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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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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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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 ...
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Understanding How Soil Test Phosphorus Impacts Water Quality
https://ohioline.osu.edu/factsheet/anr-0111
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) ...
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Nutrient Management of Forage Crops Intended for Hay
https://ohioline.osu.edu/factsheet/anr-0109
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 ...
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Topdressing Wheat with Liquid Swine Manure
https://agcrops.osu.edu/newsletter/corn-newsletter/2023-06/topdressing-wheat-liquid-swine-manure
fertilize wheat is to know the manure’s nitrogen content. Most manure tests reveal total nitrogen, ammonia ... manure will contain between 30 and 40 pounds of ammonia nitrogen per 1,000 gallons. Finishing buildings ... wheat. The concern with manure tankers is soil compaction, especially on heavy soils. The drag hose ...
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2023 Corn College and Soybean School Recordings Available
://www.youtube.com/watch?v=cRWlnBLdouI&list=PLYlh_BdeqniLC0ND3DkF7uTo5NLQFs4Vo&index=2&t=1130s Soil Fertility Management for 2023. Dr. Kurt Steinke from ... abiotic stress, including imbibitional chilling, soil crusting, lodging, and flooding. https ... ://www.youtube.com/watch?v=U0GWKTt8GIs&list=PLYlh_BdeqniLC0ND3DkF7uTo5NLQFs4Vo&index=1&t=1703s Soybean Management for ...
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Disease Management
https://agcrops.osu.edu/node/4391
states. Yield losses as high as 30 to 50 percent are not uncommon in fields planted with susceptible ... available with moderate to high levels of resistance to leaf rust, powdery mildew, and wheat Spindle Streak ... disease-causing fungi. 6. Use a well-balanced fertility program based on a soil test. Apply sufficient amounts of ...
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Harvesting
https://agcrops.osu.edu/node/4425
4.0 U.S. No. 4 49.0 1.0 10.0 5.0 U.S. No. 5 46.0 3.0 15.0 7.0 U.S. Sample grade is ... level at which to harvest for dry grain storage is 25 percent. Corn normally dries approximately 0.75 to ... is delayed much beyond maturity. Ear drop damage may be high in some years as a result of extensive ...