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What are the advantages and disadvantages of organic fertilizers?

The word ‘organic’ simply means that nutrients contained in the product are derived from a once-living organism. Most are high in just one of the three major nutrients and low in the other two. Their major advantage is adding bulk to the soil. Except for manure, the organics generally release their nutrients over a fairly long period. However, the potential drawback is that they may not release enough of their principal nutrient at a time to give a plant what it needs for best growth. Because they depend on soil organisms to break them down, most organic fertilizers are effective only when the soil is moist and warm.

Check your state and local codes before starting any project. Follow all safety precautions. Information in this document has been furnished by the North American Retail Hardware Association (NRHA) and associated contributors. Every effort has been made to ensure accuracy and safety. Neither NRHA, any contributor nor the retailer can be held responsible for damages or injuries resulting from the use of the information in this document.

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