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Plant Populations and Seeding Rates
https://agcrops.osu.edu/node/4421
State University research, optimum plant populations for silage are about 2,000 to 4,000 plants per acre ... moisture averaged about 24 percent on the first harvest date, 18 percent on the second harvest, and 17.5 ...
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Chicken Keeping Class
https://cuyahoga.osu.edu/news/chicken-keeping-class
Join OSU Extension Cuyahoga County for an evening to learn about getting started raising chickens ...
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Corn Growth and Development
https://agcrops.osu.edu/node/4409
tasselcompletely extended. A single plant can release ½ million or more pollen grains per day; silks receptive to pollen for about 10 days. R2 Blister 266 1686 Occurs 10-14 ... ear. R5 Dent – 1/2 milk line Occurs about ... publication No. 6102, Rev. 2013 **Based on horizontal leaf method for staging plant growth (V/R-stage is ...
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Growing Degree Day (GDD) Maturity Rating System
https://agcrops.osu.edu/node/4413
calculation method most commonly used for corn in the U.S. is the 86/50 cutoff method. GDD are calculated as ...
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Late Planting
https://agcrops.osu.edu/node/4336
for the first half of June are about 200,000 to 225,000 seeds per acre. For the last half of June, ... a four-day delay in planting delays physiological maturity about one day. In the last half of June it takes ... goes down and there is concern about whether late maturing varieties will mature metering to achieve ...
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How Climate Affects Corn Production
https://agcrops.osu.edu/node/4407
slowly at about 50 degrees Fahrenheit, the first spring planting dates usually begin when the average air ... corn is about 10-inches tall and the probability of freezing temperatures greatly decreases. The loss ... system. When plants are very small (prior to six-leaf collar stage), they generally are killed after about ...
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Date of Planting
https://agcrops.osu.edu/node/4418
conditions allow is usually safe. The latest practical date to plant corn ranges from about June 15 in ... to +38 percent. Averaged across site years, yields decreased about 11 percent. For five of the 14 ... planting. For each day that planting was delayed after May 1, the reduction in GDD requirement was about 6.5 ...
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Replanting
https://agcrops.osu.edu/node/4338
example: A stand count reveals that for most of the field there are about 1.5 plants per foot of 7.5-inch ... recommended seeding rate for the date on which the interseeding could take place, plus about 10 percent to ... seeds per foot of row or about 100,000 seeds per acre or 40 pounds of seed if there were 2500 seeds per ...
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Crop Rotation
https://agcrops.osu.edu/node/4326
indicate that a soybean crop following a crop other than soybeans will usually yield about 10 percent more ...
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Fertilization Recommendations
https://agcrops.osu.edu/node/4348
Soybeans use large amounts of sulfur. A crop yielding 60 bushels per acre contains about 25 pounds of ...