Chemale, V.M. <br/><br/>
Avaliacao de cultivares de soja [Glycine max (L.)Merrill)em competicao com Euphorbia heterophylla L. sob tres densidades e dois periodos de ocorrencia [erva daninha, Rio Grande do Sul, Brasil] 
 [Evaluation of soybean cultivars (Glycine max (L.)Merrill)in competition with Euphorbia heterophylla L. in three densities and two competition periods [weed, Rio Grande do Sul, Brazil]] 

 - Porto Alegre, RS (Brasil):   1982.  
 - 98 p. 
<br/><br/> 20 tables; 4 graphs; Bibliography p. 73-79 (74 ref.); Summaries (Eng, Por) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ERVA DANINHA<br/>SOJA<br/>RIO GRANDE DO SUL