000 00316 a2200121 4500
082 _a631.7
_bPRO
090 _c22158
_d34802
245 _aProceedings of the national on- farm water management seminar Sri Lanka
300 _a142p.
_c29cm
650 _aWater conservation
650 _aSpecific techniques
942 _cL
999 _c49557
_d49557