Sustainable High Yields on Poorly Drained Soils. For presentation: Water for Food Conference Lincoln, Nebraska May 1-3, 2011 R. Wayne Skaggs. Drainage in United States (Million Ha) Total Cropland 170 Cropland Requiring Drainage 43 (25%).
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
Water for Food Conference
May 1-3, 2011
R. Wayne Skaggs
Total Cropland 170
Cropland Requiring Drainage 43 (25%)
Cropland NeedingDrainage 500 Million Ha
(33% of Total Cropland)
All Cropland 500 (33%)
Irrigated Cropland 150 (55%)
Rainfed Cropland 350 (28%)
of streams for 1980-1996 Drainage Basin
Total Nitrogen (kg/ha/yr)
Drought stresses can be substantially reduced and yields increased by increasing root depths in poorly drained soils in humid regions