Site
Search results
-
P & K Fertility Decision with Tight Margins
https://agcrops.osu.edu/newsletter/corn-newsletter/2024-35/p-k-fertility-decision-tight-margins
were above 20 ppm P (Rakkar and LaBarge, 2024). When P is not applied, how much a soil test P level ... K fertilizer in 95-98% of trials when soil test K was above 130 ppm, indicating a low risk of yield penalty. ... yield increases were about 4%. It is when soil K levels were below 100 ppm that about 40-50% of trials ...
-
Forage Nitrate Toxicity a Major Concern as Drought Worsens
drought-stressed corn can be at risk of high nitrate levels the greatest risk is in corn that was not ... conditions can cause unforeseen challenges with forages. We have had multiple reports of high nitrate levels ... the results. Table 1: Interpretation of nitrate forage test results. ppm NO 3 (DM) Percent NO 3 ppm NO ...
-
Drought to Frost: Feeding Safe Forages
https://agcrops.osu.edu/newsletter/corn-newsletter/2024-35/drought-frost-feeding-safe-forages
of nitrogen fertilization or manure history and in soils that have high nitrogen to low phosphorus ... imbalance. Be sure to make fertilization decisions based on regular soil tests. Plant maturity The ... increase the risk of prussic acid poisoning, nitrate poisoning, and increased bloat in multiple methods of ...
-
Phosphorus Nutrient Management for Yield and Reduced P Loss at Edge of Field
https://ohioline.osu.edu/factsheet/agf-509
site and rate criteria from Assessing Nutrient Loss Risk in Ohio (NRCS) between 50 to 200 PPM. Time ... step 7. STP value of 50 PPM Mehlich III or less: CROP YIELD —Reduce risk of crop yield losses with ... available. The maintenance STP range is "critical level" to 40 PPM in corn soybean rotation and 50 ...
-
Celebrate National Nematode Day and Collect a Soil Sample for SCN Testing
soil testing this autumn. Free SCN Soil Testing With funding from the Ohio Soybean Council and in ... pH, and the SCN female index on PI88788. This calculator underscores the critical need for autumn soil ... testing. As the season progresses, we encourage growers to take soil samples for SCN analysis. Wishing you ...
-
Risk of Corn Grain Contamination with Vomitoxin in Ohio in 2024: Projection for the Weeks of July 21 and 29
growth stage between July 21 and August 4 are at high risk of being contaminated with at least 1 ppm ... As more data are collected, models will be developed to predict the risk of higher levels of ... contamination (2 ppm, 5 ppm, etc etc). More information on vomitoxin risk assessment and management in corn can ...
-
Potassium Uptake and Ohio Crop Response
https://ohioline.osu.edu/factsheet/anr-0147
a measure of the risk of yield loss at a given soil-test K level without fertilizer applied during the ... total K content of Ohio soils is between 12,500 ppm and 30,500 ppm (Ames & Gaither, 1913). Even ... yield. For loams and clays, this would be 170 ppm; for sandy soils, it is 130 ppm. The range of soil test ...
-
The Season’s First Widespread Frost and Freeze Potential
drought conditions persist. While pastures have greened up, the lack of precipitation is keeping soil ... Weather Forecast The week is starting out much cooler, with gusty northwesterly winds and high ... temperatures only in the upper 40s to mid 50s. Scattered showered and storms are possible through Tuesday, with ...
-
Understanding Agroecosystem Tradeoffs in a Changing Climate Webinar
production scenarios on soil and water outcomes. Join us for an insightful webinar, Understanding ...
-
Fertilizer and Manure Regulations in the Lake Erie Western Basin Watershed
https://ohioline.osu.edu/factsheet/anr-0156
fertilizers containing nitrogen (N) and phosphorus (P) in the Western Lake Erie Basin under certain soil and ... snow-covered or frozen soil when the top 2 inches of soil are saturated from precipitation in granular form, ... and when the local weather forecast has a greater than 50% chance of precipitation exceeding 1 inch in ...