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1. Biofuel Byproducts As Nitrogen Sources for CropsThe new development of ethanol and biodiesel plants in the United States is creating a large, and potentially excessive, quantity of byproducts in the forms of distillers grains and oilseed meals. The organic nitrogen (N) compounds in these byproducts rapidly mineralize in soils, showing the potential to be used as a N fertilizer source to plants. The objective of this research is to evaluate the application of biofuel byproducts on yield, size distribution, and nutrient uptake for Russet Umatilla... A. Moore, A. Alva, H. Collins, R. Boydston |
2. Nitrogen Fertilizer Rate and Timing Implications for Malt, Food, and Feed Barley Production in Southern IdahoNitrogen is an essential nutrient required to produce high-yielding barley. Nitrogen strongly impacts barley yield, grain protein, tillering, and lodging potential. Unlike other crops such as corn, available nitrogen must be carefully managed for producers to achieve both optimal yield and grain quality for malt, food, and feed barley. Exessive nitrogen availability increases grain protein concentration that may be unsuitable for malting but may be ideal for feed or food barley. The objective... J. Spackman, O. Walsh, A. Adjesiwor, O. Adeyemi, J. Sagers, R. Findlay, J. Bevan |
3. Precision Fertilizer Management Enabled by Printed Sensors for Direct Soil Nitrate MonitoringModern farming relies on intensive fertilizer applications to ensure the plant production. However, a key challenge in fertilizer management, particularly nitrogen, is achieving a balance between maximizing crop yields and pursuing environmental stewardship. Uniform fertilizer applications often result in inefficiencies. Some areas receive insufficient fertilizer, resulting in reduced crop yields and caused financial losses. In contrast, other areas receive excessive amounts, leading to surplus... K. Chen, J. Andrews |
4. Lime Incubation for Southern Idaho SoilsSoil acidity is a growing concern for agricultural productivity in Idaho, particularly in the eastern and northern regions where soils are trending acidic. Soil acidity below a pH 5.5 adversely affects the root development and nutrient uptake of crops like alfalfa, barley, and wheat. This study aims to determine the lime requirements for acidic soils in Idaho to optimize crop growth, specifically targeting pH levels of 5.5, 6.0, 6.5, and 7.0. Soil samples were collected from various grower fields... K. Young, J. Spackman, T. Jacobsen, J. Sagers, J. Hatch, R. Ritchie, J. Williams, K. Schroeder, A. Adjesiwor |
5. Micronutrient Management to Optimize Yellow, Brown and Oriental Mustard Production in Southern IdahoOilseed crops hold a significant position in global agriculture, serving as vital sources of essential oils and as raw materials for numerous industries. Among these, yellow, brown, and oriental mustard are prominent for their multifaceted uses, particularly in the culinary and industrial sectors. However, these mustard varieties face challenges in achieving their maximum yield potential, largely due to suboptimal nutrient management practices. Fertilizer programs, though essential for productivity,... H. Ali, J. Spackman, J. Pandey |
6. Liming for Improved Nutrient Utilization and Weed Management in WheatSoil acidification is an increasing concern for agricultural productivity in Eastern Idaho, where low soil pH threatens the yield and quality of key crops such as barley and spring wheat. Acidification occurs from the long-term application of ammonium-based fertilizers and other management practices, leading to aluminum toxicity and nutrient imbalances that inhibit root development and reduce yields. Farmers in the region are exploring strategies to address this challenge, including the use of... T. Jacobsen, J. Spackman, A. Adjesiwor, J. Sagers, K. Schroeder, J. Bevan, K. Mookodi, J. Gibbons |