Ponath Soil Biology Lab

Biological assessments of soil & compost

Is your soil or compost helping or hurting your plants?

If despite all your efforts you are not having 

but instead are having

the quality of your soil / compost is a likely cause.

The quality of soil and compost is best assessed by a microscopic analysis of the microorganisms that are beneficial and detrimental to plants.
The assessment of microorganisms helps determine the health of the soil food web in your soil or compost and the types of plants it promotes.  

A functioning soil food web provides

without the use of fertilizers, pesticides, or herbicides.

Assessing Your Soil and Compost

Please contact us for any questions or special requests.

Please note that we do not provide testing for chemicals, radiation, minerals, or nutrients in soil.  The Washington State Department of Ecology maintains a database of accredited test labs here.