Plant Health
Editor’s letter: New tech, crop support lead in 2025
I want to thank you for joining Greenhouse Product News for another year! I hope 2025 is full of healthy plants, strong sales and minimal challenges for all. In 2024, GPN asked you, our readers,... more »
Editor’s letter: Rethinking business practices
Greenhouses aren’t so full of the hustle and bustle that comes with spring preparations now that winter is settling in. It’s a time to reflect and draw up plans for the coming season, and GPN... more »
BioWorks launches a miticide and insecticide
BioWorks has launched EpiShield, a miticide and insecticide that is formulated for grower ease of use and delivers strong efficacy. Benefits of the EpiShield liquid formulation include 10-28x lower use rates than other oil insecticides,... more »
Preventing hemp disease
The fungus, Botrytis cinerea, is a common pathogen of plants and infects many different crops worldwide. It causes gray mold, also known as Botrytis bud blight and stem canker, on hemp (Cannabis sativa L.). This... more »
Updated Nutrient Ranges for Floral Hemp
Nutrient management is a delicate balance. Too much or too little of any one nutrient can derail a plant’s growth. The North Carolina Department of Agriculture (NCDA) has made it a little easier for growers... more »
Managing Corn Earworm in Commercial Hemp Production
Cheech and Chong. The Big Lebowski. Seth Rogen. These Hollywood legends helped thrust Cannabis sativa into modern-day pop culture, making it simultaneously famous and infamous. And while the topic of C. sativa tends to elicit... more »
NC State Releases Nutrient Reference Ranges for Floral Hemp
A new NC State Extension publication is available covering hemp leaf tissue nutrient ranges. This information is important for monitoring hemp nutrient status throughout the season. The researchers that authored the "Hemp Leaf Tissue Nutrient... more »
ASTM International Sets New Standard Aids for Hempseed Quality
ASTM International’s cannabis committee (D37) has approved a new standard that will provide a method for rapid, visual, on-site assessment of hemp seed spoilage. The new standard, Standard Guide for Assessing Spoilage of Hemp Seed Intended... more »
Proterra Ag Launches New Gel Substrate Product
Proterra Ag Inc. formally launched Oct. 12 its new company with a focus on sustainable agriculture. With expertise in farming, bioscience and engineering, Proterra Ag invents technology and brings to market products that reduce water... more »
Hemp-Based Composite Could Facilitate Soil-Free Farming
Given the diversity of its applications, hemp has become an increasingly popular crop in the United States and elsewhere over the past half-decade. That increasing production has led to surges of an appealing byproduct: hemp... more »
Latest News
NOCO Hemp Expo returns in April 2025
Central State University Extension and Ohio Hemp Company to host Industrial Hemp Field Day
NoCo Hemp Expo celebrates 10 years
