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1. Maize grain yield correlated responses to change in acid soil characteristics after 3 years of soil amendments

by The, C | Centro Internacional de Mejoramiento de Maiz y Trigo (CIMMYT) Kenya | 7. Proceedings of the Eastern and Southern Africa Regional Maize Conference Nairobi (Kenya) 5-11 Feb 2002 | Calba, H [coaut.] | Friesen, D.K.|Palmer, A.F.E [eds.] | Horts, W.J [coaut.] | Zonkeng, C [coaut.].

Material type: book Book Publisher: Nairobi (Kenya) KARI|CIMMYT : 2002Collection: CIMMYT Publications CollectionAvailability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library [Call number: 338.16 FRI] (1).

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2. Comparaison des resultats de determination de carence en phosphore par des tests biologiques et par une methode chimique (extraction par resine) dans les sols tropicaux

by Babre, D | Calba, H [coaut.] | Fallavier, P [coaut.] | Griere, L [coaut.] | Roche, P [coaut.].

Source: Comptes Rendus des Seances de l'Academie d'Agriculture de FranceMaterial type: article Article Publisher: 1980Other title: Comparison between results of determining phosphorus deficiency by biological tests and by a chemical method (resin extraction) in tropical soils.Collection: AGRIS CollectionAvailability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library [Call number: 81-605516] (1).

3. Phosphorus in tropical soil: Assessing deficiency levels and phosphorus requirements.

by Roche, P | Babre, D [coaut.] | Calba, H [coaut.] | Fallavier, P [coaut.] | Griere, L [coaut.].

Material type: book Book Publisher: Paris (France) : Institut Mondial du Phosphate (IMPHOS), 1980Collection: Reprints CollectionAvailability: Items available for loan: CIMMYT Knowledge Center: John Woolston Library [Call number: REP-7257] (1).

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Centro Internacional de Mejoramiento de Maíz y Trigo (CIMMYT) © Copyright 2015. Carretera México-Veracruz. Km. 45, El Batán, Texcoco, México, C.P. 56237.
Si tiene cualquier pregunta, contáctenos a CIMMYT-Knowledge-Center@cgiar.org