T.W. Shaddox, C.D. Ryan, and K. Tang. Reference ranges: A novel interpretation of turfgrass nutrient values. Agricultural & Environmental Letters, 2017, 2, 1, 160046.
T.W. Shaddox, C.D. Ryan, and K. Tang. Reference ranges: A novel interpretation of turfgrass nutrient values. Agricultural & Environmental Letters, 2017, 2, 1, 160046.