Occurring status of disease, pest and weed and developing countermeasure of agricultural chemical in Guangdong[J]. Guangdong Agricultural Sciences, 2001, (6): 29-32. DOI: 10.3969/j.issn.1004-874X.2001.06.013
            
            
                
                    | Citation: | Occurring status of disease, pest and weed and developing countermeasure of agricultural chemical in Guangdong[J]. Guangdong Agricultural Sciences, 2001, (6): 29-32. DOI: 10.3969/j.issn.1004-874X.2001.06.013 | 
            
         
        
            
                Occurring status of disease, pest and weed and developing countermeasure of agricultural chemical in Guangdong[J]. Guangdong Agricultural Sciences, 2001, (6): 29-32. DOI: 10.3969/j.issn.1004-874X.2001.06.013
            
            
                
                    | Citation: | Occurring status of disease, pest and weed and developing countermeasure of agricultural chemical in Guangdong[J]. Guangdong Agricultural Sciences, 2001, (6): 29-32. DOI: 10.3969/j.issn.1004-874X.2001.06.013 |