Ключевые слова: agricultural, agriculture, agrochemical, ammonium, background, balls, blue, carbamide, care, chemical, compound, copy, cultivation, environment, environmental, farming, fertilizer, fertilizing, gardening, grains, granules, heap, horticulture, industry, light, many, mineral, natural, nitrate, nitrates, nitrogen, nobody, nutrient, object, organic, pellets, pile, round, season, space, spring, sulfate, synthetic, text, urea, white,