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Agriculture --- Agriculture --- Agriculture --- Soil fertility --- Soil fertility --- Soil management --- Soil management --- Congresses. --- Research --- Congresses. --- Congresses. --- Congresses. --- Congresses. --- Congresses. --- Congresses. --- Landwirtschaftliche Versuchsstation Limburgerhof der BASF --- BASF Aktiengesellschaft --- Congresses. --- Congresses.

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Soil conservation --- Sediment control --- Soil erosion --- Accelerated erosion --- Soils --- Erosion --- Control of sediment --- Hydraulic engineering --- Conservation of soil --- Erosion control, Soil --- Soil erosion control --- Agricultural conservation --- Soil management --- Control --- Prevention --- Conservation

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After giving a brief history of tillage practices and implements used throughout the world dating back to ancient times, this book goes on to describe the basic soil mechanics techniques needed to calculate the forces developed in soil by simple-shaped cutting tools. The methods of measuring soil mechanical properties, water pressure in soil and shear rate effects are touched upon. A review is given of two and three dimensional soil cutting mathematical mechanics models to predict soil cutting forces and soil volumes disturbed by cutting and tillage tools, as well as the state-of-the-art of

Tillage --- Travail du sol --- Matériel --- Equipment --- 631.51 --- Bodem : scheuren --- Bodembewerking --- Cultivation of soils --- Soil cultivation --- Soil tillage --- Tilling --- Agricultural systems --- Agriculture --- Soil management --- No-tillage --- Soil preparation and ploughing --- 631.51 Soil preparation and ploughing --- Tillage. --- Soil mechanics. --- Earthmoving machinery. --- Earth moving machinery --- Earthmovers --- Construction equipment --- Soil engineering --- Soils --- Soils (Engineering) --- Geotechnical engineering --- Mechanics --- Foundations --- Soil physics --- Sols --- Préparation.

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Soil erosion --- -Accelerated erosion --- Soils --- Erosion --- Environmental protection. Environmental technology --- Third World: economic development problems --- Developing countries --- Land use --- Soil conservation --- Government policy --- resource management --- Érosion --- Soil degradation --- Poverty --- Economic policies --- Economic sociology --- Conservation of soil --- Erosion control, Soil --- Soil erosion control --- Agricultural conservation --- Soil management --- Accelerated erosion --- Land --- Land utilization --- Use of land --- Utilization of land --- Economics --- Land cover --- Landscape assessment --- NIMBY syndrome --- Control --- Prevention --- Conservation --- Utilisation du sol --- Sols --- Politique gouvernementale --- Erosion. --- Developing countries: economic development problems --- GEOGRAPHIE ZONALE --- PEDOLOGIE GENERALE --- PAYS EN VOIE DE DEVELOPPEMENT