Soils Field Test Results Form
Please fill in your soils testing results. It is most helpful if you can send 2 or more samples so that we can get a better idea of your area's soil composition.
Please also take pictures of each test and email to
You can print this form off to take it into the field or access it on your mobile device.
How does the soil smell, look, and feel?
Soil does not stick to your hands and many large grained pebbles and rocks can be seen - Gravely Soil
b) Soil is very granular and easy to wash off - Sandy Soil
c) Soil sticks a lot and does not wash away easily from hand - Silty Soil
d) Soil makes a thin film and if massaged into palm sticks a lot into the lines of hand - Clayey Soil
Pen Test 1
What happens when the moist soil is rolled out into a worm?
a) Can not get close to pen diameter - Gravely
b) Crumbles just before pen diameter - Sandy
c) Rolls out smaller than pen - Silty or Clayey
Pen Test 2
Soil Plasticity and Cohesiveness
a) Could not make soil worm
b) Soil worm has little to no flexibility and breaks quickly
c) Soil worm is flexible and sticks together even while being moved around and swung slowly
What happens when you stab the soil ball with a knife?
Option 1 a) Little to no material sticks to knife - Gravely/Sandy
b) Small amount of material sticks to knife - Sandy/Clay
c) Lots of material sticks to knife - Clayey
What does the cross section of the cut soil ball look like?
a) Surface is dull and does not shine in the light - Silt
b) Parts of the surface are shiny - Some Clay
c) The entire surface is very shiny - Very Clayey
Fruit Jar Test - Soil Expansiveness
How much over the fill line did the settled soil rise?
a) Soil did not expand over the line - Non Expansive
b) Soil expanded 1/8in over the line - Slightly Expansive
c) Soil expanded 1/4in over the line - Expansive
d) Soil expanded 1/2in or more over the line - Very Expansive
Fruit Jar Test - Soil Composition
What is the percentage of sand in the sample? Please send picture to
80 - 100 %
60 - 80 %
40 - 60 %
20 - 40 %
0 - 20 %
I can't see any lines of different material. It all looks the same
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