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Biology --- Biologie --- Periodicals. --- Périodiques --- Zone tropicale --- Tropical zones --- Écologie --- ecology --- Biologie. --- JEX6 --- Periodicals --- Environmental Sciences --- Life Sciences --- Biodiversity --- Conservation --- Ecosystems & Ecology --- Evolutionary Studies --- USA --- bimonthly --- current periodical --- societies --- tropical biology --- Life sciences --- Biomass --- Life (Biology) --- Natural history

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Economic relations. Trade --- Africa --- Oceania with Australia --- Tropics --- Economic conditions --- Zone tropicale --- Tropical zones --- Zone méditerranéenne --- Mediterranean zone --- Marché des produits de base --- Commodity markets --- Commerce international --- International trade --- Secteur agricole --- agricultural sector --- Production --- Produit agricole --- Agricultural products --- Afrique

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Vertisols, one of the eleven established soil orders, are clay soils with unusual and interesting properties. They cover more than 350 million hectares of land in the world and in tropical Africa alone there are over 100 million hectares. Because of their very small particle size and high surface area, these soils have higher physical and chemical reactivity than other soils. Their interaction with agrochemicals/industrial wastes, has been, increasingly, the subject of research especially in the last two decades. Vertisols create special problems when used for engineering purposes. This book is intended to provide comprehensive and state-of-the-art information about Vertisols worldwide. Special attention is given to the use and management of soils such as fertilizer use, crop selection, soil tillage, water restriction on land including irrigation, and soil erosion. A special chapter has been added to deal with geotechnical engineering of Vertisols. Vertisols have great potential for agricultural production but many, especially in the developing world, are underutilized due to a lack of understanding regarding their behaviour and management. This book is written by leading scientists worldwide. It is expected that this monograph will be of great use to soil scientists and agronomists, graduate and senior graduate students. Improvement of their management may solve the current food deficiency in the world.

Vertisols --- Vertisols --- soil genesis --- soil genesis --- classification. --- classification --- soil chemicophysical properties --- soil chemicophysical properties --- soil morphological features --- soil morphological features --- Soil water regimes --- Soil water regimes --- Water resources --- Water resources --- resource management --- resource management --- Erosion. --- Erosion --- Oryza --- Oryza --- Upland rice --- Upland rice --- Wetland rice --- Wetland rice --- Cultivation --- Cultivation --- Geographical distribution --- Geographical distribution --- Tropical zones --- Tropical zones --- Cold zones --- Cold zones --- USA --- USA --- India --- India --- Australia --- Australia --- Africa --- Africa --- Caribbean --- Caribbean

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Pharmacognosy --- Botany --- Africa --- Materia medica, Vegetable --- Medicinal plants --- Medicine, Traditional --- Plants, Medicinal --- Handbooks, manuals, etc --- handbooks --- Zone tropicale --- Tropical zones --- Plante médicinale --- Drug plants --- Phytoécologie --- plant ecology --- Pharmacologie --- Pharmacology --- Biogéographie --- Biogeography --- Afrique --- ETH Ethnobotany & Economic botany --- medicinal plants --- handbooks. --- Medicine, Traditional - Africa - handbooks --- Plants, Medicinal - Africa --- Materia medica, Vegetable - Africa - Handbooks, manuals, etc --- Medicinal plants - Africa - Handbooks, manuals, etc

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1 Vol. (4 Nos) / year. Revue de géographie de Bordeaux et de l'Atlantique

Geography --- Géographie --- Periodicals --- Périodiques --- France --- Colonies --- Regionale geografie --- Zone tropicale --- Tropical zones --- Regionale geografie. --- French colonies. --- Geography. --- #TS:WBIB --- Earth Sciences --- duplicates available --- current periodical --- general geography --- tropical regions --- Géographie --- Périodiques --- CAIRN-E EJGEOGR EJTERRE EPUB-ALPHA-C EPUB-PER-FT PERSEE-E REVORG-E --- Periodicals. --- French colonies --- Geography - Periodicals --- France - Colonies - Periodicals