Pons, A.L. <br/><br/>
Fontes e usos de materia organica 
 [Sources and uses of organic matter] 

<br/><br/><label>Subjects--Topical Terms: </label><br/>MATERIA ORGANICA<br/>ADUBO ORGĀNICO<br/>ESTERCO<br/>NUTRIENTE<br/>ADUBO VERDE<br/>RESIDUO INDUSTRIAL