Take a composite sample for each area. Scrape away surface litter, then take a small sample from the surface to plough depth (20cm) from a number of plots in the field (20 to 30 per hectare). Collect these samples in a clean bucket or a wide container
Tengani dothi losiyanasiyana pamagawo onsewo. Palani zinyalala zapamwamba, kenako tengani dothi pang'ono pamwambapo kulowa pansi mpaka 20cm kuchokera mmalo angapo osiyanasiyana padera lokwana ma hectare 20 mpaka 30. Tengani dothili ndi kuliyika mu zonyamulira zaukhondo