0 0 USA OPEN PAN EVAPORIMETER (WITHOUT COVER)
1 1 USA OPEN PAN EVAPORIMETER (MESH COVERED)
2 2 GGI-300 EVAPORIMETER (SUNKEN)
3 3 20 M**2 TANK
4 4 OTHERS
5 5 RICE
6 6 WHEAT
7 7 MAIZE
8 8 SORGHUM
9 9 OTHER CROPS
15 15 MISSING VALUE
