You can swap out Katek for most other good chook manure based pelletized fertilizer. But the general information is valuable. http://katekfertilizers.com.au/newsletter/katek-commercial-growers-newsletter-july-september-2018/ What they wrote about growing snowpea is probably why mine don't perform so well. http://katekfertilizers.com.au/newsletter/katek-july-garden-guide/ I'll be paying more attention to my roses after reading this newsletter. I am currently repotting them but not giving that much fertilizer.