Ключевые слова: agricultural, agriculture, alphabet, background, block, care, cement, chemical, closeup, compost, composted, composting, concept, cubes, cultivate, dirt, ecology, environment, environmental, farm, farmer, farming, fertile, fertility, fertilizer, fertilizing, garden, gardening, green, grow, growing, growth, humus, industry, land, letter, mineral, natural, nature, nitrogen, organic, plant, plantation, soil, spring, table, text, wood, wooden, word,