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The Role of the legume in the nitrogen cycle of productive and sustainable pastures by Thomas, Richard J.

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Sodicity-induced land degradation and its sustainable management: Problems and prospects by Qadir, Manzoor, Noble, A.D., Schubert, S., Thomas, Richard J., Arslan, A.

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Decomposition and nutrient release by green manures in a tropical hillside agroecosystem by Cobo Borrero, Juan G., Barrios, E., Kass, DCL, Thomas, Richard J.

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Earthworm communities in native savannas and man-made pastures of the Eastern Plains of Colombia by Jiménez Jaén, J.J., Moreno, Alonso, Decaëns, Thibaud, Lavelle, Patrick M., Fisher, Myles J., Thomas, Richard J.

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Evaluation of some physical properties of an oxisol after conversion of native savanna into legume-based or pure grass pastures by Gijsman, A.J., Thomas, Richard J.

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Carbon and nitrogen dynamics in ageing earthworm casts in grasslands of the eastern plains of Colombia by Decaëns, Thibaud, Rangel Becerra, Andrés Felipe, Asakawa, N., Thomas, Richard J.

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Indicators of soil quality: a South-South development of a methdological guide for linking local and technical knowledge by Barrios, E., Delve, Robert J., Bekunda, Mateete A., Mowo, J., Agunda, J, Ramisch, Joshua J., Trejo Tercero, M.T., Thomas, Richard J.

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Nitrogen mineralization and crop uptake from surface-applied leaves of green manure species on a tropical volcanic-ash soil by Cobo Borrero, Juan G., Barrios, E., Kass, DCL, Thomas, Richard J.

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Short range spatial variability of soil physico-chemical variables related to earthworm clustering in a Neotropical gallery forest by Jiménez, J.J., Decaëns, Thibaud, Amézquita Collazos, Edgar, Rao, Idupulapati M., Thomas, Richard J., Lavelle, Patrick M.

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The use of carbon isotope ratios to evaluate legume contribution to soil enhancement in tropical pastures by Rao, Idupulapati M., Ayarza, Miguel Angel, Thomas, Richard J.

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Use of deep-rooted tropical pastures to build-up an arable layer throught improvement soil properties of an oxisol in the Eastern Plains (Llanos Orientales) of Colombia by Amézquita Collazos, Edgar, Thomas, Richard J., Rao, Idupulapati M., Molina López, Diego Luis, Hoyos Garcés, Phanor

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Developing diagnostic and predictive tools to assist farmers and planners in watershed resource management decision making by Hyman, Glenn G., Barrios, E., Thomas, Richard J., Rubiano Mejía, Jorge Eliécer

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El arado natural: las comunidades de macroinvertebrados del suelo en las sabanas neotropicales de Colombia by Jiménez Jaén, J.J., Thomas, Richard J.

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Agropastoral systems for the tropical savannas of Latin America by Guimarães, Elcio Perpétuo, Sanz Scovino, José Ignacio, Rao, Idupulapati M., Amézquita, María Cristina, Amézquita Collazos, Edgar, Thomas, Richard J.

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Nature's plow: soil macroinvertebrate communities in the neotropical savannas of Colombia by Jiménez Jaén, J.J., Thomas, Richard J.

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Sustainable land management for the oxisols of the Latin American savannas: dynamics of soil organic matter and indicators of soil quality by Thomas, Richard J., Ayarza, Miguel Angel

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Catálogo de cepas de rizobio para leguminosas forrajeras tropicales by Franco D, MA, Ocampo, GI, Melo, E., Thomas, Richard J.

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Rhizobium requirements, nitrogen fixation, and nutrient cycling in forage Arachis by Thomas, Richard J.

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Requerimientos de Rhizobium, fijación de nitrógeno y reciclaje de nutrimentos en Arachis forrajero by Thomas, Richard J.

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Nutrient cycling and environmental impact of Brachiaria pastures by Boddey, Robert M., Rao, Idupulapati M., Thomas, Richard J.

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