New Plastic Equals More Light in a High Tunnel July 19, 2018 - From Issue: 647 By: Liz Maynard Read More Have you ever wondered how much difference new plastic would make in terms of light getting to crops in a high tunnel? We replaced 6-year-old plastic on High Tunnel 1[Read More…] Article Categories: Vegetable Crops – General Article Tags: Greenhouses & High Tunnels
Are You Applying Enough Water for Vegetables Grown in High Tunnels? June 8, 2018 - From Issue: 644 By: Wenjing Guan Read More We recently received several calls reporting blossom end rot of tomatoes (Figure 1). Although blossom end rot is caused by deficient supply of calcium to the developing fruit. The occurrence[Read More…] Article Categories: Vegetable Crops – General Article Tags: Greenhouses & High Tunnels Irrigation
Bacterial Wilt of Cucumbers Grown in a High Tunnel May 24, 2018 - From Issue: 643 By: Wenjing Guan, Dan Egel and Laura Ingwell Read More Bacterial wilt is one of the most destructive diseases in high tunnel cucumber production. The reason bacterial wilt is so important is because, like other wilt diseases, it ties up[Read More…] Article Categories: Cucurbits Cucumbers Article Tags: Greenhouses & High Tunnels Insect and Mite Management
Prune Determinate Tomatoes April 26, 2018 - From Issue: 641 By: Wenjing Guan Read More I have recently received a number of calls from growers about how to prune determinate tomatoes in a stake and weave system. Although this is relatively easy compared to how[Read More…] Article Categories: Solanaceous Crops Tomato Article Tags: Crop Culture Greenhouses & High Tunnels
Organic Control Methods for Striped Cucumber Beetles April 26, 2018 - From Issue: 641 By: Rick Foster and Laura Ingwell Read More One of the most problematic insect pests that organic vegetable growers have to deal with is the striped cucumber beetle. The insect feeds on all the cucurbit crops, but can[Read More…] Article Categories: Cucurbits Cucumbers Article Tags: Greenhouses & High Tunnels Insect and Mite Management
Aphids in High Tunnels April 12, 2018 - From Issue: 640 By: Laura Ingwell Read More It’s that time of year, where we are prepping high tunnels and getting back into the full swing of production, slowly, here in the Midwest. Many of you have already[Read More…] Article Categories: Cucumbers Lettuce Article Tags: Greenhouses & High Tunnels Insect and Mite Management
Check Soil Temperatures before Planting Cucumbers in a High Tunnel April 12, 2018 - From Issue: 640 By: Wenjing Guan Read More Growers start to plant tomatoes in unheated high tunnels around the end of March in southern Indiana. Around that time, there may still be a few light frosts, or even[Read More…] Article Categories: Cucurbits Cucumbers Article Tags: Crop Culture Greenhouses & High Tunnels Special Cultural Practices
What You Need to Know about Cucumber Varieties for High Tunnel Production March 15, 2018 - From Issue: 639 By: Wenjing Guan Read More Cucumbers are produced with very different production systems. The ideal cucumber variety for process pickling production is not the variety used for greenhouse production. Choosing the suitable variety for a specific production system then becomes[Read More…] Article Categories: Cucurbits Cucumbers Article Tags: Greenhouses & High Tunnels Protected Culture and Season Extension Varieties
Lowering Soil pH in High Tunnels March 14, 2018 - From Issue: 639 By: Wenjing Guan and Liz Maynard Read More This article is my response to a grower’s question about lowering soil pH in a high tunnel. The soil test indicated pH of the soil in his high tunnel was[Read More…] Article Categories: Vegetable Crops – General Article Tags: Greenhouses & High Tunnels Soil Fertility and Fertilizers
Is it Economically Sound to Grow Grafted Tomatoes? February 16, 2018 - From Issue: 638 By: Wenjing Guan Read More Awareness of tomato grafting has increased tremendously in the past years. Some growers fall in love with this technology and apply it to every tomato they grow. While others find[Read More…] Article Categories: Solanaceous Crops Tomato Article Tags: Crop Culture Greenhouses & High Tunnels