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頁籤選單縮合
題 名 | 盤固草地改良方式之研究=The Study of Pangolagrass Pasture Improvement |
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作 者 | 林正斌; 張世融; 李姿蓉; 盧啟信; | 書刊名 | 畜產研究 |
卷 期 | 48:3 2015.09[民104.09] |
頁 次 | 頁234-242 |
分類號 | 437.113 |
關鍵詞 | 盤固草地; 改良; 豆科; Pangolagrass pasture; Improvement; Legume; |
語 文 | 中文(Chinese) |
中文摘要 | 為探討多年生盤固草(Digitaria decumbens Stent.) 栽種地改良的效益,本試驗利用種植超過10 年多年生盤固草地,分為兩組:非連續改良( 第1 年改良,第2 年不改良) 及連續二年改良( 第1 年改良,第2 年改良),每組處理則包括不改良之盤固草地為對照(CK)、施用有機肥(800 kg/ha) + 迴轉犛( 有迴)、每分鐘1600 轉迴轉犛( 迴)、青皮豆(Glycine max) (80 kg/ha) + 迴轉犛( 青迴) 及太陽麻(Crotalaria juncea L.) (40 kg/ha) + 迴轉犛( 太迴),小區行長50 公尺,寬2.5 公尺,試驗採逢機完全區集設計,3 重複。約每90天收穫一次,調查乾草產量、分析植體與土壤成分,並比較收穫七次之淨收益。結果顯示,乾草產量以非連續改良之青迴處理最高,達54.89 公噸/ 公頃,其次為太迴處理54.05 公噸/ 公頃,植物體成分以含有青皮豆或太陽麻之粗蛋白質較高外,其餘植物體成分及土壤成分處理間差異均不顯著。淨收入則以非連續改良之青迴處理較高,達146,592 元/ 公頃;連續二年改良雖以太迴處理之產量最高(54.81 公噸/ 公頃),高於CK 處理之52.72 公噸/ 公頃,但淨收入則仍以CK 之147,616 元/ 公頃最高。綜合上述結果,三年翻犛一次種植青皮豆之盤固草地較其他處理之淨收益高。 |
英文摘要 | The objective of this study was to determine the efficacy of improving methods for perennial pangolagrass (Digitaria decumbens Stent.) pasture grown more than 10 years. The different cultured methods including discontinued and continued improvement will test on next year. The efficient of recovering the forage yield, quality and soil fertility was evaluated after different treatments i. e., control (CK), organic fertilizer (800 kg/ha) with rotary cultivator (OFRC), rotary cultivator 1,600 rpm (RC), soybean (Glycine max) (80 kg/ha) with rotary cultivator (SRC) and sun hemp (Crotalaria juncea L.) (40 kg/ ha) with rotary cultivator (SHRC). Experiment field was designed with randomized completely block design (RCBD) and three repetitions. The results showed that the plant chemical contents of SRC or SHRC have higher crude protein than other treatments. Soil contents of treatments were not significantly different among all treatments. The yields of SRC treatment of discontinued improvement produced the highest forage yield of total seven harvests were 54.89 ton/ha among all treatments and followed by SHRC treatment was 54.05 ton/ha. The highest net income was NT$146,592 on SRC among all treatments of discontinued improvement. SHRC treatment had highest yield 54.81 ton/ha among all treatments on continued treatment, but the highest net income was 147,616 of CK treatment. Considering the net income, it might be suggested farmers employ the SRC treatment to pangolagrass pasture improvement. |
本系統中英文摘要資訊取自各篇刊載內容。