| Biological control beats chemical in recent trial
| Anonymous. 2021. Greenkeeper International. September. p. 68-69.
| More | 320737 |
| Reducing seasonal stress
| Anonymous. 2021. Greenkeeper International. August. p. 72-73.
| More | 320734 |
| Stressgard products proven in STRI trial
| Anonymous. 2021. Greenkeeper International. June. p. 74-75.
| More | 320660 |
| Get with the programme: STRI trials demonstrate the importance of 'programmed approach'
| Anonymous. 2019. Greenkeeper International. October. p. 62-63.
| More | 313403 |