Question

Why it is easy to push a sharpened tool in soil ?

Answer 1

Its because pressure is inversely proportional to surface area. So the sharp pencil can easily enter the soil!

Answer 2

Tools that don’t come in contact with soil, particularly those with sharpened edges like axes, pruning shears, and knives, should be wiped down with a thick, rough cotton cloth to remove any gums and saps from their blades. When working on pitch-producing plants like conifers, dampen the cloth with a little paint thinner before wiping. In all cases, once dirt and residue are removed, dry the tool with a clean cotton rag.
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