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Your investment in phosphorus fertilizer can be substantial, depending on soil P levels and crop needs. A typical application for two-year crop P needs can range from $40 -$60 per acre. While the average losses of P205 (phosphate - the fertilizer form of P) usually average only 1-2 lbs. per acre per year, larger losses can and do occur under certain conditions. These losses can be off-site losses, into a stream or other waterbody, or they can occur within the field, moving from one part of the field to another.
Variable Rate Technology (VRT) and HD Soil Sampling are used extensively for good reasons. It is a precise and cost-efficient method of applying fertilizer. However, if substantial off-site losses or within-field movement occurs, the extra expense of utilizing this technology is wasted.
The question then is, "How do I protect my P fertilizer investment?" There are several answers to that question. We want to help you find some methods that fit your operation that you can effectively use to protect yourself from excessive P losses.
Here is our list - you may have additional ideas we can discuss.
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