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Dissertation
ISBN: 9054856572 Year: 1997 Publisher: Wageningen : Landbouwuniversiteit Wageningen,
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cropping systems --- cropping systems --- Agropastoral systems --- Agropastoral systems --- Mixed farming --- Mixed farming --- Environmental impact --- Environmental impact --- soil fertility --- soil fertility --- Harvest index --- Harvest index --- Soil water regimes --- Soil water regimes --- Sustainable agriculture --- Sustainable agriculture --- Semiarid zones --- Semiarid zones --- Simulation models --- Simulation models --- Agro-ecosysteme --- Botswana --- Botswana --- Sahel --- Sahel --- West Africa --- West Africa --- Agro-ecosysteme
Book
ISBN: 9073348900 Year: 1997 Publisher: Wageningen : Agricultural University,
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Plante de culture --- Crops --- Nutrition des plantes --- plant nutrition --- Fertilisation --- Fertilizer application --- Besoin nutritionnel --- nutritional requirements --- Modèle --- Models --- Productivité --- Productivity --- Rendement --- Yields --- Diversification --- Jachère --- fallow --- nutriënten --- 631.559 --- 631.81.031 --- 631.816 --- Crop yields --- -Crops --- -Plant nutrients --- -Nutrients, Plant --- Plant growing media --- Agricultural crops --- Crop plants --- Farm crops --- Industrial crops --- Farm produce --- Plants, Cultivated --- Agronomy --- Crop science --- Plant products --- Field crops --- Yields, Crop --- Agricultural productivity --- Soil productivity --- Harvest yield --- Absorption, uptake of nutrients --- Application and distribution of fertilizers --- Mathematical models --- Nutrition --- -Mathematical models --- crop production --- nutrients --- -Harvest yield --- 631.816 Application and distribution of fertilizers --- 631.81.031 Absorption, uptake of nutrients --- 631.559 Harvest yield --- -631.816 Application and distribution of fertilizers --- Nutrients, Plant --- Plant nutrients --- Nutrition&delete& --- Von liebig --- Mitscherlich --- Liebscher --- Michaelis-menten
Dissertation
ISBN: 9054857374 Year: 1997 Publisher: Wageningen : Landbouwuniversiteit Wageningen,
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Solanum tuberosum --- Engrais azoté --- nitrogen fertilizers --- Fertilité du sol --- soil fertility --- Lessivage du sol --- Leaching --- Propriété physicochimique du sol --- soil chemicophysical properties --- Relation plante sol --- plant soil relations --- Variation saisonnière --- Seasonal variation --- Classification des terres --- Land classification --- Cartographie --- cartography --- 631.559 --- 631.47 --- 631.416.1 --- 519.2 --- Harvest yield --- Surveying, classification and utilization of land. Soil profiles. Litter. Humus. Topsoil. Subsoil etc. Micropedology --- Nitrogen --- Probability. Mathematical statistics --- Theses --- 519.2 Probability. Mathematical statistics --- 631.416.1 Nitrogen --- 631.47 Surveying, classification and utilization of land. Soil profiles. Litter. Humus. Topsoil. Subsoil etc. Micropedology --- 631.559 Harvest yield
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