頁籤選單縮合
題 名 | 栽植密度對桑葉產量及成份之影響 |
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作 者 | 林進財; 余錫金; 謝豐國; | 書刊名 | 中華農學會報 |
卷 期 | 167 1994.09[民83.09] |
頁 次 | 頁43-49 |
分類號 | 435.361 |
關鍵詞 | 桑樹; 栽植密度; 產葉量; 桑葉成份; Mulberry; Morus alba L. var. acidosa G.; Plant spacing; Yield; Composition; |
語 文 | 中文(Chinese) |
中文摘要 | 桑園栽植行株距分為1.5×0.6公尺(11,111株/公頃)、1.8×0.6公尺(9,259株/公頃)、1.5×0.75公尺(8,888株/公頃)、2.25×0.6公尺(7,407株/公頃)、1.8×0.75公尺(7,407株/公頃)、1.8×0.9公尺(6,172株/公頃,ck)等6種不同處理,栽培臺桑3號,配合全年修剪4次,採收調查4次,調查其單株農藝性狀及單位面積產量。結果,在春、夏、秋、冬四期中,除了新梢長外,新梢數、新梢量及葉量,較低密度栽植者均顯著高於高密度者;但是單位面積產量則相反,以栽植密度較高者為佳。桑葉成份分析結果,其乾物質與粗蛋白質之含量以1.8×0.9公尺之最低密度栽植者最高,並隨栽植密度之增加而降低,無氮抽出物含量則相反,以1.5×0.6公尺之高栽植密度者最高,低密度栽植?較低,粗脂肪、粗纖維及灰分含量,在不同栽植密度間則未有顯著之差異。 |
英文摘要 | Mulberry trees (Morus alba L. var. acidosa G. cv. Taisang 3) were grown in 1992-1993 with six spacing treatments, i.e., 1.5×0.6, 1.8×0.6, 1.5×0.75, 2.25×0.6, 1.8×0.75 and 1.8×0.9m. The plants were pruned and harvested four times during the 1-year experimental period and agronomic and yield traits were investigated. Experimental results indicated that on a per plant basis, the new shoot number, new shoot yield, and leaf yield increased as the plant spacing increased, whereas leaf yield per hectare was higher for the densely-planted treatments. The dry matter and crude protein contents in mulberry leaves showed a decreasing tendency as plant spacing decreased. On the other hand, spacing treatment did not exhibit any significant effect on the contents of crude fat, crude fiber, and total ash in mulberry leaves averaged over the four harvest season. |
本系統中英文摘要資訊取自各篇刊載內容。