Petrus Langenhoven

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

194 articles by this author

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Mark your calendars for July 24, 2025 – the Purdue Small Farm Education Field Day promises to be an invaluable resource for small-scale farmers and urban growers across Indiana. The Department of Horticulture and Landscape Architecture, in partnership with the Purdue Student Farm, is hosting this comprehensive educational event from 8 a.m. to 2 p.m….Read more about Discover Small-Scale Farming Solutions at Purdue’s Educational Field Day[Read More]


Summer cover crops offer clear benefits to vegetable growers and the environment. Cover cropping offers clear benefits to growers and the environment. It is a valuable opportunity to add organic material to the soil, and it increases soil carbon, enhances soil fertility and nitrogen cycling, reduces erosion, and helps to reduce weed pressure in subsequent…Read more about Summer Cover Crops for Improved Soil Health and Weed Management[Read More]


Small and medium-sized vegetable farms face unique challenges balancing profitability with sustainable production practices and food safety requirements. To better understand how these farmers navigate complex decision-making processes, the Soil to Market Team—comprising Maria Marshall, Renee Wiatt, Petrus Langenhoven, Betty Feng, and Nathan Shoaf—conducted a comprehensive survey of 500 small and medium-sized farmers across the…Read more about Understanding Farm Decision-Making: Insights from the 2024-2025 Producer Survey[Read More]


Time is running short—register TODAY to secure your spot at this year’s Southwest Purdue Agricultural Center Field Day! Located in the heart of Indiana’s premier watermelon-growing region, the Southwest Purdue Agricultural Center (SWPAC) stands as one of Purdue’s eight agricultural research centers, uniquely positioned where specialty crops meet cutting-edge agricultural innovation. This field day represents…Read more about Don’t Miss Out: Final Call for SWPAC Field Day Registration![Read More]


Dear Valued VCH Readers, Welcome to this week’s edition of the Vegetable Crops Hotline! As we move deeper into the growing season, this week’s edition brings you essential insights and timely updates to help navigate the opportunities and challenges ahead. From understanding how vegetable growers are integrating sustainable practices through our latest producer survey findings…Read more about From the Editor’s Desk[Read More]


Small and medium-sized vegetable farms face unique challenges balancing profitability with sustainable production practices and food safety requirements. To better understand how these farmers navigate complex decision-making processes, the Soil to Market Team—comprising Maria Marshall, Renee Wiatt, Petrus Langenhoven, Betty Feng, and Nathan Shoaf—conducted a comprehensive survey of 500 small and medium-sized farmers across the…Read more about Understanding Farm Decision-Making: Insights from the 2024-2025 Producer Survey[Read More]


Dear Valued VCH Readers, Welcome to this week’s edition of the Vegetable Crops Hotline! As we move deeper into the growing season, this week’s newsletter brings you essential insights to help navigate the challenges and opportunities ahead. From understanding what drives farm decision-making to managing the unpredictable weather patterns we’ve been experiencing, we’re covering the…Read more about From the Editor’s Desk[Read More]


For tomato growers, managing potassium (K) nutrition is critical for both yield and fruit quality. While most producers understand K’s importance, many don’t realize how significantly temperature influences a plant’s ability to uptake and utilize this essential nutrient. With increasing heat extremes, understanding this relationship becomes even more crucial for successful production. The Temperature-Potassium Connection…Read more about Temperature Effects on Potassium Uptake: Managing Heat Stress for Better Tomato Quality[Read More]


Dear Valued VCH Readers, Welcome to this week’s edition of the Vegetable Crops Hotline! In this issue, we bring you a diverse range of content to support your farming operations. We hope these insights help you navigate the challenges and opportunities of this critical time in the growing season. Growers and Purdue Extension Educators Your input…Read more about From the Editor’s Desk[Read More]


Dear Valued VCH Readers, Welcome to this week’s edition of the Vegetable Crops Hotline! I can’t believe it is May already! The 8-14-day precipitation and temperature outlook is leaning below and above normal, respectively. Generally, the precipitation outlook for May is leaning towards below-normal levels. As many growers prepare to set out transplants in May,…Read more about From The Editor’s Desk[Read More]