NDVI map Articles
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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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Better nitrogen application in winter wheat with drones
There’s no doubt that spring is one of the busiest times of the year for farmers and agronomists. Activities carried out during spring make foundation for the whole season and have crucial impact on quality and quantity of yields. Nitrogen application is one of the key actions that growers take to ensure stable crop development. When winter crops enter the stroke phase, the absorption of ...
By Solvi AB
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Beyond NDVI: Grape Maturity Maps for Better Quality Wine
2-minute read To achieve the desired quality of wine, grapes need to be harvested at a specific maturity level. A key determinant of maturity is grape sugar levels. In simple terms, sugar levels at the time of harvest determine the alcohol content of the wine produced, but it goes beyond that to affect the characteristics and temperament of the wine. Predicting when grapes reach the desired ...
By Deep Planet
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Drones and scissors help decide fertilizer rate
Both Swedish and European field trials show that winter oilseed rape that has taken up a lot of nitrogen in autumn needs less nitrogen in the spring. A thinner crop, which has not assimilated so much nitrogen in the autumn, needs more N fertilizer in the spring. In order to determine the autumn’s nitrogen uptake, the so-called “cutting method” is often used in Sweden. Drones ...
By Solvi AB
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Why a Leading Central Coast Vineyard is Transitioning to Organic Production
The transition to organic wine grape growing can be seen as a high-risk process, and growers often wonder if positive results published by academic researchers will actually translate to their bottom lines once implemented in their vineyards. In order to address the concerns about the perceived gap between research and economic success, telling stories which share the lessons learned by people ...
By UAV-IQ, LLC.
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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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