Site
Search results
-
Crop Response to Potassium Fertilizer in Ohio
https://agcrops.osu.edu/newsletter/corn-newsletter/2024-04/crop-response-potassium-fertilizer-ohio
of yield penalty with no K application decreases as soil K levels go above 100 ppm. If the soil test ... (2023) classified Mehlich-3 soil K levels into <70, 70-100, 100-130, 130-160, and >160 ppm to ... yield, the higher the yield increase from K fertilizer. Generally, as the soil test K levels decreased, ...
-
Spring Forage Establishment
https://agcrops.osu.edu/newsletter/corn-newsletter/2024-08/spring-forage-establishment
Recommendations (https://forages.osu.edu/forage-management/soil-fertility-forages). Phosphorus levels for grass ... are optimal in the 20-40 ppm range, while the range for legumes is 30-50 ppm. When it comes to ... potassium the optimal range is 100-130 ppm for sandy soils with a CEC less than 5, for loam and clay soils ...
-
Spring Forage Establishment
https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-26-issue-2/spring-forage-establishment
Recommendations (https://forages.osu.edu/forage-management/soil-fertility-forages). Phosphorus levels for grass ... are optimal in the 20-40 ppm range, while the range for legumes is 30-50 ppm. When it comes to ... potassium, the optimal range is 100-130 ppm for sandy soils with a cation exchange capacity (CEC) less than ...
-
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 ...
-
Look Out for Nitrogen Loss Due to Heavy Rains
https://agcrops.osu.edu/newsletter/corn-newsletter/2024-09/look-out-nitrogen-loss-due-heavy-rains
N fertilizer was applied recently in such fields, especially without incorporation into the soil, there is high ... in Corn from Recent Storms Determine N in the soil: Pre-Sidedress Nitrogen test (PSNT) can be done to ... N would be needed in this article: Estimated and Soil Test Methods to Determine Supplemental N need after ...
-
Spring 2024 Weather & Soil Conditions: Update 3
50s and 60s on Thursday and Friday. High pressure will slowly take control over the weekend into early ... Soil Temperatures and Moisture Daily average soil temperatures jumped 5-10°F this week due to ... warmer conditions, randing from the low 50s in Ashtabula to as warm as 57°F at Western in Clark County ...
-
FRST Fertilizer Recommendation Support Tool Launches Nationwide to Digitize Crop Nutrient Management
Recommendation Support Tool), a decision-aid that provides an unbiased, science-based interpretation of soil test ... harmonize soil testing across state boundaries. It represents an improvement in our ability to evaluate soil ... test correlation.” The new web-based tool represents a significant advancement in soil testing for ...
-
Wheat Management for Spring 2024
https://agcrops.osu.edu/newsletter/corn-newsletter/2024-10/wheat-management-spring-2024
prior to or during Feekes 5.0 with 2,4-D and other labeled herbicides. This is also a good stage to ... visible above the soil surface and is commonly referred to as ‘jointing.’ Above this node is the head or ... https://www.youtube.com/watch?v=D_f3VrqzV5c&list=PLYlh_BdeqniJ8oD8TnyGhQHRd96ptV0Yt&index=1 Most herbicide applications should be made by the time wheat enters the Feekes 6 growth stage. ...
-
OSU Deoxynivalenol, DON, Resistance Screening Program-2024
and consistently lower DON levels are easier to keep low than those that were highly susceptible. ... temperatures between 59 ° F and 86 ° F. Table 1 below summarizes the DON ppm as an average across locations ... lowest average DON level. The variability among some of the hybrids with high DON levels led to high ...
-
Alfalfa Weevil Activity is Beginning to Peak
https://agcrops.osu.edu/newsletter/corn-newsletter/2024-10/alfalfa-weevil-activity-beginning-peak
days (GDD) and reaches their peak feeding and damage when heat units for the area are between 325 and ... 1 Recheck in a week 9 50 >1 Spray 12 75 >2 Spray 16 100 >4 Harvest early If alfalfa weevil ... pressure is high in a stand that is still short a pesticide treatment may be warranted. Consult the OSU and ...