
Effect of variable annual precipitation and nutrient input on nitrogen and phosphorus transport from two Midwestern agricultural watersheds
Keywords: CC; continuous corn; CS; corn-soybean rotation; CV; coefficient of variation (standard deviation divided by mean); LCR; Little Cobb River; Mg; megagrams; NO3-N; dissolved nitrate-plus nitrite nitrogen; RL; reporting limit; SFIR; South Fork of the Iowa Riv