Ключевые слова: abstract, agriculture, agronomy, background, biology, care, composition, concept, conservation, cultivated, dirt, dirty, earth, eco, ecology, environment, environmental, farmer, fertile, fertilizer, garden, gardening, geology, ground, grow, growing, growth, hand, hands, humus, land, life, mineral, mud, nature, nitrogen, organic, ph, phopro, phosphorus, plant, planting, potassium, resource, seedling, soil, sustainable, test, testing, work,