Humic substances in soil and crop sciences : selected readings : proceedings of a symposium cosponsored by the International Humic Substances Society; Divisions S-3, S-2, S-4, S-5, and S-7 of the Soil Science Society of America; Divisions A-I and A-5 ofthe American Society of Agronomy; and Divisions C-2 and C-3 of the Crop Science Society of America, Chicago, Illinois, 2 December 1985. /
Autor principal: | |
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Otros Autores: | , , , , , , , , , , , , , |
Formato: | Libro |
Lenguaje: | English |
Publicado: |
Madison, Wisconsin, USA :
American Society of Agronomy, Inc.,
1990.
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Materias: |
Sistema de Bibliotecas de la Universidad de Costa Rica
Número de Clasificación: |
631.417 |
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Copia | Disponible |