排出 发表于 2025-3-30 10:11:08
https://doi.org/10.1007/978-3-662-62292-6 (O&M) stage; (ii) understand possible shortcomings in the existing irrigation administration; (iii) understand the need and scope of command area development works; and (iv) critically examine the organizational structure for command area development works and learn possible improvements. Organizat痛得哭了 发表于 2025-3-30 15:37:20
Neurologische Krankheits- und Störungsbilderf existing farmers’ organizations. The role of NGOs in encouraging farmers’ participation is highlighted and illustrated with an example. Experience in several developing countries suggests that irrigation systems implemented on behalf of farmers and sponsored by farmer’s cooperative agencies have b洁净 发表于 2025-3-30 17:39:53
http://reply.papertrans.cn/23/2211/221032/221032_53.png填料 发表于 2025-3-30 22:20:14
http://reply.papertrans.cn/23/2211/221032/221032_54.pngIsthmus 发表于 2025-3-31 02:54:50
Befunderhebung und Therapiedurchführungtional delivery (known as Warabandi in northern India) allows the sharing of deficit water supply equitably and efficiently. The advantages of rotational delivery are explained. Parameters of rotational water delivery (water allowance, duty, stream size, rotation period etc.) are explained through a较早 发表于 2025-3-31 06:22:00
Befunderhebung und Therapiedurchführunges. Efficient water use for irrigation depends mainly on the reliable measurement of water. Flow in the canal needs to be measured at (i) the head of the main canal, branch, distributary, and minor (i.e., offtake points); (ii) at suitable intervals of main canals and branch canals; (iii) at offtakeBlazon 发表于 2025-3-31 12:14:25
https://doi.org/10.1007/b137535es of this chapter are to: gain knowledge of performance parameters related to the water conveyance system, on-farm system, and cropping system that impact agricultural production; understand the importance of these parameters; increase our understanding of a particular irrigation system as it operamechanical 发表于 2025-3-31 17:25:03
Befunderhebung und Therapiedurchführungative factors involved in the use of ground water in canal areas are explained. The scope of ground water use in canal commands includes natural and artificial recharge (monsoon canals), use of shallow or deep tube wells by farmers and by public agency for supplementary irrigation during periods ofIsthmus 发表于 2025-3-31 20:00:04
http://reply.papertrans.cn/23/2211/221032/221032_59.pngSTALL 发表于 2025-3-31 23:40:47
Befunderhebung und Therapiedurchführungcedures, and cover the maintenance aspects of dams, barrages, and gates. Structural and operation differences between a dam, a weir, and a barrage are explained. Examples on the checklist of items to be inspected are provided for the earth, masonry, and concrete dams, mechanical equipment and other