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Fruits and vegetables for Vitamin C : a good choice for the thrifty family
Vegetables and fruits for Vitamin A : a good choice for the thrifty family
Preliminary crop and soil data for the cooperative study of available plant food
Survey of insect pests and plant diseases of selected food crops in Mexico, Central America, and Panama
Wildlife food plants of the Southwest
Food of the bobolink, blackbirds, and grackles
Development of feed and food production systems for subsistence Ecuadorian Indian culture
Nutrient composition of forage crops : effects of genetic factors and agronomic practices
Methods to increase the insect resistance of food shipping cases
Fertilizers, soil analysis and plant nutrition