頁籤選單縮合
題 名 | 水稻深水灌溉可行性之先期研究=Preliminary Study on the Feasibility of Deep Water Irrigation in Paddy Fields |
---|---|
作 者 | 甘俊二; 陳鈞華; 黃昱舜; | 書刊名 | 農業工程學報 |
卷 期 | 48:1 2002.03[民91.03] |
頁 次 | 頁1-9 |
分類號 | 434.111 |
關鍵詞 | 水稻深水栽培; 水稻深水灌溉; Paddy rice deep ponding cultivation; Paddy rice deep water irrigation; |
語 文 | 中文(Chinese) |
中文摘要 | 臺灣以「米」為主食,地處在亞熱帶區域,雨量充沛、高溫多濕,故在有水源之地不論平原或坡地,均盡量栽培水稻田。行政院農業委員會一直提倡種水政策,也是本著水田所具有之三生概念,主要為善用水田之蓄水滲透功能,利用現成之取水、引水灌溉系統,將多餘河川逕流水引入水田;或將休耕水田田埂加高,增加蓄水容量蓄積雨季降雨,藉土壤之透水性滲透補注地下水。水田休耕時,可盡量增加湛水深;種稻時,在不影響糧食生產的狀況下,提高湛水深度,所蓄積在水田面積中之水量,無形中就是水資源利用最佳的選擇來源。以臺灣目前現有水田面積35萬公頃,田間蓄水深度由6公分增加至25公分,所蓄存於農業水田內相當於有665,000,000立方公尺之水量。吸取日本水稻深水栽培的概念,在配合臺灣一般水稻種植,本實驗研究利用在臺大農場之滲漏計,分成A區(淺水)、B區(深水1)及C區(深水2)進行實驗性之研究探討。針對水稻不同生長期把淺水區及深水區控制不同之水深,藉由深水高度抑制其分蘗數多寡,在不影響糧食生產及水稻生育發展,藉由實驗佐證水稻深水灌溉之可行性,結合水資源之利用開創臺灣農業多功能之前景。 |
英文摘要 | Rice is a major food in Taiwan. In Taiwan it's full of rain: high temperature and the moist climate in subtropical zone. No matter what plains and sloping fields should cultivate paddy fields in the source of water. The Council of Agriculture in Executive Yuan always promotes the policy of ponding water in paddy fields which have the concept of three style functions. The main function of storage and seepage uses well in paddy fields that apply natural irrigation system of demanding water. It will induce excess river runoff to paddy fields or increase boundary highly for sabbath of paddy fields. It will increase storage volume in rainy season and permeate groundwater recharge by soil's permeability. Sabbath of paddy fields can increase water depth as possible. We can increase water depth when growing paddy rice without reducing foodstuff production condition. The water volume stored in paddy fields is the best choice of water resources. There are about 350 thousand Hectare paddy fields in Taiwan now and the storage of water depth in paddy fields increase to 25 centimeter from 6 centimeter. The water volume of storage in paddy fields have 665,000,000 cubic meter. This research refers to the experience of paddy rice on deep ponding cultivation in Japan and the concept of paddy fields growing in Taiwan. This search does experiments in Lysimeter of NTU and divides it into three parts, A(shallow water)、B(deep water 1) and C(deep water 2). And this research controls different water depth and tillers between the areas of shallow water and deep water in different growing periods of paddy rice. It can prove the feasibilty of paddy rice on deep water by experiments without foodstuff production and paddy rice reproductive development and then to combine with the utilization of water resources and to look into the prospect of agriculture in Taiwan. |
本系統中英文摘要資訊取自各篇刊載內容。