Measuring Active Carbon to Predict Seasonal Nitrate Mineralization on Organic Farms
Determining how much fertilizer to apply is a delicate process. Applying too much can waste money and lead to nutrient…
Harnessing Aphid Alarm Pheromone to Rid Broccoli Heads of Aphids
The purpose of this project was to find a way to make aphid-infested broccoli heads marketable by inducing the…
Establishing Breeding Populations for Organic Broccoli, Sweet Corn, and Red Kale Varieties
Organic farmer interest in on-farm plant breeding has been on the rise due to a lack of available germplasm adapted…
Determining habitat requirements for natural enemies of crop pests
Pest control by resident populations of natural enemies is affected by the landscape context of the farm. Weekly…
Integrating Conservation of Generalist Predators and Specialist Parasitoids in Pacific Northwest Organic Vegetables
Organic farms often have a diverse range of beneficial insects, but pest problems are still common. One reason for this…
Biological control of Delia sp. in cole crops with rove beetles, Aleochara sp. (Part 2)
The consumer demand for organic produce is increasing. In order for growers to be able to meet this demand,…
Long-Term Vegetable Rotation Systems Using Organic Production Methods and Conservation Tillage
This experiment is a long term study comparing continuous tomatoes with vegetable rotation under five possible…
Biological Control of Delia sp. in Cole Crops with Rove Beetles, Aleochara Year 1, 2, 3
In the first year of this study (2000), project objectives were: To determine the species composition and…
Cover Crops for Weed Management in Organic Vegetables
A 2000 study on cover crops to control weeds in organic vegetables at WSU Vancouver failed due to overwhelming weed…
Soil Nutrient Balancing in Sustainable Vegetable Production
The purpose of this project is to determine whether an unfavorable balance among soil potassium (K), sodium (Na),…