Ключевые слова: agricultural, agriculture, animal, background, belgium, biological, brown, compost, cow, dirt, dirty, droppings, dung, dunghill, earth, ecology, environment, farm, farming, fertile, fertilization, fertilize, fertilizer, field, garden, gardening, grass, green, ground, growth, heap, hill, humus, land, landscape, manure, muck, natural, nature, organic, outdoor, outdoors, peat, person, pile, plant, rural, soil, straw, waste,