Converting between Mehlich-3, Bray P, and Ammonium Acetate Soil Test Values
Bray P. When only soil test values in the agronomic range were considered (less than 50 ppm Bray P), ... relationships between Mehlich-3, Bray P, and Ammonium Acetate soil test extractants in the Tri-State Region. ... 3–1170 ppm, and Mehlich-3 K values ranged from 25–899 ppm. We examined relationships with all soil test ...
Use of Forage Chicory in a Small Ruminant Parasite Control Program
moderately drained soils with medium to high fertility provide conditions for optimal growth. Both spring ... recommends that soil pH be maintained above 5.5 for best results. Critical levels of soil phosphorus and ... totaling between 100 and 150 lbs of actual nitrogen/acre annually to achieve maximum yields of dry matter ...
Sudangrass as a Cover Crop in Ohio
average): May 20–Sept. 6 Upright growth habit: up to 8 feet Preferred soil pH: 6.0–7.0 Table 1. Rating the ... efotg.sc.egov.usda.gov/#/state/OH/documents/section=4&folder=-6. Performance Dry matter = 4,000–8,000 lb. per acre, per year Biomass quantity is highly dependent ... soil organic matter and reducing compaction. There is potential for prussic acid poisoning in livestock ...
Barley as a Cover Crop in Ohio
Sept. 28 Upright growth habit: 1.5–3.0 feet Preferred soil pH: 6.0–7.0 Table 1. Rating the traits of ... Expected Planting Drilled at ¾–1½ inches 50–75 lb./acre (pure live seed) Broadcast with shallow ... Performance Dry matter = 2,000–5,000 lb. per acre, per year Biomass quantity is highly dependent on ...
Oats as a Cover Crop in Ohio
average): July 2–Oct. 19 Upright growth habit: 2–5 feet Preferred soil pH: 6.0–7.0 Table 1. Rating the ... toward the high end of planting range if overwintering is not expected. Disclaimer: Rules for Financial ... Performance Dry matter = 1,000–4,000 lb. per acre, per year Biomass quantity is highly dependent on ...
Developing Phosphorus and Potassium Recommendations for Field Crops
+ (0.05 x CEC))] + (YP x CR) + 20 CL is the critical level (100 ppm at a CEC of 10), STL is the soil test ... test results are based on soil calibration studies that correlate soil test levels to crop yield ... crop (buildup stage). Once soil test values reach the critical soil test level, a maintenance approach ...
New USDA AFRI Award Brings the Power of High Throughput Phenotyping to Perennial Crops
High-Throughput Phenotyping for Coffee Yield, Physiological Performance and Disease Resistance” and will be funded ... high-throughput phenotyping (HTP) techniques to coffee breeding through the integration of hyper-spectral ... which is grown in widely diverse biophysical environments and agronomic systems. This highly ...
Grapevine Nutrient Management: Petiole Sampling and Analysis
availability. However, there is a poor relationship between soil and plant nutrient levels. While a soil may be ... adequate levels of another nutrient while the soil test indicates a deficiency. This poor relationship may ... Manganese (Mn) 25–1,000 ppm 3 31–150 ppm Iron (Fe) 30–100 ppm 31–50 ppm Copper (Cu) 5–15 ppm 5–15 ppm Boron ...
Rapeseed as a Cover Crop in Ohio
25–Oct. 19 Upright growth habit: 3–5 feet Preferred soil pH: 5.5–8.0 Table 1. Rating the traits of cover ... efotg.sc.egov.usda.gov/#/state/OH/documents/section=4&folder=-6. Performance Dry matter yield = 1,000–2,500 lb. per acre, per year Biomass quantity is highly ... crop rapeseed. Nitrogen scavenger Very good Soil builder Good Erosion fighter Very good Weed fighter ...
Radish as a Cover Crop in Ohio
Upright growth habit: 12–18 inches Preferred soil pH: 6.0–7.5 Table 1. Rating the traits of cover crop ... efotg.sc.egov.usda.gov/#/state/OH/documents/section=4&folder=-6. Performance Dry matter = 1,200–3,000 lb. per acre, per year Biomass quantity is highly dependent ... Very good Soil builder Good Weed fighter Very good Grazing Good Quick growth Very good Cash crop ...