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Ohio Phosphorus (P) Use by Crop Reporting District
https://ohioline.osu.edu/factsheet/anr-0144
2022. The reduction rate ranges from 50 to 868 tons per year. Seven of nine Ohio CRDs show an increase ... (2018–2022). Statewide P 2 O 5 trendline data showed an increasing annual use rate of 7,052 tons (1987–1996) ... and a decreasing rate of 2,424 tons from 1994 to 2022 (LaBarge, 2023). Table 2 shows the trendline ...
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Phosphorus (P) Nutrient Use in Ohio
https://ohioline.osu.edu/factsheet/anr-0143
management: right rate right place right time right source 4Rs nutrient goals are improved crop productivity ... P 2 O 5 removal rates for each crop. Since 2003, P 2 O 5 removal through crop harvest exceeded applied nutrients, ... resulting in a net annual removal rate of 8 pounds of P 2 O 5 per acre. Increased yield and less applied ...
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Shiitake Mushroom Production: Troubleshooting
https://ohioline.osu.edu/factsheet/f-0105
recommended rates and holes drilled farther apart than recommended can take longer to colonize. These factors ...
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Understanding How Soil Test Phosphorus Impacts Water Quality
https://ohioline.osu.edu/factsheet/anr-0111
practices beyond 4R nutrient management (right source, right rate, right time, and right place) may be ... P loss accelerates at an increased rate through subsurface drainage, as identified from research ... conducted at locations in and near Ohio. Study Location STP (PPM) change point where the rate of P loss ...
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Ohio Agricultural Fertilizer Applicator Certification Requirements: Who Needs to Get Certified and What Steps to Take
https://ohioline.osu.edu/factsheet/anr-0142
training focuses on the 4 Rs of nutrient management: right source of nutrients, right rate, place, and ... of fertilizer application number of acres treated rate of application (i.e., pounds of fertilizer per ...
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ANR-841-2E: Tobacco Sucker Control
https://ohioline.osu.edu/factsheet/anr-0841-2e
chemicals contain maleic hydrazide (MH) as the active ingredient. Maleic hydrazide used at the proper rate ... showed that higher-than-suggested rates of a systemic spray or spraying two or more times did not improve ... higher-than-suggested rates or improper concentrations are used. Do not mix contact sprays with insecticides for ...
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Best Practices for Effective Spraying In Orchards and Vineyards
https://ohioline.osu.edu/factsheet/fabe-539
required application rate, sprays droplets of the proper size on the target uniformly, and minimizes the ... accuracy also apply to manual sprayers: Maintain a consistent walking speed to keep the application rate ... relatively uniform throughout the operation. Maintain the same spraying pressure to keep the application rate ...
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Selecting the Right Type and Size of Nozzles for Effective Spraying in Orchards and Vineyards
https://ohioline.osu.edu/factsheet/fabe-534
minimize spray drift, and allow compliance with label requirements such as the application rate (gallons ... a desired flow rate, spray angle, and spray pattern (Figure 5a and 5b). The flow rate of the nozzle is ... a greater flow rate and bigger droplet size at the same pressure. Figure 7. Cores with slanted holes that ...
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Developing Phosphorus and Potassium Recommendations for Field Crops
https://ohioline.osu.edu/factsheet/agf-0515
removal rate for the crop and the yield potential. The optimal soil-test range for corn is 20–40 ppm. When ... increased rate. The buildup portion of the recommendation may not be desirable in all fields. Farmers can ... The use of the table to identify a recommended nutrient rate is straight forward: The crop and the ...
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Best Practices for Effective and Efficient Pesticide Application
https://ohioline.osu.edu/factsheet/fabe-532
for the job. Sprayer operation parameters: application rate, spray pressure, ground speed Type of ... determine the appropriate size of that nozzle size that provides the application rates (gal / acre) ... during the spraying season. Some may argue that most sprayers are now equipped with sophisticated rate ...