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題 名 | 防治福壽螺用田間導水機具之研製 |
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作 者 | 王豐政; | 書刊名 | 農業工程學報 |
卷 期 | 33:1 1987.03[民76.03] |
頁 次 | 頁119-127 |
分類號 | 434.251 |
關鍵詞 | 田間; 防治; 福壽螺; 導水機; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究之田間導水灌溉機具包括兩部份,一部份為導水翼輪,其上覆以6~10目鐵絲網,另一部份為進水涵管,一起埋設於灌溉田間之入水口,其作用係藉著水流的力量,推動導水翼輪使之旋轉,以導引灌溉溝渠中之水流經涵管而進入田間,灌溉水中夾雜之福壽螺體及其卵塊、雜草及其種子,枯枝爛葉和其他雜物等,則隨著翼輪之旋轉及金屬鐵網之阻隔(金屬網覆於翼輪圓筒表面上一起旋轉),而被帶往下游,以免阻窒灌溉水之進入,而確實達到防止福壽螺危害田間作物之目的。 根據田間試驗觀察可得到以下幾點理論: 1.本機具確可防止福壽螺及其卵塊、雜草及其種子和其他雜物等隨灌溉水進入水田。 2.一般防止福壽螺的灌溉方式係在進水口加裝金屬鐵網,由於易被灌溉水中夾雜物所堵塞,影響進水量,需人工隨時去除,不但灌溉費時,且浪費人工。 3.本灌溉機具具有與翼輪一起旋轉之金屬鐵網,灌溉絕無堵塞情形,能連續進水,在相同之灌溉條件下,較一般之灌溉方式省時、省工。 4.經初步觀察發現翼輪裝設在灌溉溝渠之位置、葉片之形狀和角度以及流速等,皆會影響翼輪之轉動性和進水量。 |
英文摘要 | Apple snail (Pomacea lineata; Spix) is one kind of giant injurious snails in water. Because of its strong propagation and rapid growth, today all around the rivers and canals it can be discovered in Taiwan. Its damage on paddy rice is especially serious at the period of rice seedling up to 14 days after transplanted. For the purpose to control the apple snail from irrigation waterway into the paddy field, an implement witch constructed by a water wheel with a wire net covered on it rotating in a PVC pipe conduit was developed. According to the field testing observation, it showed some conclusions as follows: 1.The rotating net drum implement could hold up exactly the apple snail, its eggs, those uprooted weeds or grasses, withered laves and other dirts from irrigation waterway into the paddy fields. 2.No any obstruction happened during it was working at the entrance of irrigation waterway, so it was much more labor-saving and time-saving than the traditional irrigation method done by afixed wire net at the irrigation waterway entrance. 3.The settled location, the shape and the blade angle of the water wheel and water flow velocity could affect the rotating characteristics and the charged quantity of water wheel. |
本系統中英文摘要資訊取自各篇刊載內容。