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Agricultural techniques --- Eastern Province --- Fertilisation --- Fertilizer application --- Engrais --- fertilizers --- Petite entreprise --- small enterprises --- Engrais NPK --- NPK fertilizers --- Zambia --- 631.174 --- 631.11 <689.4> --- Fertilizers --- -Farms, Small --- -Small farms --- Small holdings (Agriculture) --- Small-scale agriculture --- Farms, Size of --- Family farms --- Artificial fertilizers --- Chemical fertilizers --- Crops --- Fertilisers --- Fertilization of soils --- Fertilizers and manures --- Field crops --- Soils --- Agricultural chemicals --- Plants --- Soil amendments --- Soil fertility --- Chemization --- Farms, farm properties and farming systems--Zambia. Noord-Rhodesië --- Fertilization --- Nutrition --- Farms, Small --- -Chemization --- 631.11 <689.4> Farms, farm properties and farming systems--Zambia. Noord-Rhodesië --- 631.174 Chemization --- -631.174 Chemization --- Small farms --- Population paysanne --- Population
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