Agronomy

accroissement de production agricultura de regadio agronomia agronomie agronomy analytical methods aptitude des terres cartografia cartographie cartography classification des sols classification des terres crops cultivated land estimated costs extension activities farm area farm management farm size food crops grasslands herbage insecta irrigated farming irrigated land irrigation land classification land suitability land use plant diseases plant protection praderas production costs production increase reconocimiento de suelos recursos del suelo regadio rendement rendimiento research institutions ressource en sol riego soil soil chemicophysical properties soil classification soil resources soil surveys soil types sol suelo surface d'exploitation taille de l'exploitation agricole technical aid technique analytique tierras cultivadas tipos de suelos training type de sol utilisation des terres water requirements yields