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3
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Surface irrigation / by L.J. Booher.
- FAO,
- 1976.
- Rome :
-
Drainage testing / by P.J. Dieleman, B.D. Trafford.
- FAO,
- 1976.
- Rome :
-
Agro-meteorological field stations / by J. Doorenbos ; prep. in consult. with the World meteorological organization.
- FAO,
- 1976.
- Rome :