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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 ...

Executive Summary

https://agcrops.osu.edu/node/3486

rate recommendations for corn are based on an economic model designed to maximize farmer profitability ... Tri-State Fertilizer Recommendations for Corn, Soybeans, Wheat, and Alfalfa: Crop removal rates were updated ... with current analyses of grain P and K concentrations. Nutrient removal rates per bushel of grain have ...

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 ...

Phosphorus Fertilizer Recommendations

https://agcrops.osu.edu/node/3479

for pounds of P 2 O 5 per acre, not pounds of fertilizer per acre. Final fertilizer recommended rates ...

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, ...

Potassium Fertilizer Recommendations

https://agcrops.osu.edu/node/3480

fertilizer recommended rates in pounds of fertilizer per acre can be calculated by dividing the provided ...

Quick Reference Guide to Tri-State Fertilizer Recommendation Changes

https://agcrops.osu.edu/node/3488

extensive field trials over past decade. Details Grain nutrient removal rates per bushel of yield have ...

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. ...

Double-Cropping Soybean Following Small Grains

https://ohioline.osu.edu/factsheet/agf-103

photosynthesis Seeding Rate. Harvest population for mid- to late-June plantings should be between 130,000 to ... per acre. Harvest plant population is a function of seeding rate, quality of the planter operation, ... contact, and disease pressure. Figure 1 shows the partial economic return by seeding rate (grain price of ...

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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