Improvement of irrigation facilities through groundwater development, Philippines. Guimba irrigation development project. V. 4. Annex 3: Agriculture development (appendices) - Technical report 2/3

agricultural development analyse de sol arroz de secano besoin en eau conduite de la culture crop management crops cultivos data analysis entraide agricole exploitation agricole explotaciones agrarias farm helper services farm management farms gestion de l'exploitation agricole irrigation irrigation methods mais maize manejo de fincas manejo del cultivo mutualidad agraria necesidades de agua perfil del suelo plante de culture precios precipitation prices prix profil du sol riego riz pluvial soil analysis soil profiles sorghum upland rice water requirements