Champost is mushroom compost. Mixing it with chalk makes it very alkaline. Champost is made weed and disease free by heating it to 70°C. This makes it conform EU Regulation [EC] 1069/2009* and French NFU standard 44051.
Champost is an easy to process soil improver with a
lower nitrogen coefficient than manure;
higher level of effective organic matter than manure;
pH-increasing effect;
lower price than vegetable, fruit and garden waste and other green compost
Basic Regulation (EC) No. 1069/2009, in conjunction with implementing Regulation (EC) No. 142/2011 regulates the use of animal by-products.