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Organic nutrients and fertilizers include naturally-occurring organic materials, such as manure, worm castings, compost, seaweed, guano and peat moss, or naturally occurring mineral deposits. In addition to increasing yield and fertilizing plants directly, organic fertilizers can improve the health and long-term productivity of soil. Organic nutrients increase the abundance of soil organisms by providing organic matter and micronutrients for organisms, which aid plants in absorbing nutrients. It is generally believed that organic agricultural methods are more environmentally friendly.
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