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題 名 | 桶柑園放養土雞對土壤肥力、果實品質及經濟效益之影響=Effects of Ranching Native Chicken in Tankan Tangor Orchards on Soil Fertility, Fruit Quality and Economic Potential |
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作 者 | 施伯明; | 書刊名 | 桃園區農業改良場研究彙報 |
卷 期 | 75 2014.06[民103.06] |
頁 次 | 頁18-30 |
分類號 | 435.33 |
關鍵詞 | 放養密度; 有機質; 鋅; Ranching density; Organic matter; Zinc; |
語 文 | 中文(Chinese) |
中文摘要 | 果園放養家禽能啄食雜草及害蟲,且排泄物富含有機質及礦物質,可減少果園管 理人力及資材之投入。本研究於桶柑(Citrus tankan Hayata)果園放牧飼養不同密度 土雞(Gallus gallus domesticus),探討對土壤肥力、果實品質及整體收益之影響。土 雞放養16 週後,表土中pH 值以放養15 隻及20 隻處理較高,由放養前4.7 分別上升 至5.6 及5.4;有機質含量以放養20 隻最低;EC 值、磷、鉀及銅含量處理間差異不顯 著;鈣及鎂以放養15 隻及20 隻顯著高於放養10 隻及施用蔗渣堆肥處理,而放養處 理之鋅含量皆顯著高於蔗渣堆肥處理。底土中鈣、鎂及鋅含量以放養20 隻處理最高, pH 值、EC 值、有機質及其他元素含量則差異不顯著。桶柑果實以放養20 隻處理較 大且重,可溶性固形物12.5 o Brix 亦顯著高於蔗渣堆肥處理;果皮厚度及果汁率各處 理間差異不顯著;桶柑果實產量放養10 隻及20 隻處理顯著高於蔗渣堆肥處理。放養 收益以20 隻處理最高,生產費用主要為人工費、幼禽費及飼料費,可由雛雞開始飼 養以降低成本,但需注意土壤中鋅含量之累積。 |
英文摘要 | Ranching poultries in the orchard can potentially improve weed management and pest control. Poultry manure is rich in organic matter (OM) and nutrient content, which can reduce the need for external fertilizer input. This study aimed to investigate the effects of ranching native chicken (Gallus gallus domesticus) on soil fertility, fruit quality and income in tankan tangor (Citrus tankan Hayata) orchards. The pH value of the surface soil for ranching 15 (R15) and 20 native chickens (R20) treatments increased from 4.7 to 5.6 and 5.4, respectively, which were significantly higher than other treatments after 16 weeks ranching, whereas OM of R20 was the lowest. There were no significant different in electrical conductivity (EC) and the content of P, K, and Cu among all treatments. The content of Ca and Mg in R15 and R20 were higher than in R10 and bagasse compost (BC) treatment. The content of Zn increased among each ranching treatment but BC. In subsurface soil, the content of Ca, Mg and Zn of R20 treatment was the highest. No significant effects among treatments was noticed for soil pH, EC, OM and other mineral content. In R20 treatment, the fruit weight was heavier than other treatments, and the total soluble solids was 12.5 o Brix, higher than BC. No significant difference in peel thickness and juice yield among treatments were observed. Fruit yield in R10 and R20 were higher than BC. The income in R20 treatment was the highest. The major cost of production in ranching native chicken were man-labor, native chicken and feeds. Feed from feeder native chicken will decrease production cost. However, it should be careful with the increasing of soil Zn content. |
本系統中英文摘要資訊取自各篇刊載內容。