PROMOTING AGRICULTURE WATER EFFICIENCY IN POND IRRIGATION SYSTEM

• Main Authors: Pei-Chun Chou, 周珮淳
• Other Authors: none
• Format: Others
• Language: zh-TW
• Published: 2006
• Online Access: http://ndltd.ncl.edu.tw/handle/rb2p32

碩士 === 國立中央大學 === 土木工程研究所 === 94 === A pond irrigation system model which is capable of satisfying water demand in an area with canals, weirs and ponds is developed in Taoyuan County, located in northwest Taiwan in early twenty century. The purpose of this study is to investigate the possibility to reaccess the original function of this pond irrigation system by utilizing a system simulation model. It is shown that making fully use of the effective rainfall could cut down agricultural water demand and promoting the water usage efficiency in farmland. Furthermore, it can promote irrigation efficiency with the increasing of the capacity of critical water ponds. On the other hand, to adopt deep ponding irrigation method can also enhance the efficiency in utilizing rainfall and runoff. In other words, it makes paddy fields as reservoirs to store more rainfall to meet crop water requirement.