Ключевые слова: agriculture, background, beginning, botany, care, concept, conservation, conserve, cultivate, cultivation, day, development, dig, earth, earth day, ecologist, ecology, environment, environmental, fertilizer, forest, forestation, garden, gardening, green, ground, grow, growing, growth, hand, hands, holding, leaf, life, natural, nature, plant, plantation, planting, protection, sapling, seed, seedling, small, soil, spring, sprout, sustainability, sustainable, tree,