Subject(s): Agricultural ecology -- Malnutrition -- Economic Conditions -- Problem- objectives- data base methodology -- Environmental base of agricultural and food production : Physical and cultural setting, drainage, climate, soil, irrigation, agriculture, population -- Food deficiency and diseases : Non nutritional causes of mal nutrition, under nutrition mal nutrition, nutritional deficiency diseases -- Environment and health : factors affecting human health, relationship between environmental factors and deficiency diseases -- Case study of selected villages : Micro level study, nutrition and nutritional deficiency diseases, sample villages, food availability and nutritional deficiency diseases and general health condition -- Economically background villages, economically prosperous villages