Click on “Download PDF” for the PDF version or on the title for the HTML version.
If you are not an ASABE member or if your employer has not arranged for access to the full-text, Click here for options.
Simulation of Spring Wheat Response to Subsurface Drainage in Northwest Minnesota
Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.orgCitation: Paper number 042279, 2004 ASAE Annual Meeting . (doi: 10.13031/2013.16454) @2004
Authors: Chang-xing Jin, Gary R. Sands
Keywords: Long-term simulation, crop yield reduction, northwest Minnesota
Log-term simulation was performed using DRAINMOD v5.1 to study the impact of subsurface drainage on spring wheat yield in a Vallers soil at Brooks, northwest Minnesota. The result shows that drainage is effective in ensuring wheat harvest by reducing the days of waterlogging (excess water) and plant delay, the two main causes of yield reduction in northwest Minnesota. Without drainage, the average annual yield of wheat was only 65% of the potential yield, over the 100-yr simulation period. With subsurface drainage, the average annual yield increased to 78-82% of the potential yield. Drainage also increased the wheat resistance to drought and reduced drought yield reduction through enhancing the development of root systems in early growth stages. Concentrated precipitations that occurred during planting time caused plant delay and were primarily responsible for simulated yield losses.(Download PDF) (Export to EndNotes)