Silva, Robson Rigão da, Maria da Graça Barros Sartori, and Cássio Arthur Wollmann. 2014. “RAINFALL RELATION AND YIELD OF SOYBEAN CROP IN THE MUNICIPALITY OF IBIRUBÁ-RS”. Revista Do Departamento De Geografia 27 (July): 296-314. https://doi.org/10.11606/rdg.v27i0.510.