"Take your fingers and go, boom boom boom boom," he says, demonstrating how to pack a mixture of peat moss, dirt, lime, perlite and other components into galvanized metal boxes equipped with a lever.

Lichen, mud, mould, moss, and algae can all cause heavy stains ... These machines are designed to quickly and easily blast away dirt, grime, and other debris." However, before using a pressure ...

The soil microbial community is a key indicator to evaluate the soil health and productivities in agricultural ecosystems. Monoculture and conversions of forests to tea plantations have been widely ...