1. First principles of soil fertility

by Vivian, Alfred.

Type: book Book; Format: print available online remote; Literary form: not fiction Publisher: New York, O. Judd company; [etc., etc.] 1908Online Access: Click here to access online Availability: Copies available for loan: BCO [631.8.V858] (2). Actions: Add to cart
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2. Soil science in El Salvador, classification, fertility and conservation

by Newton, H.P; Duisberg, P.C. comps.). -- Centro Agronómico Tropical de Investigación y Enseñanza, Turrialba (Costa Rica) -- Reunión Técnica Regional sobre Fertilidad y Análogos de Suelos..

Publisher: Turrialba (Costa Rica). 1978. Availability: Copies available for loan: BCO (2). Actions: Add to cart
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3. Soil science in Honduras, classification, fertility and conservation

by Newton, H.P; Duisberg, P.C. comps.). -- Centro Agronómico Tropical de Investigación y Enseñanza, Turrialba (Costa Rica) -- Reunión técnica Regional sobre Fertilidad y Análogos de Suelos..

Publisher: Turrialba (Costa Rica). 1978. Availability: Copies available for loan: BCO (2). Actions: Add to cart
No cover image available