NDVI sensor Articles
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TrueNDVI vs. Synthetic NDVI Explained
Not all NDVI is created equal Normalized difference vegetation index (NDVI) imagery products have become increasingly common in precision agriculture applications. More companies are offering NDVI and NDVI-like products, including “Synthetic NDVI” images from drone platforms. At Sentera, it is our mission to provide you only the most valuable crop health data, which is why all of our ...
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Nondestructive measurement of grapevine leaf area by ground normalized difference vegetation index
Vine leaf area index has a great impact on berry quality. This study was conducted to determine whether vine leaf area index could be estimated, and mapped through normalized difference vegetation index (NDVI) ground-based measurements. The NDVI measurements were performed using a Greenseeker (N-Tech Industires, Ukiah, CA and Oklahoma State Univ., Stillwater), pointed sideways at the vertical ...
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Taking the Guesswork Out of Precision Scouting Drones
The Rise of Precision Scouting Drones A few weeks ago, I attended a summit at Louisiana State University regarding precision scouting drones and their application in agriculture. It was a wonderfully informational gathering of agronomists, producers, and a few lucky industry types like myself. Professors and agronomic experts from the LSU Extension Service presented their views, experiences, ...
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A day in the life of an Agricultural Technologist
An Agricultural Technologist mainly does two things that keep Pollen Systems flying: researching crops and drawing maps! Agricultural Technologists are often studying ways to improve our analytics and best serve our customers. However, the bulk of the work during the Pacific Northwest growing season is analyzing imagery collected by our pilots and packaging it into periodic updates for our ...
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Real Savings on Center-Pivot Farms: A Case Study
UNL and Nature Conservancy partner with Arable to establish a network of sensors for better access to local weather data. Fifty miles is a long way to drive to check a rain bucket on a center pivot. That's the challenge Chase Johnson dealt with whenever he wanted to know exactly how much rain fell on one of his ...
By Arable
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Spatial analysis of early wheat canopy normalized difference vegetative index
Efficient use of real-time canopy sensors requires knowledge of the scale (resolution) of variation in the measured canopy property. Knowing the amount of needed optical data requires estimation of the optimal combination of physical sensor density (number of sensors along the applicator boom) and sensor output density (sensor readings per unit distance along the travel path). The objective of ...
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Spatial analysis of early wheat canopy normalized difference vegetative index: determining appropriate observation scale
Efficient use of real-time canopy sensors requires knowledge of the scale (resolution) of variation in the measured canopy property. Knowing the amount of needed optical data requires estimation of the optimal combination of physical sensor density (number of sensors along the applicator boom) and sensor output density (sensor readings per unit distance along the travel path). The objective of ...
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