Ключевые слова: agriculture, asian, china, color, cultivate, curve, earth, ecology, environment, farm, field, food, green, ground, harvest, hill, horticulture, hut, irrigation, ladder, land, landscape, lao, leaf, management, meadow, mountain, nature, outdoor, paddy, plant, plantation, regulation, rice, scenic, sky, soil, spring, steps, system, terraced, thai, thailand, tourism, tree, valley, vietnam,