AUIRRI - Controls application of automatic irrigation:
0 = automatic irrigation is off
1 = irrigate to field capacity
2 = irrigate with a specified amount of water applied
3 = irrigate to field capacity plus PET
Valid Values: 0, 1, 2, or 3
FAWHC - Fraction of available water holding capacity below which automatic irrigation will be used when AUIRRI is set to 1 or 2.
Valid Range: 0.0 to 1.0
IRRAMT - Amount of water, in centimeters (cm), to apply regardless of soil water status.
Valid Range: 0.0 to 9999.0
IRRAUT - Amount of water, in centimeters (cm), to apply automatically when AUIRRI is set to 2.
Valid Range: 0.0 to 9999.0