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題 名 | 盆菊栽培介質CEC與物理性適宜值評估=Assessment of Optimum CEC Value and Physical Properties of Growth Media for Potted Chrysanthemum |
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作 者 | 羅秋雄; 王斐能; | 書刊名 | 桃園區農業改良場研究彙報 |
卷 期 | 45 2001.06[民90.06] |
頁 次 | 頁29-47 |
分類號 | 435.435 |
關鍵詞 | 盆菊; 栽培介質; 陽離子交換容量; 物理性質; Potted chrysanthemum; Growth media; CEC; Physical properties; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究之目的,在評估栽培介質之CEC及物理性質對盆菊養分吸收及生長的影響,以建立盆菊專用栽培介質CEC及物理性質之基準,提供花農調配栽培介質之依據,增進盆菊品質及商品價值。栽培介質材料為堆肥(牛糞:粉碎穀殼:金針菇木屑=1:2:2(v/v/v)混合堆積腐熟)、河砂及矽石。栽培介質pH及EC值(1:5)範圍在5.0-6.2及0.75-1.30dS/m之間。試驗結果顯示,栽培介質CEC、總孔隙度、容水量及保水力等理化性質對盆菊性狀均有不同程度的顯著影響。依據其影響程度界定盆菊栽培介質CEC、總孔隙度、容水量及保水力之最適範圍,分別為15-35cmole/kg、55%以上、80%以上及40-65%。 |
英文摘要 | This study was established to determine the criteria of CEC and physical properties of growth media to provide a proper formulation for potted chrysanthemum production. The media were made by mixing compost (cow dung, crushed rice hull and mushroom residue mixture with the ratio of 1:2:2 v/v/v), sand and expanded clay. The pH and EC value were between 5.0-6.2 and 0.785-1.30 dS/m, respectively. Assessments of optimum CEC and physical properties of growth media for potted chrysanthemum showed that the plant characters were affected to a certain extent by CEC, total porosity, water capacity and water-holding capacity of growth media. Based on crop response, the optimum conditions for the growth media were proposed for CEC 15-35 me/100g, total porosity above 55 %,water capacity above 80 % and water-holding capacity at 40-65 %. |
本系統中英文摘要資訊取自各篇刊載內容。