Drewry Receives Prestigious NSF CAREER Award
STEM at the high school level. The “ Land-Atmosphere Coupling and Feedback in the Context of Climate ... project, titled: “Land-Atmosphere Coupling and Feedback in the Context of Climate Change,” is a highly ... the Division of Atmospheric and Geospace Sciences. The project dives into the interactions between ...
Use of a Brown Mid-Rib Sorghum x Sudangrass Hybrid in a Small Ruminant Parasite Control Program
Critical levels of soil phosphorus and potassium are 15 ppm and 100 to 120 ppm respectively. Similar to ... are between 60 and 65°F. At these soil temperatures, the seed will germinate quickly and a dense ... stand will be established. Although sorghum x sudangrass will tolerate soil pH levels of 6.0 and lower, ...
Student Spotlight: Cassie Leigh Collins
future site of the Ohio State and Voyager joint venture laboratory that will allow researchers to test ...
Introduction to Graduate- Level East Asian Studies
AGSYSMT 7786 This interdisciplinary course is a combination of student explorations of scholarly work in East Asia and subjects in these cultures. Readings and presentations on the impact of STEM in agriculture and environment on the cultures in East Asia ...
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 ...
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 ...
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 ...
Drones for Spraying Pesticides—Opportunities and Challenges
likely to cause a significant level of soil compaction resulting in reduced crop yield. Spot spraying, ... spraying and the high level of public demand for relaxation of current rules and regulations. Universities, ... a number of important data points: soil characteristics (type, moisture content, and nutrient content) ...
Soil Terminology and Definitions
of soil antecedent biological activity. A high BR generally indicates higher soil microbial activity, ... accumulation in the soil. This index can be used as an early and sensitive indicator of carbon or soil organic ... and macropores leading to soil compaction and decreased soil organic matter levels. Soil compaction ...
Gibberella Ear Rot and Mycotoxins in Corn: Sampling, Testing, and Storage
screening steps. Semi-quantitative tests estimate vomitoxin at or above certain levels (>5 ppm) or within ... (DON), also called vomitoxin. As a result, high levels of Gibberella ear rot severity and moldy grain are ... usually accompanied by high levels of vomitoxin. Mycotoxins are harmful to both humans and animals. ...