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Thomas, Richard J.Craswell, E.T.[Integrated natural resource management: the approach of the soil, water and nutrient management program]Integrated natural resource management: the approach of the soil, water and nutrient management program

Soil productivity and sustainability depends on the building and/or conservation of an adequate and dynamic equilibrium between physical, chemical and biological properties and processes in the volume of soil explored by roots, so that there is no constraints in the availability of water and nutr...


Amézquita Collazos, EdgarSanz Scovino, José IgnacioThomas, Richard J.Vera, Raúl R.Hoyos, P.Molina López, Diego LuisChávez, Luis F.[Características estructurales de los suelos de los Llanos Orientales de Colombia sometidos a varios sistemas de manejo]Características estructurales de los suelos de los Llanos Orientales de Colombia sometidos a varios sistemas de manejo
Guimaraes, Elcio PerpétuoSanz Scovino, José IgnacioRao, Idupulapati M.Amézquita, María CristinaAmézquita Collazos, EdgarThomas, Richard J.[Agropastoral systems for the tropical savannas of Latin America]Agropastoral systems for the tropical savannas of Latin America
Neufeldt, HenryZech, W.Thomas, Richard J.[Introduction: sustainable land management for the oxisols of the Brazilian cerrados]Introduction: sustainable land management for the oxisols of the Brazilian cerrados

Thomas, Richard J.Ayarza, Miguel Angel[Sustainable land management for the oxisols of the Latin American savannas: dynamics of soil organic matter and indicators of soil quality]Sustainable land management for the oxisols of the Latin American savannas: dynamics of soil organic matter and indicators of soil quality
Thomas, Richard J.Rondón, Marco AntonioAmézquita Collazos, EdgarAyarza, Miguel AngelAsakawa, N.Friesen, Dennis K.[Overcoming soil constraints in Latin American Savannas: new approaches and potential trade-offs]Overcoming soil constraints in Latin American Savannas: new approaches and potential trade-offs
Amézquita Collazos, EdgarPreciado Pérez, LGArias, D.M.Friesen, Dennis K.Sanz Scovino, José IgnacioThomas, Richard J.[Soil physical characteristics under different land use systems and duration on the Colombian savannas = Caractéristiques physiques de sols des savanes de Colombie en fonction de leur mode de mise en valeur et de leur ancienneté]Soil physical characteristics under different land use systems and duration on the Colombian savannas = Caractéristiques physiques de sols des savanes de Colombie en fonction de leur mode de mise en valeur et de leur ancienneté

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