Hudson, Norman W
Soil and water conservation in semi-arid areas - New Delhi, Oxford & IBH publishing co. pvt. ltd 1987 - 170 - FAO soils bulletin No. 57 .
92-5-1026606-8
Soil- Water/ Soil conservation/ Soil science/ Semi-arid area-soil, water conservation/
631.49154 HUD
100
Soil and water conservation in semi-arid areas - New Delhi, Oxford & IBH publishing co. pvt. ltd 1987 - 170 - FAO soils bulletin No. 57 .
92-5-1026606-8
Soil- Water/ Soil conservation/ Soil science/ Semi-arid area-soil, water conservation/
631.49154 HUD
100