They are the set of compost preparations, you will find them in this order:
502 yarrow
503 chamomile
504 nettle
505 oak
506 dandelion
507 valerian

Utilities

A preparation that helps to transform plant and animal organic matter, they are substances that help to unblock soil elements and enhance life. These preparations strengthen the quality of the compost through the stabilization of various nutrients, multiplying microbial activity and providing greater sensitivity to the composting process.

If you want more information you can visit our YouTube channel and our blog, where you will find more content on its preparation, use and employment.