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) ...
Planning Your Winter Annual Cereal Grain Forage Harvest
of maturity and in tonnage between species at the same maturity. On average most species put on half ... in tonnage with an average of 2.75 tons and a high of 5 tons. While tonnage is critical another ... important part of the risk management decision is how quality declines as the species matures, shown in ...
Islam wins Commercialization Achievement Award
licensing agreement for the rapid and low-cost soil health test he spent over a decade developing and ... the soil test over 15 years ago with the goal of creating something that was affordable, and so ... the soil?’” Islam recalled, when asked about his inspiration for developing the test kit. Fast forward ...
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 ...
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 ...
Garden Pests with The Ohio State University Extension Office
gardens from pests, and which wildlife we might want around. Can you tell the difference between a bad bug ...
STEAM students enjoy a day at South Centers
projects including long cane raspberry production, tabletop-grown and high tunnel strawberries, hops, and ...
Honoring Ohio's Environment and Celebrating its Champions
Environment and Natural Resources). Jon Gerken: Jon dedicated 42 years to the soil science and natural ... resources profession for USDA's Natural Resource Conservation Service as assistant soil survey manager ... and state soil scientist. Throughout his career, John has provided unwavering support of the School of ...