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Soil management --- Water efficiency --- Soil management. --- Water efficiency.
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Soil management --- Soil chemistry --- Soil chemistry. --- Soil management. --- Soils --- Soil science --- Agronomy --- Agricultural chemistry --- Geochemistry --- Management
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Tillage --- Soil management --- Soil conservation --- Sustainable agriculture --- Conservation tillage
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A practical manual explaining the basics of soil-plant relationships and the principles of fertilizer use.
Fertilizers --- Soil management --- Arid regions agriculture --- Soil fertility --- Soils --- Composition.
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Soils --- Soil and civilization --- Soil management --- Agriculture --- Earth & Environmental Sciences --- Agriculture - General --- Environmental aspects
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Cultivation --- Soil resources --- farming systems --- Resource allocation --- Resource conservation --- Sustainability --- Less favoured areas --- Soil management. --- Soil biology. --- Soil fertility. --- Soil ecology. --- Soil management --- Soil biology --- Soil fertility --- Soil ecology
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Soil management --- Sustainable agriculture --- Agricultural conservation --- Agricultural conservation. --- Soil management. --- Sustainable agriculture. --- Great Plains. --- Low-input agriculture --- Low-input sustainable agriculture --- Lower input agriculture --- Resource-efficient agriculture --- Sustainable farming --- Agriculture --- Alternative agriculture --- Soils --- Soil science --- Agronomy --- Agricultural resources conservation --- Conservation of agricultural resources --- Agricultural ecology --- Conservation of natural resources --- Environmental protection --- Land use, Rural --- Management --- Canada --- West United States
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Soil management --- Crops --- Agricultural productivity --- Agricultural productivity. --- Soil management. --- Management --- Management. --- Southern States. --- Soils --- Soil science --- Agronomy --- Productivity, Agricultural --- Agriculture --- Farm management --- Agricultural crops --- Crop plants --- Farm crops --- Industrial crops --- Farm produce --- Plants, Cultivated --- Crop science --- Plant products --- Economic aspects --- American South --- American Southeast --- Former Confederate States --- Southeast --- Southeast United States --- Southeastern States --- Southern United States --- The South --- U.S.
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