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Nutrient Removal for Field Crops in Ohio
https://ohioline.osu.edu/factsheet/anr-96
manure equivalent at crop removal rates. Additionally, if soil test levels of P and K are below the ... critical level, then a "Buildup" recommendation would be considered to increase soil test levels ... soil test levels are at or above their respective maintenance limit, then no further P 2 O5 or ...
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Jay F. Martin
https://fabe.osu.edu/our-people/jay-f-martin
socio-economic analyses with stakeholder groups to investigate connections between downstream water quality and ... outreach projects 1) $18M USDA-NRCS study to evaluate the ability of high adoption rates of agricultural ... farmers, to identify fields with elevated nutrient levels where management practices will be installed and ...
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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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Estimated Return-to-Seed of Variable vs. Uniform Corn Seeding Rates
https://ohioline.osu.edu/factsheet/agf-520
to predict or identify areas of consistent yield levels (high, medium, low) and stability (stable vs. ... 18,000 to 50,000 seeds per acre. Most studies in Ohio were planted between early May and early June, and ... profitability—can vary within and among fields with small differences in soils and weather. Given the advances in ...
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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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The Basics of Grant Writing: Becoming Grant Ready
https://ohioline.osu.edu/factsheet/cdfs-4118
provides flexibility with the program guidelines at the local level. Pass-through grants are awarded to ... current data available from expert sources. Do not overdo the amount of data—find a good balance between ... foundation grantors hold collaboration and partnership in high esteem” (Smith & Tremore, 2008). ...
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Economic Outlook and Policy Webinar Series
https://aede.osu.edu/https%3A/aede.osu.edu/extension/economic-outlook-and-policy-webinar-series
on marginal lands. The global supply of food will not be at risk over the next century but there may ... a widening mismatch between workforce skills and job demands. We will also explore potential strategies to ...
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Interpreting a Soil Test Report
https://ohioline.osu.edu/factsheet/agf-0514
suitability to grow a chosen crop. Phosphorous and potassium soil test levels help us know if fertilizer is ... values is needed if they are not reported as ppm using a Mehlich 3 soil test. Soil test values reported ... in pounds per acre are converted to ppm by dividing pounds per acre by 2. If phosphorus soil test ...
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Narrow Row Spacing in Corn: Management Considerations for Ohio
https://ohioline.osu.edu/factsheet/anr-0152
date, hybrid maturity, row spacing, plant population, and input levels (Ahmad et al., 2010). Growers, ... farm level. In recent years, these dynamics have led to some interest in producing corn (Zea mays L.) ... greater yields were produced at the high-yield-potential site in South Charleston (>200 bushels per ...
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Effects of Lime and Gypsum Application on Vegetable Yields and Nutrient Availability in Muck Soil
https://ohioline.osu.edu/factsheet/anr-0102
to keep organic soils at a target pH of 5.3 to minimize the risk of micronutrient deficiencies ... state that the optimal pH range of muck soils should be between 5.3 and 5.8, depending on the crop ... The application of lime had no effect on soil test phosphorus (P) or potassium (K) values, but the ...