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題 名 | 添加生物碳對紅壤性質影響之探討=Investigation of Application with Biochar on the Red Soil Properties |
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作 者 | 林俐玲; 許靖男; 何俊賢; | 書刊名 | 水土保持學報 |
卷 期 | 45:2 2013.06[民102.06] |
頁 次 | 頁599-616 |
分類號 | 434.227 |
關鍵詞 | 土壤改良劑; 生物碳; 保水力; 保肥力; Soil amendment; Biochar; Water retention capacity; Fertility; |
語 文 | 中文(Chinese) |
中文摘要 | 由於地理位置與氣候之關係,導致台灣降雨集中、降雨強度大,又因地形之陡峻,容易造 成土壤沖蝕現象。在這樣的自然條件下,土壤中的營養元素容易流失,造成土壤劣化與酸化等 情形。本研究主要以生物碳作為土壤改良劑添加不同濃度(0%、1%、5%及10%)之生物探於紅 壤中進行改良,探討改良後土壤之基本性質是否更有助於作物生長。結果顯示生物碳在高濃度 時對於紅壤之保水能力有明顯之提升,在低濃度時則與對照組無明顯之差異;對於保肥能力而 言,在添加濃度為1%之土壤陽離子交換能量有明顯上升之趨勢,因此能夠保存更多營養鹽, 有助於作物之生長。在高濃度時,零電點反而有上升之情形,使得陽離子交換能量有下降之情 形,對作物生長較無助益。 |
英文摘要 | The rainfall in Taiwan was concentrated and strong due to the location and climate. It’s easily to trigger erosion because of the steep terrain. In this conditions, the nutrient minerals in soil would be eroded and transform the soil into acidic status. This study was taking the biochar as soil amendment to improve the soil characteristics. And to observe whether it could contribute to crop growth. The results shown that the water retention with high biochar concentration were higherthan low concentration. The CEC with 1% biochar was higher compared to other treatments and thus could provide more nutrient minerals for crops. The zero point of charge( 0 pH ) with high biochar concentration increased and thus made the CEC become lower than control group(0%). |
本系統中英文摘要資訊取自各篇刊載內容。