Hardiness variablesfertility studies (Herrick)
3 nitrogen levels (75, 150, 300ppm)
- 30ppm P, 120ppm K
- plus Nutricoat CRF
3 durations (weekly until 9/1, 9/20, 10/10)= 6, 9, 12 weeks
3 species
- Achillea ‘Summer Pastels’
- Campanula ‘White Clips’
- Dianthus ‘Flashing Lights’