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Ressource en sol --- Soil resources --- Affectation de ressources --- Resource allocation --- Utilisation des terres --- land use --- Classification --- classification --- Aménagement du territoire --- Land use planning --- Politique agricole --- Agricultural policies --- Environnement socioéconomique --- socioeconomic environment --- Iran République islamique --- Iran Islamic Republic --- 631.47 --- 631.111 --- 631.96 --- Surveying, classification and utilization of land. Soil profiles. Litter. Humus. Topsoil. Subsoil etc. Micropedology --- Farm location, site and land features (terrain) --- Types of plantation. Appraisal of site --- Theses --- 631.96 Types of plantation. Appraisal of site --- 631.111 Farm location, site and land features (terrain) --- 631.47 Surveying, classification and utilization of land. Soil profiles. Litter. Humus. Topsoil. Subsoil etc. Micropedology --- classification.

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Agriculture --- Soil degradation --- Soil fertility --- Environmental Sciences and Forestry. Soil Science --- Soil Fertility. --- 631.452 --- 631.458 --- 631.47 <213.5> --- 631.96 --- 631.96 Types of plantation. Appraisal of site --- Types of plantation. Appraisal of site --- 631.458 Impoverishment of soil. Soil exhaustion --- Impoverishment of soil. Soil exhaustion --- 631.452 Soil fertility --- Soils --- Fallowing --- Fertilizers --- Soil productivity --- Degradation, Soil --- Land degradation --- Farming --- Husbandry --- Industrial arts --- Life sciences --- Food supply --- Land use, Rural --- 631.47 <213.5> Surveying, classification and utilization of land. Soil profiles. Litter. Humus. Topsoil. Subsoil etc. Micropedology--Tropische zones. Tropen --- Surveying, classification and utilization of land. Soil profiles. Litter. Humus. Topsoil. Subsoil etc. Micropedology--Tropische zones. Tropen --- Fertilization --- Fertilizer movement --- Soil fertility - Tropics --- Soil degradation - Tropics --- Agriculture - Tropics - Case studies