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633.18 --- 631.417 --- 631.86 --- Rices. Oryza --- Organic chemistry of soil --- Organic manures in general. Fertilizers of biological origin --- 631.86 Organic manures in general. Fertilizers of biological origin --- 631.417 Organic chemistry of soil --- 633.18 Rices. Oryza --- Organic fertilizers --- Organic fertilizers. --- Rice --- Rice. --- Fertilizers --- Fertilizers.

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Soil Organic Matter

Pedology --- Humus --- Humus. --- Soil chemistry. --- 631.417 --- #ABIB:altk --- 631.417 Organic chemistry of soil --- Organic chemistry of soil --- Mold, Vegetable --- Mould, Vegetable --- Muck --- Organic matter in soil --- Soil organic matter --- Soils --- Vegetable mold --- Histosols --- Organic fertilizers --- Compost --- Plant litter --- Organic matter --- Soil science. --- Pedology (Soil science) --- Agriculture --- Earth sciences

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Radioactiviteit --- Geologie --- Humus --- -Soil productivity --- -Soils --- -631.417 --- Earth (Soils) --- Mold, Vegetable --- Mould, Vegetable --- Soil --- Vegetable mold --- Agricultural resources --- Plant growing media --- Regolith --- Land capability for agriculture --- Productivity, Soil --- Agricultural productivity --- Crop yields --- Crops and soils --- Plant-soil relationships --- Soil fertility --- Soil management --- Muck --- Organic matter in soil --- Soil organic matter --- Soils --- Histosols --- Organic fertilizers --- Compost --- Plant litter --- Radioactivité --- Géologie --- Congresses --- Nitrogen content --- -Congresses --- Organic chemistry of soil --- Organic matter --- Composition --- Conferences - Meetings --- 631.417 Organic chemistry of soil --- Soil productivity --- Sols --- Productivité --- Teneur en azote --- Report --- Humus. --- Productivité. --- Teneur en azote.

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630*26 --- 631.452 --- 631.46 --- 631.417 --- 631.417 Organic chemistry of soil --- Organic chemistry of soil --- 631.46 Soil bacteriology. Soil biology --- Soil bacteriology. Soil biology --- 631.452 Soil fertility --- Soil fertility --- 630*26 Combinations of forestry with agriculture and pastoral husbandry. Irrigated and floodland forests. Shelterbelts etc. and their treatment. Agroforestry --- Combinations of forestry with agriculture and pastoral husbandry. Irrigated and floodland forests. Shelterbelts etc. and their treatment. Agroforestry --- Agroforestry --- Soils --- Fallowing --- Fertilizers --- Soil productivity --- Agro-forestry --- Agriculture --- Forests and forestry --- Tree crops --- Research --- Fertilization --- Fertilizer movement

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Soils --- Soil science --- Agriculture --- Matière organique --- organic matter --- Sol tropical --- Tropical soils --- Agriculture durable --- Sustainable agriculture --- 631.417 --- 631.151.6 --- 631.11 <213.5> --- 631.81.036 --- -Soil science --- -Academic collection --- Farming --- Husbandry --- Industrial arts --- Life sciences --- Food supply --- Land use, Rural --- Pedology (Soil science) --- Earth sciences --- Earth (Soils) --- Mold, Vegetable --- Mould, Vegetable --- Soil --- Vegetable mold --- Agricultural resources --- Plant growing media --- Regolith --- Land capability for agriculture --- Organic chemistry of soil --- Integrated farm production systems. Sustainable agriculture --- Farms, farm properties and farming systems--Tropische zones. Tropen --- Biodynamic processes. Soil-plant interactions --- Conferences - Meetings --- Soil science. --- Basic Sciences. Agriculture --- Tropical Agriculture --- 631.81.036 Biodynamic processes. Soil-plant interactions --- 631.11 <213.5> Farms, farm properties and farming systems--Tropische zones. Tropen --- 631.151.6 Integrated farm production systems. Sustainable agriculture --- 631.417 Organic chemistry of soil --- Tropical Agriculture. --- Academic collection --- Tropical agriculture --- Soils - Tropics --- Agriculture - Tropics