Final Report Subsurface Drip Irrigation Systems ...（最终报告地下滴灌系统u2026u2026）.pdfVIP

Final Report Subsurface Drip Irrigation Systems: Assessment and Development of Best Management Practices PIs: Drew W. Johnson and George F. Vance. Project Duration: 03/01/2003 – 02/28/2006 Project Overview: Microirrigation such as subsurface drip irrigation (SDI) has many advantages for agriculture and the environment. However, many theoretical and design problems related to the application of SDI need further study. For example, how do we quantitatively describe the interrelationships among soil, water and plant? This research project addresses these concerns and provides answers to questions related to irrigation techniques and water-use efficiency. Initial objectives of the research were to: 1: Compare traditional flood irrigation with an innovative SDI method. 2: Develop BMP for SDI to optimize crop productivity and profits, maximize water-use efficiency, and minimize groundwater contamination. Project modifications were necessary during the study. The project field study was originally designed to take place at the Midvale irrigation district of Wyoming, however, because the original collaborator identified in the proposal was no longer willing to assist with the project as originally planned and other potential collaborators were only interested in performing the study on a large scale, the field study was changed and occurred at the University of Wyoming’s Experimental farm in west Laramie. The Water Research Program (WRP) was notified that the field site had been moved in the 1st year project update. The necessary relocation of SDI study site impacted activities related to project objective 1. The relocation site lacked acces