HUDSON, Norman W <br/><br/>
Soil and water conservation in semi-arid areas                                                                           

 - Rome                                                          FAO                                                           1987 
 - FAO .
<br/><br/><label>Subjects--Topical Terms: </label><br/> SOIL CONSERVATION | WATER CONSERVATION | SEMI-ARID ZONE | SOIL MANAGEMENT | SOIL IMPROVEMENT | SOIL SCIENCES | AGRICULTURE