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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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Calculating Cation Exchange Capacity, Base Saturation, and Calcium Saturation
https://ohioline.osu.edu/factsheet/anr-81
example of typical soil test levels in Ohio (in ppm). We can calculate the collective charge each cation ... by the soil test levels. For calcium, a soil test level of 2000 ppm, divided by 200 equals 10.0 ... (ppm) to meq/100 g soil for base and acid cations to determine CEC. Base Cation Soil test level (ppm ...
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Food Preservation: Basics for Canning Fruit
https://ohioline.osu.edu/factsheet/hyg-5343
they contain high enough acid levels to prevent the growth of Clostridium botulinum spores and the ... production of botulism toxin. Additionally, when properly canned fruits are heated long enough at high enough ... Check Table 2 for the correct amount of headspace to leave between the top of the fruit and the jar lid. ...
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Check Roots for Soybean Cyst Nematode: What’s Your Number?
to 50 paces. Carefully remove soil from the roots (a water bucket can help) and look for SCN females ... resistant varieties (a shift in virulence). Maintaining low SCN levels is much easier than reducing high ... process up to two soil samples per grower for SCN testing, free of charge [read more here]. Share your ...
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Debbie Surprises but Drought Intensifies Across the Southeast
average through Thursday, with highs in the 70s and overnight lows in the 40s and 50s. A warming trend ... begins this weekend, with highs pushing back into the 80s and 90s. Rainfall is forecast to be at a minmum ... (Figure 3). Climate averages include a high-temperature range of 81-85°F, a low-temperature range of ...
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Gibberella Ear Rot and Mycotoxins in Corn: Sampling, Testing, and Storage
https://ohioline.osu.edu/factsheet/AC-52
screening steps. Semi-quantitative tests estimate vomitoxin at or above certain levels (>5 ppm) or within ... (DON), also called vomitoxin. As a result, high levels of Gibberella ear rot severity and moldy grain are ... usually accompanied by high levels of vomitoxin. Mycotoxins are harmful to both humans and animals. ...
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Phosphorous Phield Day
https://agcrops.osu.edu/events/phosphorous-phield-day
from Conservation Ditches on farm fields as a soil amendment to reduce chemical fertilizer use and ... loss into waterways. Soil and Water Management ...
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Crop Response to Phosphorus Fertilizer in Ohio
https://agcrops.osu.edu/newsletter/corn-newsletter/2024-03/crop-response-phosphorus-fertilizer-ohio
soil P levels go above 20 ppm. If the soil test P level is less than 20 ppm, there is an increased risk ... less than 10 ppm, the median relative yield was 87%. As the soil test P level increased above the ... the Mehlich-3 soil test P level. The Mehlich-3 soil P measures the readily available soil P for crop ...
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Regional Crop Updates: August 6-12, 2024
https://agcrops.osu.edu/newsletter/corn-newsletter/2024-27/regional-crop-updates-august-6-12-2024
are in good condition with adequate soil moisture levels. Soybean growth stage ranges from R2 (full ... bloom) to R6 (full seed), and corn is anywhere between R2 (blister) and R4 (dough). Disease pressure is ...
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Lep Monitoring Network – Fall Armyworm Update and Last Week of Corn Earworm Reports # 19
counterparts: true, beet, and yellowstriped. This armyworm is a tropical pest that overwinters in warm soil in ... (Figure 3). Counties with high reports that should begin scouting are: Henry, Lucas, Van Wert, and Wayne. ...