rates and tile drain spacing (SDRAIN) and depths (DDRAIN) on nitrate-nitrogen (NO3-N) losses through tile drains. Monitoring … achieved with reduction in the N application rates than with changing the tile drain spacing and depth. Reductions in NO3-N …

parameters of the area because of less seepage from the stream. The study also reveals that adoption of 7 m drain spacing is very … plot subsurface drainage characteristic curves of the swamp. These curves are useful to directly read the drain spacing and … of drain spacing to drain depth can be a decisive factor to select best combination of drain depth and drain spacing. For …