Browsing Soil, Environmental and Atmospheric Sciences electronic theses and dissertations (MU) by Thesis Advisor "Nelson, Kelly Allan"
Now showing items 1-4 of 4
Alternative tillage and nitrogen management options to increase crop production and reduce nitrous oxide emissions from claypan soils (University of Missouri--Columbia, 2010)The Central Claypan Region covers an area of 10 million acres of claypan or claypan-like soil in Missouri, Oklahoma, Kansas, Iowa, and Illinois. Agricultural production on claypan soil can have lower yield and a greater ...
(University of Missouri--Columbia, 2011)Surfactants with solvent and wetting abilities are used in the formulation of herbicides to enhance spraying capabilities. These chemicals eventually enter into the soil and may disrupt different chemical, physical and ...
(University of Missouri--Columbia, 2012)Farmers are interested in the use of enhanced efficiency phosphorus (P) fertilizer applications or treatments. The objectives of this research are (1) to determine the effects of tillage/fertilizer placement [no-till ...
Utilization of managed subsurface drainage to increase corn and forage yields and reduce nitrogen loss in poorly-drained, upland and bottomland soils (University of Missouri--Columbia, 2014)