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Fertilization
https://agcrops.osu.edu/node/4389
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 ...
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Fertilization Recommendations
https://agcrops.osu.edu/node/4348
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 ...
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Soils and Soil Health
https://ohioline.osu.edu/factsheet/anr-0136
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 ...
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Fertility Recommendations
https://agcrops.osu.edu/node/4423
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 ...
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Developing Phosphorus and Potassium Recommendations for Field Crops
https://ohioline.osu.edu/factsheet/agf-0515
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 ...
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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 ...
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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 ...
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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. ...
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Graduate Exit Seminar- Anna Kolganova
https://senr.osu.edu/events/graduate-exit-seminar-anna-kolganova
is able to reduce CH4 emissions from soils. The methanogenesis processes in ruminants and soils are ... high forage, and almond hulls-containing diets is evaluated during an in-vitro experiment with rumen ... provide a direct interaction between methanogens and nitrites, without letting them into the blood system. ...
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Production of Other Small Grain Species
https://agcrops.osu.edu/node/4396
160 Rye 30 45 60 Soil Test Value Annual Recommendation (lb P2O5/ac) lb P/ac ppm 30 15 ... -------------CEC--------------------------CEC--------------------------CEC------------- Soil Test Value 10 20 30 10 20 30 10 20 30 lb K/ac ppm-----------------------------Annual ... Recommendation (lb K2O/ac)---------------------------- 50 25 150 190 230 160 195 240 165 255 300 150 75 75 ...