The Technology Adoption and Outreach Group will be presenting a webinar the second Tuesday of each month at 1:00PM (Eastern Time – US and Canada)

Format: sign on and open discussion. presentation. 15 minute Q&A. [To learn about webinar basics/anatomy of the webinar screen click here.]

Webinar 4: How much fruit would a grape harvester pick if a grape harvester could pick fruit? The low down on yield monitoring in vineyards.

For the average grower, grape yield is measured in bin trailers, gondolas or truck loads.  Total yield is usually a reflection of truck load weigh slips for fruit in the table, raisin or juice market or records kept on the press deck at the winery. Commercially available yield monitors have been adapted to grape harvesters and make it possible to measure yield in real time as a harvester moves down the row.  We will talk about how these monitors work and how yield data can be mapped in real time and post-harvest.

Click this link to register for the webinar!

Previous Webinars:

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Previous Webinars Slides, Links, and References

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Webinar 2 slides: 

Webinar 2 links and references:
Bates & Wolf. Nutrient Management. Wine Grape Production Guide for Eastern North America
Havlin, Beaton, Tisdale & Nelson. Soil Fertility and Fertilizers: An Introduction to Nutrient Management 6th edition.
Veris Spatial pH sensing promotional video:
Webinar 3 Slides:
Webinar 3 links and references:
Shaulis, N., Maberg, H., and Crowe, D. (1966) Response of Concord grapes to light, exposure and Geneva Double Curtain training. Proceedings of the American Society of Horticultural Science. 89.268-280.
Smart, R.E., Robinson, M.D. (1991) Sunlight into Wine. (p.28 – rate your vineyard on canopy efficiency)
USGS 2018 Landsat Missions
Barsi, J., Lee, K., Kvaran, G., Markham, B., Pedelty, J. (2014) The Spectral Response of the Landsat-8 Operational Land Imager.  Remote Sensing 6(10).
Hall, A., Lamb, D.W., Holzapfel, B., Louis, J. (2002) Optical remote sensing applications in viticulture – a review.  Australian Journal of Grape and Wine Research. Blackwell Publishing.
Rouse Jr., J., Haas, R.H., Schell, J.A., Deering, D.W. 1974. Monitoring vegetation in the Great Plains with ERTS. NASA special Publication 351,309.
Roman, Anamaria and Ursu, tudor (2016) Multispectral satellite imagery and airborne laser scanning techniques for the detection of archaeological vegetation marks.
Abdou, Bannari and Morin, D, Bonn, F., Huete, Alfredo (1996) A review of vegetative indices. Remote Sensing Reviews. 13.95-120.
Matese, A., Toscano, P., DiGennaro, S.F., Genesio, L., Vaccari, F.P., Primicerio, J., Belli, C., Zaldei, A., Lianconi, R., Gioli, B., (2015) Intercomparison of UAV, aircraft and satellite remote sensing platforms for precision viticulture. Remote sensing 7(3).
Lamb, D.W., Trotter, M.G., Schneid, D.A. (2009) Ultra low-level (ULLA) sensing of crop canopy reflectance: A case study using a Crop Circle™ sensor. Computers and Electronics in Agriculture. 69(1)
Crop Circle™ pricing can be found at

Trade names used in this webinar are for convenience only.  No endorsement of products is intended, nor is criticism of unnamed products implied.  The information in this webinar reflect the current (and past) participants’ best effort to interpret a complex body of scientific research, and to translate this into practical management options.  Following the guidance provided in this webinar does not assure compliance with any applicable law, rule, regulation or standard, or the achievement of particular discharge levels from agricultural land.