Food Plot Tips: The Mighty Soybean

Soybeans

By Don Higgins

Why Beans? Whitetails crave soybeans during the late season for several reasons. First, there’s likely not another food source at that time of the year that comes close to offering the same level of protein. I have sent a sample of soybeans (in the pods, which is how deer eat them) to an independent lab for testing and found they consist of nearly 30 percent crude protein.

Shelled corn, on the other hand, consists of only 8 percent protein. Protein is a very important component of any feed ration, and wildlife naturally crave what they need. During winter, there’s likely not another food source in most areas that can compare to the protein content of soybeans.

Further, and probably more important to whitetails at that time of year, soybeans are also high in fat (because of their oil content). A whitetail uses this fat as energy to increase body heat. Considering these factors, it is no wonder why whitetails are so attracted to soybeans during the late season.

However, to suggest soybeans are strictly a late-season food source for whitetails would be highly inaccurate. Sure, soybeans stand alone in terms of attractiveness to whitetails in December and January, but they also attract deer with regularity from the time they sprout in late spring until the last bean has been devoured in winter.

While hunting, I have witnessed mature bucks feeding in soybean food plots from the first days of October’s early archery season through the last day of the late season in January. More important than the opportunities soybeans offer to hunters is the nutritional benefit they provide whitetails after the hunting season has closed — when deer need it most.

Harsh winter weather can have a major effect on the health and wellbeing of whitetails. Soybeans can help deer get through this tough period and allow them to enter spring in better condition.

Getting Started

You have probably guessed by now that soybeans are my favorite food-plot crop. Why? Because they are good for deer and deer hunting. Although they are one of the easiest crops to grow, they present some challenges. Primarily, deer are so attracted to soybeans that they can wipe out a young stand about as fast as the seeds germinate. There are several ways to combat these problems.

First, soybean plots should be as large as possible — within reason. A small plot does not have the food volume to withstand browsing pressure. I would never consider a soybean plot that is smaller than ½ acre — 2 or 3 acres is much better. However, even 3-acre plots can be too small if they’re planted in areas with high deer densities. Experience will tell you how much acreage you’ll need to devote to your soybean plots.

If your plot acreage is limited, don’t give up on soybeans. There are other methods to control browsing pressure enough to get a soybean stand established. The results are generally worth the effort.

If you live in agricultural country where farmers are growing a lot of soybeans, wait about two weeks after they’re done planting their fields before planting your soybean plots. This will give the whitetails a chance to find and key in on large bean fields. This will reduce early browse pressure on your plots.

Besides maximizing the size of your soybean plots and strategically planning the timing of your planting, more options can help you establish a bean plot. Several companies offer fencing products to keep deer from entering food plots until the plots have grown to a point where they can withstand browsing. One of these products is simply an electric fence that some plotters have adjusted to fit their application. Another product uses electric fence stakes around the edge of a food plot to support a ribbon that’s been soaked in deer repellent. The idea with both products is to keep deer out of the food plots long enough for the soybeans to get some sizable growth before removing the barriers and letting the deer in to feed. I don’t have any experience with either product and have heard good and bad reports from those who have tried them.

Milorganite is another interesting product that has shown promise in controlling browsing whitetails in soybean plots. Developed in Milwaukee, Wis., in 1925, Milorganite is a fertilizer made from human waste taken from sewage lagoons. In tests conducted by researchers at the University of Georgia, Milorganite has proven effective in repelling browsing deer and other wildlife from various plants, including soybeans. The product can be purchased in 50-pound bags at many farm and home supply stores. I could actually devote an article to this topic, but instead I suggest that anyone interested in trying this product or desiring more information do an internet search.

Many of today’s soybeans are Round-Up Ready, meaning that you can spray these soybeans with a glyphosate herbicide and it will not harm the soybean plants but will kill the weeds (Round-Up is a trade name for glyphosate).

I typically wait for the vegetation in my soybean plots to reach 12- to 18- inches tall and then spray the plot with glyphosate. The weeds will then be killed, and the soybean plants will be left to grow with little or no weed competition. I am currently experimenting with deer repellent sprays that I’m mixing with glyphosate and spraying over the soybeans. My goal is to be able to spray my soybean plots one time and kill all the weeds in the plot and deliver a repellent that will allow the soybeans to grow for a longer period before deer browse them. When the repellent has worn off, the soybeans should have reached a size where they can then better withstand browsing pressure.

 

u9012-2Getting Started in Food Plots
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