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Feeding - Other Microelements

Your plants need certain trace elements and nutrients to make the best use of soil, water, and air. An important thing to remember about trace minerals is that plants can't always use the most common forms. If your garden store supplies them, get the chelated forms of the trace minerals. Chelated minerals have already gone through the chemical changes that make the minerals usable to your plants. (Kind of like Lactaid milk for the lactose intolerant, if you know what I mean.)

Magnesium (Mg) and Iron (Fe) are the "chlorophyll helpers." They're both important to the plant's production of chlorophyll. Magnesium, in fact, makes up the core of the chlorophyll molecule. Dolomitic lime and epsom salts are good sources of magnesium. To supply your plants with iron, try spraying liquid seaweed or chelated iron.

Calcium (Ca) and boron (B) are essential to any plant's plumbing system. Calcium is essential for proper water uptake, and both are important for proper cell formation. Calcium is present in gypsum, lime, and oyster shells. Boron is available in borax and a chelated boron spray.

Sulfur (S), zinc (Zn), and manganese (Mn) are the "catalysts" that help other nutrients such as nitrogen become usable by your plants. Gypsum and flowers of sulfur are good sources of sulfur. The others are available in chelated form, usually as a spray.

Overwhelmed? Chill out. Remember, all of the above can be found in a simple plant food sprays.