Effects of Various Nitrogen Sources, Timing, and Rates on Quality and Growth Rate of Cool-Season Turfgrasses 1

@inproceedings{Ledeboer1973EffectsOV,
  title={Effects of Various Nitrogen Sources, Timing, and Rates on Quality and Growth Rate of Cool-Season Turfgrasses 1},
  author={Fred B. Ledeboer and Conrad R . Skogley},
  year={1973}
}