Fertilizer Compatibility August 7, 2017 - From Issue: 633 By: Wenjing Guan Read More When mixing fertilizers, it is important to check fertilizer compatibility before application. If incompatible fertilizers are mixed, they form insoluble precipitations that can clog drip emitters and damage sprayers used[Read More…] Article Categories: Vegetable Crops – General Article Tags: Soil Fertility and Fertilizers
Caterpillars in High Tunnels July 6, 2017 - From Issue: 631 By: Rick Foster When we first began working in high tunnels about 8 years ago, most of the popular literature said that the tunnels would provide protection from most insect pests, other than[Read More…] Article Categories: Vegetable Crops – General Article Tags: Greenhouses & High Tunnels Insect and Mite Management
Spider Mites June 22, 2017 - From Issue: 630 By: Rick Foster Read More We have received a number of reports of spider mite problems lately. Some of them have been on crops grown in high tunnels, particularly tomatoes and cucumbers. High tunnels are[Read More…] Article Categories: Vegetable Crops – General Article Tags: Insect and Mite Management
Effectiveness of Preemergent Herbicides June 22, 2017 - From Issue: 630 By: Wenjing Guan Recent dry weather raises concern about effectiveness of preemergent herbicides. Preemergent herbicides applied on the soil surface need to be moved into the soil where the target weed seeds are germinating (normally[Read More…] Article Categories: Vegetable Crops – General Article Tags: Weed Management
Taking Care of Plant Nutrition in Your High Tunnel – Fertilizer and Nutrient Solution Mixing Tips June 22, 2017 - From Issue: 630 By: Petrus Langenhoven Developing and mixing your nutrient solution is one of several very important steps in the production process. Mistakes are easily made when fertilizers are mixed. Not only does this have[Read More…] Article Categories: Vegetable Crops – General Article Tags: Soil Fertility and Fertilizers
Add Shade to High Tunnels June 8, 2017 - From Issue: 629 By: Wenjing Guan Read More Tomatoes growing in high tunnels are in the middle of or close to harvest. Developing and maturing fruit are under leaf canopies. On the top of the plants, many flowers[Read More…] Article Categories: Vegetable Crops – General Article Tags: Crop Culture Greenhouses & High Tunnels
Service and Companion Animals at Direct-Market Venues June 8, 2017 - From Issue: 629 By: Scott Monroe and Amanda Mosiman Managing domestic animals in a direct market venue can be very challenging. While best practice is to exclude domestic animals from production and packing areas, produce may be exposed to[Read More…] Article Categories: Vegetable Crops – General Article Tags: Food Safety
Taking Care of Plant Nutrition in Your High Tunnel – Water Soluble Fertilizer Calculations June 7, 2017 - From Issue: 629 By: Petrus Langenhoven Read More Every grower will have to do some basic calculations when mixing a nutrient solution. Understanding some of the calculations will help you to apply the correct concentration of a nutrient[Read More…] Article Categories: Vegetable Crops – General Article Tags: Greenhouses & High Tunnels Soil Fertility and Fertilizers
Taking Care of Plant Nutrition in Your High Tunnel – Water Hardness and the Removal of Unwanted Ions May 25, 2017 - From Issue: 628 By: Petrus Langenhoven It is essential, especially in hydroponics to start with a laboratory analysis of your source water. It is also important to do follow-up analysis throughout the year. Water quality can[Read More…] Article Categories: Vegetable Crops – General Article Tags: Greenhouses & High Tunnels Soil Fertility and Fertilizers
Tips for Submitting Greenhouse Samples to the Purdue Plant and Pest Diagnostic Lab (PPDL) May 9, 2017 - From Issue: 627 By: Gail E. Ruhl Read More Samples in plug trays, as well as unrooted and rooted cuttings, and plants in pots require extra care when they are packaged for submittal to a diagnostic lab. Before you[Read More…] Article Categories: Vegetable Crops – General Article Tags: Pests and Pest Management – General Plant Disease Management