Question

Which quick field technique for estimating soil texture, without laboratory equipment, involves wetting a small soil sample and pressing it between the thumb and forefinger to form a ribbon, with the ribbon's length before breaking giving a rough indication of clay content?

Q: Answer-Which quick field technique for estimating soil texture, without laboratory equipment, involves wett...

The ribbon or feel method is a quick field technique for estimating soil texture, in which a moistened soil sample is pressed and squeezed between the thumb and forefinger to form a ribbon the length of ribbon formed before it breaks under its own weight gives a rough indication of the soils clay content.