Mulches from two tropical tree species Erythrina poeppigiana (Walpers) O.F. Cook and Gmelina arborea Rox. as nitrogen sources in the production of maize (Zea mays L.)
Tesis (Mag. Sc.) -- CATIE, Turrialba (Costa Rica) -- UCR, San José (Costa Rica), 1984
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| Format: | Tesis | 
| Language: | Inglés | 
| Published: | Universidad de Costa Rica (UCR), San José (Costa Rica) 
Centro Agronómico Tropical de Investigación y Enseñanza (CATIE)
    
      2014 | 
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| Online Access: | https://repositorio.catie.ac.cr/handle/11554/5360 | 
| Summary: | Tesis (Mag. Sc.) -- CATIE, Turrialba (Costa Rica) -- UCR, San José (Costa Rica), 1984 | 
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