Restults derived from aeration treatments showed that the loss rates of the total amounts of N and C were 22.0% and 61.6%. There were not significantly losses on the total amounts of P and K during composting. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。