期刊名称：Revista Internacional de Contaminación Ambiental
印刷版ISSN：0188-4999
出版年度：1991
卷号：7
期号：1
页码：109
语种：Spanish
出版社：Centro de Ciencias de la Atmósfera
摘要：The efficiency of nitrogen fertilizer applied to rainfed rice (Campeche A-80) grown under the usual techniques followed by farmers in Chontalpa, Tabasco, Mexico, was evaluated during 1989 in 12 experimental sites located in six locations.
其他摘要：The efficiency of nitrogen fertilizer applied to rainfed rice(Campeche A-80) grown under the usual techniques followed byfarmers in Chontalpa, Tabasco, Mexico, was evaluated during 1989in 12 experimental sites located in six locations.
