Organic Fertilizers
Organic Fertilizers Any discussion of fertilizers or organic fertilizers should begin with at least a brief overview of plant nutrition. It is commonly accepted that there are 16 elements required by plants for vigorous growth. Of these, three are supplied by air and water; carbon, hydrogen, and oxygen. The other 13 are normally absorbed from the soil by plant roots. This group of 13 is further divided into 3 subgroups: primary nutrients, secondary nutrients, and micro nutrients. Certain elements are essential, regardless of the amounts required. They include: Primary Nutrients:…
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