Ключевые слова: agricultural, agriculture, analysis, background, biology, biotechnology, black, brown, calcium, check, chemical, closeup, components, compost, copy, cultivate, cultivation, dark, development, dirt, earth, eco, ecology, elements, environment, environmental, farm, farming, female, fertile, fertilization, field, flat, garden, gardening, gloves, ground, growing, growth, hand, hands, healthy, holding, horticulture, humus, industry, infertile, land, lay, life, manure, minerals, natural, nature, nurture, organic, person, pile, quality, research, rich, rural, season, seed, small, soil, space, spring, surface, test, text, texture, top, turf, view, woman, zinc,