The productive and nutritional level of small farmers in the community Ojo de Agua (Matagalpa), VI region, Nicaragua

autoapprovisionnement autosuficiencia aves de corral bovin cattle cerdo consommation alimentaire consumo de alimentos estado nutricional farm area food consumption food production ganado bovino nicaragua nutritional status ownership petite entreprise plant production pobreza rural porcin poultry production alimentaire production possibilities propiedad rural poor rural sociology sociologia rural sociologie rurale surface d'exploitation swine volaille