Almost every season we see fields of young purple corn in the springs, this purpling can often an early season Phosphorus (P) deficiency caused by cool weather. However, it is always a good reminder of P management. Managing Phosphorus can be difficult due to its high affinity for fixation with soil particles. 80 to 90% […]
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Nitrification is a natural process in soils that converts ammonium to nitrite and then to nitrate. Nitrate is the dominant form of plant available N in soil and unless taken up by roots, it can be transferred to either water or the atmosphere. Nitrate can leach below the root zone with the potential to be […]
Urea is the most widely used form of N fertilizer, and can be formulated as dry granules or as a fluid, ammonium nitrate (UAN). Urea is also present in animal manures. All these forms of urea have the disadvantage of undergoing considerable losses as ammonia gas if not incorporated into soil soon after application. Factors […]
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When it comes to crop nutrients, nitrogen (N) is often the first nutrient that comes to mind. Nitrogen has a clear positive corn yield response; however, making the N applications maximize profits can be more difficult. When apply any nutrient you should always follow the 4 R’s: Right Source, Right Rate, Right Time, and Right […]