Ключевые слова: agricultural, agriculture, agriculturist, chemical, concept, control, crop, device, environment, farm, farmer, farmland, fertilize, fertilizer, field, garden, gardener, gardening, giving, green, growing, growth, hand, holding, industry, land, leaf, man, manure, mineral, nature, nitrogen, npk, organic, outdoor, people, phosphorus, plant, plantation, potassium, research, space, technology, tobacco, tree, water, white, work, worker, working,