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BY Austin Delano on Aug. 11, 2014

Feed Your Food Plots

Too many food plot farmers grab a few bags of 10-10-10 at a nearby big-box store and use it on their food plots.  They believe they’ve done the correct thing, but they may have done more harm than good. They apply the fertilizer without knowing whether they need that ratio or amount of nutrients or not. Why make the process a “crap-shoot?” In addition, oftentimes the package information is misunderstood. The fertilizer recommendations on the product’s package, on various websites or the BioLogic Planting Guide, is just a recommendation for the amount that particular crop can use during a typical growing season under average conditions and a neutral pH. It IS NOT necessarily the fertilizer you should be using! You need to do a soil test to determine “your soil’s” pH and current nutrient load. These figures are used in conjunction with what the plant’s needs are to determine your exact fertilizer needs.

For instance, let’s say that you’re planting the crop of Full Draw with a recommendation of 350 lbs of “triple 13” If your soil has ample amounts of phosphorus (the middle number in the NPK ratio 13-13-13), but it is a bit low in potassium (the last number in the NPK ratio) you may need 13-0-20 rather than the 13-13-13 recommended. Also, maybe your pH is on the acidic side at 5.8, so you will also need to add some lime. However, because of that low pH you may need more than the 350 lbs to get the job done.  A soil test done by a reputable lab will tell you exactly what you should use for lime and fertilizer. This link will get you started http://www.plantbiologic.com/t-soil.aspx

The numbers in the NPK ratio mean that is the amount of each nutrient you will find in 100 pounds of that specific fertilizer. So if you’re using 40 or 50 pound bags you’ll need to do some math. For example, if you need 350 lbs of 13-13-13 that means it’s calling for 45.5 lbs of each nutrient. (13 times 3.5 - means 7 fifty lb bags - or 45.5 lbs). The results from the soil test found at the link above will give you numerous bagged and bulk solutions to reach your soil’s fertilizer needs.

 
 

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