We have been busy planning for 2014 crops. We have grid soil sampled all the corn ground. The soil samples are collected in 2.5 acre grids across the fields. The samples are sent for analysis to tell us how many nutrients are already available in the soil and recommend how much of each nutrient to apply for this years yield goal. Each soil type has a different natural yield potential. Some soils just aren't as productive as others. Often times a field may have 6 to 8 different soils across it with different yield potential. We determine what each yield goal is for those areas and our local fertilizer dealers spread Phosphate and Potash Fertilizer and lime according to variable rate recommendations from the soil tests. Variable rate technology allows us to put University recommended levels of fertility in each zone in our fields. This keeps us from buying and spreading more than we need. The less we apply the less chance there is for leaching and runoff of nutrients into the local water supply. Ag Lime helps keep the pH, or acidity in our soils, at optimum levels so the nutrients we apply to "feed" our crops can be broken down and made available to the crop. If the pH is too high or too low the nutrients won't be available. We like our pH to be from 6 to 6.5 for our soil types. |
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