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Nitrogen
https://agcrops.osu.edu/node/3482
equipment considerations, and farmer preference. Nitrogen Rates for Corn Indiana, Michigan, and Ohio corn ... N rate recommendations (and those of Iowa, Illinois, Minnesota, and Wisconsin) are based on extensive ... N response trials conducted over several years in each state. These trials have determined the N rate at ...
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Phosphorus and Potassium
https://agcrops.osu.edu/node/3478
a four-year period. For deficient soils, recommended rates of fertilizer should be applied annually. When ... K fertilizer rate in the build-up range. The new recommendations classify all loam and clay soils together (CEC ... >5 meq/100 g) into a consistent and simplified recommendation. P and K Crop Nutrient Removal Rates ...
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Tri-State Fertilizer Recommendations- Additional Resources
https://agcrops.osu.edu/node/3487
Nitrogen Rate Calculator, cnrc.agron.iastate.edu Sawyer, John, Emerson Nafziger, Gyles Randall, Larry ... Bundy, George Rehm, and Brad Joern. 2006. Concepts and Rationale for Regional Nitrogen Rate Guidelines ... Removal Rates Culman, Steve, Phoo P. Zone, Nakian Kim, Anthony Fulford, Laura Lindsey, Peter Thomison, ...
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Calcium, Magnesium, and Sulfur
https://agcrops.osu.edu/node/3477
rotating out of alfalfa to have depleted soil test K levels. Sulfur removal rates are listed in Table 29. ...
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Micronutrients
https://agcrops.osu.edu/node/3476
granular or foliar formulations. All reputable fertilizers should be labeled for rate, spray volume, ...
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Drought Returns to Ohio
https://agcrops.osu.edu/newsletter/corn-newsletter/2020-23/drought-returns-ohio
less than 0.10”. With very little rain and intense evaporation rates (0.25-0.30” per day), soil ...
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Late Summer Establishment of Perennial Forages
and rates before applying any product. For conventional tillage seeding prepare a firm seedbed to ...
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Short-Season Forages for Late Summer Planting
https://agcrops.osu.edu/newsletter/corn-newsletter/2020-23/short-season-forages-late-summer-planting
mid-bloom alfalfa. As a grass, maximum inclusion rates in diets for animals with high nutritional demand ...
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Corn Pollination
https://agcrops.osu.edu/newsletter/corn-newsletter/2020-22/corn-pollination
temperature conditions, this can happen more quickly. Moisture stress can slow the rate of silk elongation as ... Corn growth and development. Iowa State Univ. Ext. PMR 1009. Aylor, D.E. 2003. Rate of dehydration of ...
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Double Crop Soybean Recommendations
https://agcrops.osu.edu/newsletter/corn-newsletter/2020-20/double-crop-soybean-recommendations
photosynthesis. Seeding Rate. Harvest population for mid- to late June plantings should be between 130,000 to ... plants/acre. Harvest plant population is a function of seeding rate, quality of the planter operation, and seed ... pressure. Figure 1 shows the partial economic return by seeding rate (grain price of $9.44/bu and seed cost ...