Nota de contenido: |
The influence of climate on agriculture in the tropics.- Tropical vigetation.- Some social,economic and political factors offecting agriculture in the tropies.- Soil and water conservation.- Land clearing,drainge, ti llage and weed control.- Permanent systems Associatel with swamprice production.- Monoculture of perennical crops.- Natural grasslands and their management.- Cultivated fodder crops and pastures.- Clases of tropical livestock. |