Study on organic waste types and agricultural material appropriate to expand the varieties of earthworm species, mineral eye snot sankampaeng Preionyx sp.1, and fertilizers as well as earthworms.
The study of organic waste and agricultural waste that is suitable to the species of earthworm species. San Preionyx sp.1 eye mineral fertilizer and compost.
The study type organic waste and agricultural waste materials suitable for propagation of filling soil mineral species. The muck month Preionyx coupler. Sp.1 and quantity fertilizer earthworms