TY  - BOOK
AU  - Walker,W.R.
ED  - Food and Agriculture Organization of the United Nations (Rome)
TI  - Guidelines for designing and evaluating surface irrigation systems
SN  - 9251028796
U1  - 631.9 
PY  - 1989///
CY  - Rome
PB  - FAO
KW  - Irrigation engineering
KW  - Irrigation
KW  - Evaluation
KW  - Water in agriculture
KW  - Management
KW  - Field experiments
N1  - Includes bibliographical references
ER  -