Occasionally, during longer cold snaps, we receive a lot of questions about storage crops freezing in coolers. This post summarizes some ideas for preventing freezing. Summary Seal up the Cooler Box The main culprit in freezing is most likely infiltration of cold, outside air into the cooler. If you’re seeing freezing in one area, there …
Tag Archives: vegetables
Building a Better Greens Bubbler
Introduction Leafy greens are a popular crop among consumers seeking a healthy and nutritious diet year-round. As a crop that is grown close to the ground in a variety of systems, often it is important to remove soil from the leaves before marketing. A relatively high volume dunk tank with several, typically lower volume, follow-on …
Project Planning for Postharvest Efficiency, Profitability & Food Safety (Free 8-Part Packshed Webinar)
The UVM Extension Produce Safety Team has developed a video series focused on postharvest upgrades for your farm. Whether your project is organizing a relatively simple outside wash station or building a full packshed from scratch, we share the principles and practice with examples to help you make the most of it. An outline of …
Planning an Efficient and Safe Wash/Pack Area
By Chris Callahan, Hans Estrin, and Andy Chamberlin Reading not your thing? We have a free, 8-Part webinar video series that goes into depth on all of the following topics discussed below. Project Planning for Postharvest Efficiency, Profitability & Food Safety Summary Efficiency and food safety are integral parts of running a profitable and viable …
Continue reading “Planning an Efficient and Safe Wash/Pack Area”
Ag Engineering Downloadable PDF Resources
All of our resources are available here on this blog. However, if you are looking for a printed handout, here is a list. These are all of the PDF documents that we share during workshops, meetings, and presentations. All links will open the PDF in a new tab. You may also want to check out …
Continue reading “Ag Engineering Downloadable PDF Resources”
Wheels Keep Things Rolling at Root 5 Farm
A PDF of this case study is available for download here. Danielle Allen and Ben Dana own and operate Root 5 Farm in Fairlee, Vermont. This organic vegetable farm on the Connecticut River provides over 200 CSA members, farmers market, restaurant, and wholesale customers with local, healthy food. Over 100 different varieties of crops are …
Continue reading “Wheels Keep Things Rolling at Root 5 Farm”
Forced Air Cooling: Field Trial Results
Last summer we performed a series of precooling trials using small-scale forced air coolers to cool eggplant, watermelon, strawberries, blueberries, zucchini, and roasting peppers. The forced air cooling was done in parallel with standard room cooling and was shown to result in cooling rates ranging from 1.2 to 2.2 times faster than room cooling. This …
Construction Details for a Pallet Forced Air Cooler
To learn more about forced air cooling visit go.uvm.edu/forcedaircooling To download the PDF version of this guide click here! Framing: 2”x12” lumber to make a 43” wide x 74” tall x 11-1/4” deep plenum for suction air distribution. Plenum Panel: 3/8” CDX Plywood with an 11-1/4” circle cut out for the blower suction inlet. Position …
Continue reading “Construction Details for a Pallet Forced Air Cooler”
Forced Air Cooling On The Farm
A downloadable/printable pdf of this article is available here. Introduction The preservation of quality in fresh market and storage crops on small and medium-sized farms in the Northeast depends on the rapid reduction of pulp temperature and maintenance of relatively low temperatures to slow metabolic respiration. There is strong foundational work showing that rapidly reducing …