Ключевые слова: agriculture, background, beginning, botany, bud, care, concept, conservation, cultivated, day, development, earth, ecology, environment, environmental, forest, garden, gardening, green, ground, grow, growing, growth, hand, hands, hold, holding, hope, human, leaf, life, man, natural, nature, new, people, plant, protection, sapling, seed, seedling, small, soil, spring, sprout, stem, sustain, top, tree, young,