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題名 | 有機肥料對恆春山藥(Dioscorea doryophora Hance)生長及產量之影響=The Effects of Organic and Inorganic Fertilizers on the Growth and Yield of Herng-Chuen Yams, Dioscorea doryophora Hance |
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作者 | 許博文; 阮亞興; 顏秀峰; | 書刊名 | 國立屏東科技大學學報 |
卷期 | 9:2 2000.06[民89.06] |
頁次 | 頁103-107 |
分類號 | 434.3 |
關鍵詞 | 山藥; 有機肥料; 生長; 產量; Yams; Organic fertilizers; Growth; Yield; |
語文 | 中文(Chinese) |
中文摘要 | 為探討施用羊糞有機肥料對含有藥用成分diosgenin之恆春山藥(Dioscorea doryophora Hance)生產之影響,以野生之恆春山藥根莖(rhizome)為種苗,種植在從建材行購得之電木板所圍成1m高、寬之人工高畦上。栽培期間分別施用腐熟羊糞有機肥(20,000 kg/ha)及化學肥料(N: P2O5: K2O=147:144:120 kg/ha),每畦種植3行,株距20cm,3重複,分析二種處理之栽培土壤理化性、植株之農藝性狀及產量之差異。試驗結果顯示,每公頃施用20,000kg之腐熟羊糞作基肥,植株生長良好,栽培8.5個月後平均每株可收穫根莖353g,一株之最大根莖重量為346g、最大根莖之直徑3.5cm。施用有機肥之公頃產量為23.3公噸,與一般施用化學肥料之生長及產量並無差別,顯示可利用有機農法生產恆春山藥。 |
英文摘要 | Yams, with its ingredient diosgenin being a good source of steroids, is a wild species in Pingtung area. To evaluate the effects of organic and inorganic fertilizers on the growth and yield of Herng-chuen yams (Dioscorea doryophora Hance), seedlings derived from rhizomes were used in the present study. Organic fertilizer in the form of goat manure was applied at a rate of 20,000 kg per hectare. Inorganic nitrogen, phosphorus and potassium fertilizers, acting as the control, were applied separately at rates of 147, 144 and 120 kg per hectare. The plants were harvested 8.5months after planting. The results showed that either organic or inorganic fertilizer gave Herng-chuen yams the same growth and yield. The yield of Herng-chuen yams was recorded at 23.3 metric tons per hectare in the present study. |
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