Impact of AMF Inoculation on Nutrient Uptake Efficiency In Early Vegetative Soybeans
Academic Level at Time of Presentation
Senior
Major
Agronomy
Minor
Unmanned Aerial Systems
List all Project Mentors & Advisor(s)
Dr. Iin Handayani
Presentation Format
Oral Presentation
Abstract/Description
Increasing crop efficiency while decreasing environmental impacts of agronomic inputs is a daunting challenge facing the agronomy industry. Soybeans, Glycine max, can greatly benefit from the supplementation of arbuscular mycorrhizal fungi (AMF) inoculation to optimize phosphorus and nitrogen absorption. Previous studies state that AMF species can be responsible for up to 90% of plant available phosphorus supplies as well as up to 20% of plant available nitrogen supplies. When native fungi populations are low, it can be challenging for soybeans to take up all the nutrients necessary for optimum growth. In attempts to combat this issue, AMF inoculation has emerged as an increasingly popular management practice. During inoculation, a small number of live fungi are applied to the soil during or shortly after planting to colonize and increase fungi populations. However, there is little evidence to support what application approach is the most suited to optimize nutrient uptake. The aims of this research include to compare a single species, high population inoculation approach to a diverse species, low population approach and determine their viability to improve nutrient uptake efficiency in early vegetative growth in soybeans. Based on existing literature, it was hypothesized that the single species method would increase nutrient uptake efficiency because of the lack of competition among species as in the diverse species approach.
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Honors College Senior Thesis Presentations
Impact of AMF Inoculation on Nutrient Uptake Efficiency In Early Vegetative Soybeans
Increasing crop efficiency while decreasing environmental impacts of agronomic inputs is a daunting challenge facing the agronomy industry. Soybeans, Glycine max, can greatly benefit from the supplementation of arbuscular mycorrhizal fungi (AMF) inoculation to optimize phosphorus and nitrogen absorption. Previous studies state that AMF species can be responsible for up to 90% of plant available phosphorus supplies as well as up to 20% of plant available nitrogen supplies. When native fungi populations are low, it can be challenging for soybeans to take up all the nutrients necessary for optimum growth. In attempts to combat this issue, AMF inoculation has emerged as an increasingly popular management practice. During inoculation, a small number of live fungi are applied to the soil during or shortly after planting to colonize and increase fungi populations. However, there is little evidence to support what application approach is the most suited to optimize nutrient uptake. The aims of this research include to compare a single species, high population inoculation approach to a diverse species, low population approach and determine their viability to improve nutrient uptake efficiency in early vegetative growth in soybeans. Based on existing literature, it was hypothesized that the single species method would increase nutrient uptake efficiency because of the lack of competition among species as in the diverse species approach.