Su búsqueda retornó 7 resultados.
por Bonilla Juárez, Pedro Giovanni.
por Elias Osorio, Ronald Enshover.
por -- Proceedings of the Symposium on the Use and Aplication of Radioisotopes and Radiation in the Control of Plant and Animal Insect Pests.
por Singleton, W.R.
por -- Proceedings of the Symposium on the Use of Isotopes in Studies of Nitrogen Metabolism in the Soil-Plant-Animal System.
por -- Proceeding of a symposium on the use of isotope and radiation techniques in soil physics and irrigation studies.
por -- Symposium on the use of isotopes and radiation in soil-plant nutrition studies.
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