Peru - Irrigation of the pampas de Olmos - Part 2, field surveys and studies - Vol 6, agriculture and agricultural experimentation.

agricultura agriculture arroz besoin en eau coton cotton cultivos alimenticios cultural methods drainage drenaje evapotranspiration experimentation fertilisation fertilizer application food crops fruit crops frutales furrow irrigation hortalizas (plantas) industrial crops irrigation methods irrigation systems mais maize mode de culture muestreo necesidades de agua oil crops pilot farms plantas industriales plantas oleaginosas plante alimentaire plante industrielle rendement rendimiento rice riz sampling sistemas de riego site preparation sugarcane variedades varieties vegetable crops water requirements water supply yields