Physical and Mineral-Nutrition Properties of Sand-Based Turfgrass Root Zones Amended with Biochar von Brockhoff, Shane R, Christians, Nick E, Killorn, Randy J, Horton, Robert, Davis, Dedrick D

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Effect of the Application of Biochar on Selected Soil Chemical Properties, Corn Grain, and Biomass Yields in Iowa von Unger, Rachel, Killorn, Randy

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Effect of Three Different Qualities of Biochar on Selected Soil Properties von Unger, Rachel, Killorn, Randy

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Effects of Soil Application of Different Biochars on Selected Soil Chemical Properties von Unger, Rachel, Killorn, Randy, Brewer, Catherine

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Nitrificacion del amonio a partir de un fertilizante de liberacion controlada y urea convencional en dos suelos de Iowa, EEUU von Barrios, Marta, Killorn, Randy, García, Judith

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Phosphorus fertilizer by-product effect on the interaction of zinc and phosphorus in corn and soybean von Hernandez, Jorge David, Killorn, Randy

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No‐Tillage Soybean Response to Banded and Broadcast and Direct and Residual Fertilizer Phosphorus and Potassium Applications von Buah, Samuel S.J., Polito, Thomas A., Killorn, Randy

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Soil P forms and P uptake under intensive plant growth in the greenhouse von Killorn, Randy, Henríquez, Carlos

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La Geostadistica en el estudio de la variacion espacial de la fertilidad del suelo mediante el uso del interpolador Kriging von Henríquez, Carlos, Killorn, Randy, Bertsch, Floria, Sancho, Freddy

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Applicator for Spreading Liquid Manures on Small Research Plots von Wetterauer, Donald, Killorn, Randy

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Soil P forms and P uptake under intensive plant growth in the greenhouse von Henríquez, Carlos, Killorn, Randy

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Formas y absorción de P en plantas creciendo intensivamente en invernadero von Carlos Henríquez, Randy Killorn

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Soil P forms and P uptake P under intensive plant growth in the greenhouse von Randy Killorn, Carlos Henríquez

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La geostadística en el estudio de la variación espacial de la fertilidad del suelo mediante el uso del interpolador Kriging von Carlos Henríquez, Randy Killorn, Floria Bertsch, Freddy Sancho

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STATISTICAL ANALYSIS OF PHOSPHORUS ADSORPTION DATA BY USING MULTIVARIATE ANALYSIS OF VARIANCE1 von KILLORN, RANDY, LEWIS, G. C.

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The efficacy of two nitrification inhibitors at high temperature in two Iowa soils von Zourarakis, D. (Iowa State Univ. Ames, IA), Killorn, R

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Statistical analysis of phosphorus adsorption data by using multivariate analysis of variance von KILLORN, R, LEWIS, G. C

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Composting animal manure with municipal yard trimmings von Wetterauer, D. (Iowa State University.), Killorn, R

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