Petrus Langenhoven

Horticulture and Hydroponic Crop Specialist
Department of Horticulture and Landscape Architecture
Petrus Langenhoven's website

189 articles by this author

Article List

Welcome to the Vegetable Crops Hotline (VCH), Purdue Extension’s exclusive newsletter for people in the business of growing vegetables. This issue features articles on integrated insect management strategies, spotlight articles on cucumber beetles and dandelions, and research results from a sweet potato weed management study and a consumer study about salad mixes. We also take…Read more about From the Editor’s Desk[Read More]


Welcome to the Vegetable Crops Hotline (VCH), Purdue Extension’s exclusive newsletter for people in the business of growing vegetables. This issue is packed with information. We are featuring several articles on weeds, including weed management in vegetable systems, how insects benefit from winter weeds, and a weed spotlight article on Common Chickweed. The insect spotlight…Read more about From The Editor’s Desk[Read More]


Welcome to the Vegetable Crops Hotline (VCH), Purdue Extension’s exclusive newsletter for people in the business of growing vegetables. This issue features two Spotlight articles: the Weed Spotlight on Deadnettle and the Insect Spotlight on the Two-Spotted Lady Beetle. It also includes a featured article that discusses soil fertility management in high tunnels, ethylene damage…Read more about From The Editor’s Desk[Read More]


NCR-SARE Welcomes Liz Brownlee This article was published by SARE in their news release dated March 21, 2024. NCR-SARE is pleased to announce Liz Brownlee’s appointment as the new Coordinator for the Farmer Rancher Grant Program. Brownlee, who was born and raised in Indiana, brings a wealth of knowledge and expertise to this role. Brownlee…Read more about Sustainable Agriculture Research and Education (NCR-SARE) News[Read More]


Are you looking to enhance your knowledge of soil fertility management in high tunnel farming? Look no further! Let’s explore the crucial aspects of High Tunnel Soil Fertility Management that can help you grow abundant and healthy crops. Spring has arrived, and with it comes the excitement of planting cool and warm-season crops. If you…Read more about High Tunnel Soil Fertility Management: What You Need to Know[Read More]


Welcome to the Vegetable Crops Hotline (VCH), Purdue Extension’s exclusive newsletter for people in the business of growing vegetables. In this issue, we feature some of the educational events offered during the spring and summer of 2024 and launch our Spotlight articles. This week, the Weed Spotlight is cast on Henbit, and the Insect Spotlight…Read more about From the Editor’s Desk[Read More]


The Natural Resources Conservation Service produces this weekly report using data and products from the National Water and Climate Center and other agencies. The report focuses on seasonal snowpack, precipitation, temperature, and drought conditions in the U.S. This report was published on March 14, 2024, and can be downloaded HERE https://www.nrcs.usda.gov/sites/default/files/2024-03/dmrpt-20240314.pdf


The 2023 Purdue Small Farm Education Field Day was held at the Purdue Student Farm in West Lafayette, Indiana. With 105 participants registered, the in-person event featured an array of on-farm demonstrations and was a resounding success. Nearly 84% of attendees reported that they learned something they didn’t know before. A third (34%) indicated they…Read more about 2024 Purdue Small Farm Education Field Day – Registration Open[Read More]


Purdue Extension presented its second Fruit and Vegetable Field Day post-pandemic at the Throckmorton Purdue Agriculture Center’s Meigs Horticulture Research Farm, located in Lafayette, on July 20th, 2023. Extension Specialists and Graduate Students presented specialty crop research to 90 attendees. Attendees had only good things to say about the event. ‘It was an interesting program,…Read more about 2024 Purdue Fruit and Vegetable Field Day – Registration Open[Read More]


Welcome to the Vegetable Crops Hotline (VCH), Purdue Extension’s exclusive newsletter for people in the business of growing vegetables. What’s new in 2024? The VCH will publish seventeen newsletter issues in 2024. The publication day has been moved to Friday (it was on Thursday in the past). The decision was made to accommodate articles from…Read more about From the Editor’s Desk[Read More]