 | 136 páginas
An evaluation of mulches with two tropical tree species Erythrina poeppigiana ( Walpers ) O.F. Cook . and Gmelina arborea Rox . as nitrogen sources in the production of maíze Zea mays L. Tesis Mag . Sc . Turrialba , C.R. , Programa ... | |
 | Luis Alberto Camero - 1999 - 442 páginas
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. ) . Turrialba ( Costa Rica ) . 1984. 74 p . Ilus . Dat . num . | |
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QUINLAN , M. M. 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. ) . Thesis Mag . Sc . Turrialba , Costa Rica ... | |
 | Costa Rica) CATIE (Turrialba - 1989 - 202 páginas
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 . Turrialba , Costa Rica , UCR - CATIE . 74 p . | |
 | 1953 - 36 páginas
QUINLAN , M. ( 1984 ) Mulches from two tropical tree species Erythrina poeppigiana ( Walpers ) 0.F. Cook and Gmelina arborea Rox . as nitrogen sources in the production of maize ( Zea mays L. ) . Turrialba , Costa Rica . | |
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