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Late-season digital aerial imagery of corn and soybean fields has helped nearly 900 Iowa farmers benchmark and compare the soil and plant-nutrient status of minerals like nitrogen, phosphorus, potassium, sulfur, zinc, copper, manganese and boron.
Peter Kyveryga gives examples of the nutrient status of no-till fields vs. management practices like tillage and manure applications or as a result of soil organic-matter levels. The senior research associate with the Iowa Soybean Association’s On-Farm Network also discusses common misperceptions when using results of soil and plant-tissue testing and the uncertainty of making management decisions for specific macro or micronutrients.
(Total Run Time: 39 Minutes; File Size: 9.5 Megabytes)
Click here to download a PDF version of this presentation to follow along with while listening to the audio file (no purchase necessary).
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