Agricola (1979 - present) ProQuestAgricola covers all aspects of agriculture including: agriculture, agronomy, animal science, biology, biotechnology, botany, breeding, chemistry, conservation, crop management, dairy science, ecology, entomology, farm management, feed science, fertilizers, food and nutrition, forestry, horticulture, hydrology, hydroponics, microbiology, nutrition, pesticides, physiology, plant science, pollution, soil science, water quality, and zoology. Agricola contains citations to over 3.7 million records, both in English and non-English.