Earth’s soil contains large stocks of carbon — even more carbon than in the atmosphere. A significant portion of this soil carbon is in organic form (carbon bound to carbon), called soil organic ...

Soil testing begins with the homeowner, gardener, and farmer. The most critical step in soil testing is soil sample collection. Soil testing can help growers make informed decisions about fertilizer ...

In the manual, all processes from sample preparation to PFAS content measurement, including soil sampling and pretreatment, are explained in an easy-to-understand manner with illustrations. Concern ...