Laos - Plaine de Vientiane perimetre pilote d'irrigation - Rapport final

agricultura agriculture cereales cereals chimie du sol climatologia climatologie climatology conception design experimentation extension extension activities feed crops formation hortalizas (plantas) industrial crops irrigation plant production plantas forrajeras plantas industriales plante industrielle riego soil chemicophysical properties soil chemistry training uso del agua utilisation de l'eau vegetable crops vulgarisation water use