Soils and Soil Health
nutrients air—2%–50% of soil volume oxygen, carbon dioxide, nitrogen occupies same spaces between soil ... bad, or mid-level soil test results to compare against. The Ohio State University has conducted a vast ... nutrients—aka “potential for productivity” water—2%–50% of soil volume water-holding capacity is directly ...
Developing Phosphorus and Potassium Recommendations for Field Crops
determined using field studies to correlate soil test levels to crop yield response. Ohio data was used to ... This framework strives to build soil test levels up to and beyond a critical level, and then maintain ... these levels over time. The critical level is a key component to this framework. Soil test levels above ...
Understanding How Soil Test Phosphorus Impacts Water Quality
Soil test P is one indicator of environmental P loss potential from a field. STP values above 100 ppm ... Tests as Risk Indicators for Leaching of Dissolved Phosphorus from Agricultural Soils in Ontario. Soil ... called eutrophication, results in depleted dissolved oxygen in water bodies. A soil test for P (STP) ...
Bumble Bee Pollination in Tomato Greenhouses
Tomatoes growing directly in the soil under high-tunnel protection with the side panels rolled up to allow ... tomato growers are choosing the option of cultivating plants in either a greenhouse or high-tunnel (hoop ... (Heuvelink, 2018). Both high-tunnel and greenhouse tomato growers use bumble bees for their pollination ...
Nutrient Management of Forage Crops Intended for Hay
is to maintain soil test P and K between the “critical level” (minimum) and “maintenance limit” ... level before planting. The estimated amount of P 2 O 5 required to raise a soil test 1 PPM is 20 pounds ... For example, if a soil test is 100 PPM and the goal is to increase the soil test to a critical level ...
2023 Water Quality Field Day
excess soil P. Our keynote speaker will be discussing water management and in-field practice research ...
CFAES News | 6.7.2023
style="text-align: center; text-decoration: none;"> Learn more. Heading: Low cost, high performance: OSC has ...
Grant feeds effort to convert food waste into valuable products
industrial food processing companies, which often incur high disposal costs. The team aims to develop a waste ... foster partnerships between industry and universities for the mutual benefit of both parties and the ...
FABE Post-Doctoral Scholar Places First in the 2023 CFAES Research Forum and Poster Competition
levels in the college, including undergraduate students, graduate students, postdoctoral scholars, and ... applications. To address this issue, a new type of valve called an air-piloted PWM pinch valve was tested. This ... components, which prevents the pesticides from causing malfunctions. Tests were conducted to compare the ...
Phosphorus Nutrient Management for Yield and Reduced P Loss at Edge of Field
site and rate criteria from Assessing Nutrient Loss Risk in Ohio (NRCS) between 50 to 200 PPM. Time ... step 7. STP value of 50 PPM Mehlich III or less: CROP YIELD —Reduce risk of crop yield losses with ... available. The maintenance STP range is "critical level" to 40 PPM in corn soybean rotation and 50 ...