MinuteEarth

To learn more about this topic, start your googling with these keywords: Waterlog - to saturate (a field) with water; a problem for most crops Drainage - the removal of liquid (water) from an area Ditch - a narrow channel dug in the ground, typically used for drainage alongside a road or the edge of a field Drain tile - a pipe buried (beneath a field) for drainage. Originally made of ceramic tiles, now typically of corrugated plastic Precision agriculture - putting corn seed + small dose of fertilizer/pesticides in hole in ground Controlled drainage - the use of a water control structure to raise the depth of a drain tile outlet to hold water in the field when drainage isn't needed Wood chip bioreactor - an underground trench filled with wood chips that provide carbon for bacteria that denitrify the water flowing through it Saturated buffer - a strip on the edge of a field filled with plants & bacteria that can remove some nitrogen from the water flowing onto it from drain tiles De