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Dairy manure field applications – How much is too much? Applying dairy manure to agricultural fields can help increase crop yields, improve soil water-holding capacity, and enhance soil fertility. However, when manures are applied to fields at high rates over a period of several years, nutrients can accumulate, causing eutrophication in drainage waterwa...
Drinking water treatment residuals: A Review of recent uses Coagulants such as alum [Al2(SO4)3•14H2O], FeCl3, or Fe2(SO4)3 are commonly used to remove particulate and dissolved constituents from water supplies in the production of drinking water. The resulting waste product, called water-treatment residuals (WTR), contains precipitated Al and Fe oxyhydroxide...
Learning Gains and Response to Digital Lessons on Soil Genesis and Development Evolving computer technology offers opportunities for new online approaches in teaching methods and delivery. Well-designed online lessons should reinforce the critical need of the soil science discipline in today’s food, energy, and environmental issues, as well as meet the needs of the diverse cli...
Clinoptilolite Zeolite Influence on Inorganic Nitrogen in Silt Loam and Sandy Agricultural Soils Development of best management practices can help improve inorganic nitrogen (N) availability to plants and reduce nitrate-nitrogen (NO3-N) leaching in soils. This study was conducted to determine the influence of the zeolite mineral Clinoptilolite (CL) additions on NO3-N and ammonium-nitrogen (NH4...
Copper Impacts on Corn, Soil Extractability, and the Soil Bacterial Community Dairies utilize copper sulfate foot baths to control hoof infections, with copper accumulation in agricultural soils realized when spent foot baths are disposed of in waste lagoons and subsequently utilized for irrigation. We investigated the effect of increasing copper applications (up to 1000 mg/...
Clinoptilolite zeolite influence on inorganic nitrogen in silt loam and sandy agricultural soils Development of best management practices can help improve inorganic nitrogen (N) availability to plants and reduce nitrate-nitrogen (NO3-N) leaching in soils. This study was conducted to determine the influence of the zeolite mineral Clinoptilolite (CL) additions on NO3-N and ammonium-nitrogen (NH4...
Biochar: A soil amendment worth considering Biochar is a fine-grained, carbon enriched product created when biomass (e.g. wood waste, manures) is burned at relatively low temperatures (less than 1300oF) and under an anoxic (lack of oxygen) atmosphere. The benefits of biochar addition to soils have long since been recognized. Amazonian dark ...
Clinoptilolite zeolite influence on inorganic nitrogen in silt loam and sandy agricultural soils Development of best management practices can help improve inorganic nitrogen (N) availability to plants and reduce nitrate-nitrogen (NO3-N) leaching in soils. This study was conducted to determine the influence of the zeolite mineral Clinoptilolite (CL) additions on NO3-N and ammonium-nitrogen (NH4...
Phosphorus Removal By Silage Corn In Southern Idaho Corn silage is the predominant crop in Idaho used for recovering phosphorus (P) that has accumulated in soils from dairy manure applications. However, little is known about how much phosphorus and other nutrients are being recovered under Idaho conditions. The objective of the study is to estimate p...
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