TY  - BOOK
TI  - Drainage Manual : A Water Resources Technical Publication
U1  - 627.5 
PY  - 1978///
CY  - New Delhi : 
PB  - Oxford & IBH Publishing Company , 
N1  - A guide to integrating plant, soil, and water relationships for drainage of irrigated lands; 1 INTRODUCTION 2 BASIC DATA 3 FIELD AND LABORATORY PROCEDURES       A . IN-PLACE HYDRAULIC CONDUCTIVITY TESTSBELOW A WATER TABLE        B. IN-PLACE HYDRAULIC CONDUCTIVITY TESTSABOVE A WATER TABLE        C. LABORATORY TESTS FOR HYDRAULIC CONDUCTIVITY.        D. OBSERVATION HOLES AND PIEZOMETERS  4 DRAINAGE INVESTIGATIONS 5 DESIGN AND CONSTRUCTION     A. SPACING OF DRAINS      B. INTERCEPTOR DRAINS.      C.OPENDRAINS      D. PIPE DRAINS      E. SPECIAL DRAIN TYPES      F. INVESTIGATION AND LAYOUT FOR DRAINS . 6 OPERATION AND MAINTENANCE OF DRAINAGE SYSTEMS 7 SPECIAL DRAINAGE PROBLEMS
ER  -