Biswas, Margaret R, <br/><br/>
Agriculture and environment :  a review, 1972-1992 

 -  1994 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Erosion<br/>Medio ambiente<br/>Pesticidas<br/>Tecnica de la revolucion verde<br/>Agricultura<br/>Deforestacion
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Suramerica<br/>Africa<br/>Europa<br/>Norteamerica