Waterhemp on The Rise
distribution of problematic weed species across the state. Transects are driven through the top 45-50 soybean ... combined across rating levels. Information about this was covered in a previous C.O.R.N. article. Waterhemp ... increases the risk of developing herbicide resistance (Nordby et al. 2007). Across the US, waterhemp has ...
On Our Watchlist: Seedcorn Maggot and Alfalfa Weevil
to planting. The nice rotty smell attracts the adult flies to lay eggs in the soil, which hatch into ... soils the seeds will be slow to germinate and there is a greater likelihood that the seed coating will ... incorporated into the new growth. But if the seed sits in the soil too long before germinating, much of the ...
Congratulations to Student Award Winners!
within their respective fields. 2023 Recipients: Kate Beran- ATI Crop Management and Soil Conversation, ...
Warmer Weather Ahead
week in the 60s and 70s for highs followed by a cool down later in the week with highs in 50s to near ... bring periods of windy weather for the first half of April. Normal high temperatures are now 55 ... a big surge of warmer weather starting about next Thursday for a solid week which could push high ...
Drones for Spraying Pesticides- Part 2: Opportunities and Challenges
sprayer to get in the field, the sprayer is likely to cause a significant level of soil compaction ... soil is too wet, which happens frequently in some parts of Ohio, 5) drone spraying may be the best ... choice to avoid soil compaction and crop damage caused by ground equipment traffic when spraying fields ...
Two Rate Nitrogen Trial- MRTN vs. MRTN (+50)
response over various soils, hybrids, and weather conditions. However, questions still exist on how the ... propose a simple two-rate trial that compares the MRTN rate to a rate 50 pounds higher to check the yield ... nitrogen rates replicated no less than three times. The total N rate (MRTN and MRTN +50) should include all ...
Battle for the Belt: Episode 6
adjustments due to soil variability (e.g., wet, dry, marginal, optimum areas), 3) row-unit settings (e.g., ... week. Temperature conditions at planting were considered adequate, average soil t emperatures at ... 66 °F (Table 1). Table 1. Study locations, planting dates, and mean soil and air temperatures for ...
Using Soil Tests Phosphorus Results to Identify Agronomic and Conservation Needs
chance of more than 0.5 inches of rainfall. Soil Test Phosphorous (STP) values are above 50 PPM Mehlich ... water quality. Fields with Soil Test Phosphorus (STP) levels two to three times higher than the ... Between 20-40 PPM (or 30-50 PPM if wheat/alfalfa are in the rotation) Greater than 50 PPM More detailed ...
Do I Really Need to Wait for the Fly-Free Date? Wheat Planting Date and Other Management Considerations for Fall 2022
than corn or soybean, and soil test levels should be maintained between 30-50 ppm (Mehlich-3 P) for ... optimum production (Table 1). Do not add any phosphorus if soil test levels are higher than 50 ppm. Table ... Wheat, and Alfalfa. Soil potassium should be maintained at levels of 100-130 and 120-170 ppm (Mehlich-3 ...
Managing Phosphorus for Yield and Reduced Edge of Field Losses
level. At 20 PPM or less, the risk of yield loss increases. Annual in season P nutrient application ... applications when STP is greater than 150 PPM. Follow NRCS 590 site and rate criteria between 40 to 150 PPM ... 8. 8. BMPs for high risk P loss sites: Monitor fields for P loss using the Ohio P risk index and ...