before planting when the soil-test level is below 50 ppm. Recommendations are determined by yield goal ... removal). Yield Potential (bu/ac) Soil CEC Soil-Test K (ppm) 25 50 75 100 125 150 175 60 lb ... ―Both Grain and Straw Removed. Yield Potential (bu/ac) Soil CEC Soil-Test K (ppm) 25 50 75 100 125 150 ...
Magnesium (Mg) Soybeans require a minimum exchangeable soil test level of 200 and 50 ppm (400 and 100 ... Recommendations for Soybeans. Yield Potential (bu/ac) Soil test (Bray P) 30 40 50 60 70 ppm (lb/ac) ... Cation Exchange Capacities (CECs) and Soil-Test Levels. Yield Potential bu/ ac 30 40 50 60 ...
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 ...
surface residues are high. Soils that have moderate to high levels of soil test phosphorus and potassium ... current soil test levels. Considering it takes between 8 to 20 pounds of P2O5 and 5 to 10 pounds of K2O ... benefit of starter fertilizers increases when soil test levels and soil temperatures are low and when soil ...
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 ...
AgTech Innovation Hub Announces Funding for Research Projects
a deeper understanding of and effective management and mitigation strategies for climate risks. This week ... funding pledged by Nationwide to tackle these pressing challenges head-on. In a highly competitive ... Plug on Drought Risks: Automated Drainage Water Management This project will study the effects of ...
Dry Weather Impacts on Corn and Soybean Establishment and Wheat Grain Fill
conditions, especially those in the central Corn Belt (Figure 2). Soil surface conditions are the most ... affected at this point. Moving a little deeper into the soil profile, better moisture is available. ... April is between V3 and V5 growth stages. Fortunately, corn is moderately tolerant to dry conditions ...
Done with Planting? Collect Soil Sample for SCN Test and Learn How Your Samples Are Processed in the Lab!
a good time to sample for SCN. A soil test in spring will reveal if SCN is present and if so, at what ... levels. If you are planning to participate in an on-farm trial that requires soil sampling, a subsample can ... be used for SCN testing. Additionally, if you planted corn, a soil sample from that field will reveal ...
Weather Update: Heat Exacerbates Drying Trend
temperatures back to near to below-average levels. Highs this week will mainly range from the upper 60s to ... Saturday when highs reached the low to mid-90s across the state. Along with the heat came very dry air; for ... soil moisture, lower streamflows, and lead to volunteer water use reductions in some communities. ...
AgTech Innovation Hub Announces Inaugural Research Projects
Hub is a unique partnership between the College of Food, Agricultural, and Environmental Sciences ... to address and/or understand the risks associated with climate change. Amongst the teams are several ... (Chemistry and Biochemistry), and Dr. Christopher Taylor (Plant Path), have developed and are testing an ...