Conservation tillage practices improve soil health but it has been a challenge for growers to adopt no-till or strip till for field with high clay soil series like, Fargo Clay. Subsurface-tile drainage system favors excess soil moisture drainage and offers an opportunity to adopt conservation tillage practices. However, tile drain leads to loss of nutrients depending on tile spacing and depth. We are conducting two tile-drain experiments to determine, (1) whether we can adopt conservation tillage practices like, no-till/strip-till after tile installation and (2) how tile depth and spacing influence soybean yield and nutrient loss through tile. The experiment is located at Ron Holiday...
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