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| Trying to move water both ways in the west doesn't work out too well in most places. Typically you are putting in tile to lower a pearched water table. Generally speaking you wouldn't want water to push back up to the surface as that would push the minerals back up to the surface. Tile is also not generally installed in the same configuration as you would see in the corn belt. Typically the drains would be further apart and deeper and placed in rock to help intercept that pearched water table. Drip would be much cheaper and would give you a better application by having the tape along the seed row.
The only place in the west where drainage and irrigation are used together would be in the delta (Sacramento) where the fields are mainly peat and are lower than the river. The soil there doesn't have the same mineralization as you would find in the more arid regions. | |
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Tile in new Mexico
