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) ...
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 ...
Cereal Rye as a Cover Crop in Ohio
Identification Information blue-green leaves hairs on leaf sheath, unlike wheat small- to medium-sized auricles ... window: July 2–Nov. 1 upright growth habit: 3–6 feet preferred soil pH: 5.0–7.0 Table 1. Rating the traits ... than drilling or broadcasting with incorporation. Use a low seeding rate for areas with sandy soil or ...
Annual Ryegrass as a Cover Crop in Ohio
habit: 12 – 24 inches preferred soil pH: 6.0 – 7.0 Table 1. Rating the traits of annual ryegrass. Shade ... tolerance Very good Flood tolerance Very good Winter survival winter hardiness varies between varieties snow ... efotg.sc.egov.usda.gov/#/state/OH/documents/section=4&folder=-6. Performance dry matter = 1,000 – 4,000 lb. per acre, per year Biomass quantity is highly dependent ...
Barley as a Cover Crop in Ohio
date in Ohio is Sept. 28. upright growth habit: 1.5–3.0 feet preferred soil pH: 6.0–7.0 Table 1. Rating ... survival. Expected Planting Information drilled at ¾–1½ inches 50–75 lb./acre (pure live seed) broadcast ... efotg.sc.egov.usda.gov/#/state/OH/documents/section=4&folder=-6. Performance dry matter = 2,000–5,000 lb. per acre, per year Biomass quantity is highly dependent ...
Japanese Millet as a Cover Crop in Ohio
habit: 2–4 feet preferred soil pH: 5.5–7.5 Table 1. Rating the traits of Japanese millet. Heat tolerance ... efotg.sc.egov.usda.gov/#/state/OH/documents/section=4&folder=-6. Performance dry matter = 1,500–3,500 lb. per acre, per year Biomass quantity is highly dependent ... cutting increases root penetration. Japanese millet tolerates wet soils, flooding, and ponding. Japanese ...
college, as well as students who will have to take upper-level science courses. ...
State? My favorite thing about Ohio State is the school spirit. My high school wasn't very ...
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 ...
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 ...