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1. Assessment Of Enhanced Efficiency Urea Products On Maize In MissouriUrea is the most commonly used N fertilizer worldwide, but can be easily lost to the environment through ammonia volatilization. Enhanced efficiency fertilizers (EEF) have been developed to help prevent these losses. Field studies were conducted from 2009 to 2011 on a Mexico silt loam (fine, smectitic, mesic, Vertic Epiaqualf) to determine the efficacy of five EEF urea products compare to untreated urea when surface applied to no-till maize (Zea mays L.). Treatments included untreated urea, Agrotain,... |
2. Applying N to legume-containing summer annual forage mixturesSummer annual forages are costly to implement but can provide quality grazing when cool-season perennial forages are less productive. Increasing botanical diversity may increase system productivity, thereby improving economic efficiency. However, there is debate as to whether annual legumes supply associated grasses with fixed N, leading to uncertainty regarding N application rates to legume containing summer annual forage mixtures. This experiment supplied three summer annual forage treatments... K. Mercier, C. Teutsch, S. Smith, E. Ritchey, K. Burdine, E. Vanzant |