Journal Article Soil 142M471B3J Carbon Dioxide photodegradation 1406-18-4 Fatty Acids, Nonesterified GAN16C9B8O Glutathione H6241UJ22B Micronutrients Organic selenium Randomized Controlled Trial Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Review Selenium Thiobarbituric Acid Reactive Substances Vitamin E atmospheric pumping belowground networks carbonates dew dissolved inorganic carbon dissolved organic carbon drip loss environmental thresholds facilitation free fatty acids geological CO2