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頁籤選單縮合
題名 | 牛糞堆肥對甘藷農藝特性及生長反應之影響=The Effect of Cattle Dropping Compost Fertilizer on the Agronomic Characteristics and the Growth Reaction of Sweet Potato |
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作者姓名(中文) | 林維和; | 書刊名 | 桃園區農業改良場研究彙報 |
卷期 | 47 2001.12[民90.12] |
頁次 | 頁1-11 |
分類號 | 434.31 |
關鍵詞 | 牛糞堆肥; 農藝特性; 生長反應; 甘藷; Cattle dropping compost fertilizer; Agronomic characteristics; Growth reaction; Sweet potato; |
語文 | 中文(Chinese) |
中文摘要 | 為了探討牛糞堆肥施用對春夏作甘藷之農藝性狀及生長反應之影響,同時探討甘藷葉片之營養吸收情況,以供甘藷栽培之參考。試驗係1994年4月於桃園區農業改良場進行,試驗品種為甘藷「桃園1號」。採三種肥料處理分別為全化學肥料施用處理、全牛糞堆肥施用處理及半量牛糞堆肥與半量化肥混合施用處理。結果顯示甘藷生育後期地上部農藝性狀葉面積指數、葉乾物重、葉比重及全株地上部乾物重等表現以混合施用處理為最佳。甘藷生育後期塊根生長相關性狀中之甘藷塊根乾物重、全株乾物重及收穫指數等亦以混合施用處理表現最佳。生長分析結果顯示施用全牛糞堆肥甘藷生育後期地上部莖葉生長速率急降,但混合施用處理則維持地上部莖葉之生長活力。甘藷生育後期葉片營養成分分析顯示葉片中氮、磷酐、氧化鉀吸收均以牛糞堆肥施用處理較低。總之,甘藷之塊根產量及收穫指數以混合施用處理及牛糞堆肥施用處理之表現優於全化肥施用處理。甘藷栽培應施用牛糞堆肥以促進甘藷生長及增加甘藷塊根產量。 |
英文摘要 | In order to study the effect of cattle dropping compost fertilizer on the agronomic characteristics and the growth reaction of sweet potato, An experiment was conducted at Taoyuan DAIS in 1994. The sweet potato variety of experiment was "Taoyuan 1 ". There were three treatments: Chemical fertilizer treatment, cattle dropping compost treatment, and Mixed treatment with half of chemical fertilizer and half of cattle dropping compost. The experiment result indicated that the mixed treatment got the best performances of the late-stage of growth period of sweet potato on the upper plant characters of leaf index, dry leaf weight, specific leaf weight and dry weight of upper plant. The correlation characters of the sweet potato root tuber, like as dry weight of root tuber, total dry weight and harvest index, also showed the best performances on the mixed treatment. From the growth reaction analyses informed that the growth of vine and leaf declined rapidly on the late-stage growth period of sweet potato when only applied the cattle dropping compost. However, the high growth vigor of vine and leaf were maintained until the late-stage growth period of sweet potato on the mixed treatment. Due to the analyses of nutrient contents of sweet potato leaf, we found that N, P 2 O 5 and K2O contents in the leaf of sweet potato on the cattle dropping compost treatment were less than those on the other two treatments. In conclusion, the performances of dry weight of root tuber and harvest index of sweet potato on the treatments both by applying whole cattle dropping compost and by applying half cattle dropping compost were better than by applying chemical fertilizer only. We suggest that applying the cattle dropping compost to cultivate sweet potato is the way to enhance the plant growth and root tuber yield of sweet potato. |
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