make better decisions with ag technology  

Now that the 2019 growing season is well underway, you may want to take a deeper look at how your crops are doing. Agtegra offers customers a couple of different options for analyzing how their crops are growing.
Satellite Imagery
Agtegra customers have access to satellite imagery and local weather information that can help you make in-season decisions for your farming operation. Take advantage of tools like the Field Monitoring Tool by Winfield® United, which Agtegra provides free to customers, or a Climate FieldView® subscription, which Agtegra provides free for the first year upon first-time enrollment.
Both the Field Monitoring Tool and FieldView offer growers Normalized Difference Vegetation Index (NDVI). NDVI is a measurement of plant health that is visually displayed using a legend from -1 to +1. Healthy plants are represented with values ranging from .33 to 1. Data used to determine the NDVI is gathered using satellite imagery—the most scalable and cost-effective imagery solution. These images are acquired in different resolutions, but most used in production agriculture are 5- to 30-meter resolution, meaning that an image value is collected every 5- to 30-square meters.
These satellite images can then be utilized for tissue sampling in the high, medium and low vegetative areas of your fields to help drive in-season nutrient or crop protection management decisions.
Tissue Sampling
Another method for gathering real-time information about your crops is plant tissue sampling.
“Taking tissue samples at the V4 to V5 growth stage of corn is the optimal time in the season to get a snapshot of the nutrient levels which will impact the overall yield potential,” says Brett Harrison, Agtegra Sales Manager.
Tissue sampling can provide producers with data on how crops are responding to weather, soil moisture and nutrient availability conditions. Growers can utilize tissue sampling to determine in-season fertility adjustments.
“It’s also good to take tissue samples at tasseling, to see how we did for the year with our nutrients and if we need anything else to finish that crop,” says Harrison.
Harrison notes that tissue sampling can help determine boron levels at tasseling, which can be applied late in the growing season.
Tissue sampling can help farmers better understand the soil interactions and environmental factors that are driving the relationship between nutrition and yield. The results will show producers an accurate read on whether nutrients are being absorbed at the right time to be the most beneficial, and whether environmental factors are limiting nutrient availability.
Micronutrient deficiencies can also be detected through tissue sampling, which can be remedied with foliar nutrient adjustments, although the timing of precision application of those nutrients is critical to correct the problem before potential yield losses occur.
Harrison recommends that farmers utilize tissue sampling in conjunction with soil sampling.
“For example, tissue sampling can be used as a reference for your overall fertility plan,” Harrison says. “If soil samples are showing low levels of potassium, and you’re also seeing potassium deficiencies from tissue sampling, then maybe your soil has an issue that needs work for that particular nutrient. You can use the data from soil and tissue samples to help with fertility recommendations in the Fall.”
Talk to your Agtegra agronomist about how to utilize tools such as satellite or aerial imagery and/or tissue sampling to maximize your crop yields for this growing season and to improve your soil fertility in future years.

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