HSA | Soils and Sustainability
Absorption of Liquid Potassium Versus Dry Potassium in Corn (Zea Mays) and Soybeans (Glycine Max)
Academic Level at Time of Presentation
Freshmen
Major
agronomy
2nd Student Academic Level at Time of Presentation
Freshmen
2nd Student Major
Agronomy
2nd Student Minor
UAS
List all Project Mentors & Advisor(s)
Dr. Megan Taylor
Presentation Format
Poster Presentation - Murray State Access only
Abstract/Description
Absorption of Liquid Potassium Versus Dry Potassium in Corn (Zea Mays) and Soybeans (Glycine Max)
Hutson School of Agriculture, Murray, KY
Mentor: Dr. Megan Taylor
Jenna Grab and Garrett Williamson
Potassium management in the soil is very important for corn (Zea Mays) and soybeans (Glycine Max). Potassium not only plays a key role in water balance and transpiration, but also influences dry matter accumulation (yield). Potassium fertilizer is available in different forms, including both liquid and dry options. In this experiment, K-19 fertilizer (liquid potassium) and potash fertilizer (dry potassium) were used. This set of experiments evaluated the uptake of two different potassium fertilizer formulations through foliar and soil uptake. The fertilizers were applied post-plant to assess the efficacy of each form of fertilizer. To evaluate which form had the best uptake, a randomized complete block design was established in summer of 2023 at the Pullen Farm in Murray, KY. Results indicated there were significant differences in the uptake of potassium forms at different growing points. To further understand the underlying mechanism a randomized complete block design pot study was conducted in the greenhouse in Fall of 2023. There were two treatments, liquid and granular potash (dry). These treatments were applied post-plant (greenhouse/field), V6 (greenhouse/field), and R1 (field only). At termination, dry matter (above and below ground) was evaluated, and tissue tests were performed to determine the total amount of potassium in plant tissues. Initial results indicated that the application of dry versus liquid potassium increased plant stability compared to control.
Keywords: Zea Mays L., Glycine Max, Potassium (K), and Potash Fertilizer
Fall Scholars Week 2023 Event
Soils and Sustainability
Absorption of Liquid Potassium Versus Dry Potassium in Corn (Zea Mays) and Soybeans (Glycine Max)
Absorption of Liquid Potassium Versus Dry Potassium in Corn (Zea Mays) and Soybeans (Glycine Max)
Hutson School of Agriculture, Murray, KY
Mentor: Dr. Megan Taylor
Jenna Grab and Garrett Williamson
Potassium management in the soil is very important for corn (Zea Mays) and soybeans (Glycine Max). Potassium not only plays a key role in water balance and transpiration, but also influences dry matter accumulation (yield). Potassium fertilizer is available in different forms, including both liquid and dry options. In this experiment, K-19 fertilizer (liquid potassium) and potash fertilizer (dry potassium) were used. This set of experiments evaluated the uptake of two different potassium fertilizer formulations through foliar and soil uptake. The fertilizers were applied post-plant to assess the efficacy of each form of fertilizer. To evaluate which form had the best uptake, a randomized complete block design was established in summer of 2023 at the Pullen Farm in Murray, KY. Results indicated there were significant differences in the uptake of potassium forms at different growing points. To further understand the underlying mechanism a randomized complete block design pot study was conducted in the greenhouse in Fall of 2023. There were two treatments, liquid and granular potash (dry). These treatments were applied post-plant (greenhouse/field), V6 (greenhouse/field), and R1 (field only). At termination, dry matter (above and below ground) was evaluated, and tissue tests were performed to determine the total amount of potassium in plant tissues. Initial results indicated that the application of dry versus liquid potassium increased plant stability compared to control.
Keywords: Zea Mays L., Glycine Max, Potassium (K), and Potash Fertilizer