Resultados de búsqueda - "Plants, Effect of nitrogen on."

Nitrogen in crop production proceedings of a symposium held 25-27 May 1982 at Sheffield, Alabama

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Nitrogen and soil organic matter proceedings of a conference organized by the soil scientists of the National Agriculture Advisory Service, October 22nd-23rd 1964

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Nitrogen in agricultural soils /

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Mineral nitrogen in the plant-soil system / por Haynes, R. J.

Materias: “…Plants, Effect of nitrogen on.…”