"Cultures et sols." . . "Gleboznawstwo Stany Zjednoczone." . . "Sols." . . "Jackson, L. E." . . "Cultures de plein champ Gestion États-Unis Problèmes et exercices." . . "Crecimiento (Plantas)" . . "Cultures de plein champ Gestion Étude et enseignement États-Unis." . . "Soil Science." . . "Farm management United States." . . "Soil conservation United States." . . "United States" . . "Céréales." . . "Sols Conservation." . . "Soils." . . . . . . . . . . . . . . . . . . . . . . . . "It is the primary object of this book in dealing with specific crops to present in a simple way the major operations that will enable the grower to grow and market his crops successfully." . "Crop management & soil conservation"@en . . . . "Crop management and soil conservation. [With bibliographical notes.]"@en . . . . . . . . . . . . . . . . "Crop management and soil conservation"@en . . "Crop management and soil conservation" . . . . . . . . . . . "Crop Management and Soil Conservation"@en . "Crop Management and Soil Conservation" . . . . . . . . . . "Crop Management and soil conservation" . . . . . . . . . . . . . . . . . "Sols Conservation États-Unis Problèmes et exercices." . . . . "Agririculture United States." . . "Cultures de plein champ Gestion." . . "Crop Management" . . "Crop management." . "Crop management-Soil conservation." . . "Sols Conservation Étude et enseignement États-Unis." . . "Agriculture." . . "Conservación de Suelos." . .