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題名 | 混植盤固草對培植尼羅草草地之影響=Effect of Planting Mixed with Pangolagrass on Establishment of Nilegrass Pasture |
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作 者 | 張世融; 梁玉玲; 林正斌; 許福星; | 書刊名 | 中華民國雜草學會會刊 |
卷期 | 30:1 2009.06[民98.06] |
頁次 | 頁51-61 |
分類號 | 434.4 |
關鍵詞 | 尼羅草; 盤固草; 混植; 牧草地建立; Nilegrass; Acroceras macrum; Pangolagrass; Digitaria decumbens; Mixed planting; Pasture establishment; |
語文 | 中文(Chinese) |
中文摘要 | 尼羅草(Acroceras macrum)台畜草1號,為新育成之高產量、粗蛋白質含量高、嗜口性佳的牧草品種。為提高國產牧草之產量、品質及利用率,有必要詳加評估尼羅草台畜草1號適當之培植利用方式,以推廣農民栽培利用。為瞭解不同季節,尼羅草與盤固草(Digitaria decumbens)混植對培植牧草及建立牧草地時雜草防治的可行性,本研究以尼羅草台畜草1號及盤固草A254為材料,於春、夏及秋季依照不同比例之莖苗量混植進行牧草地培植,探討尼羅草與盤固草混植對牧草地建立之影響。試驗結果顯示:以不同混合比例混植尼羅草與盤固草時,對於牧草地建立初期的雜草競爭力均較單獨培植尼羅草或盤固草高,但混植之效果因不同培植季節而異。春及夏季培植尼羅草時,對雜草的競爭力低於盤固草,牧草地建立初期的雜草比例偏高。但秋季培植尼羅草則牧草地建立較盤固草快。夏季培植牧草地時,隨著盤固草混植的比例提高,雜草比例可顯著被降低;但春秋兩季則無明顯效果。 |
英文摘要 | Objective of this study was to investigate the effect of planting mixed with pangolagrass (Digitaria decumbens) at different ratios on establishment of nilegrass (Acroceras macrum) pasture. Nilegrass CV Taishu No.1 was mixed-planted with pangolagrass line A254 at 0%, 25%, 50%, 75%, and 100%, respectively. The mixed planting of nilegrass and pangolagrass had higher competition ability to weed control during the early pasture establishment as compared to the pure stands of nilegrass and pangolagrass. Nilegrass had lower competition to weed control than pangolagrass did. It showed lower percents of forage in the pure stands of nilegrass during the early pasture establishment. The percents of forage in the pasture increased significantly with the ratio of pangolagrass increased in the mixed planting. The results showed that the mixed-planting between nilegrass and pangolagrass could accelerate the establishment of nilegrass pasture as compared to monoculture of nilegrass. |
本系統之摘要資訊系依該期刊論文摘要之資訊為主。