论文信息 - Drainage Main Rehabilitation in Iowa - 字舞流文

Drainage Main Rehabilitation in Iowa

M. Helmers | S. Melvin | D. Lemke

[1] Matthew J. Helmers,et al. Calibration and validation of DRAINMOD to design subsurface drainage systems for Iowa's tile landscapes , 2006 .

[2] M. Helmers,et al. Subsurface Drainage in Iowa and the Water Quality Benefits and Problem , 2004 .

[3] Howard P. Johnson,et al. Drainage Needs and Returns in North-Central Iowa , 1983 .