Alexander Botts, earthworm tractors.

The water will pass through the earthworm burrows and the organically rich soil will become liquid manure and can be collected at the bottom of the container.

Sir gave me a certificate for the earthworm course I had finished at the Institute.

Conceivably man may presently contrive some sort of earthworm apparatus, so that he could go through the rocks prospecting very much as an earthworm goes through the soil, excavating in front and dumping behind, but, to put it moderately, there are considerable difficulties.

During my fortnight stay at the Institute I learnt a lot about earthworm environments, including determination of porosity of soil, moisture content and texture.

Field Notes on Vermiculture: Turning Garbage into Gold Vermicompost and vermiwash are the two earthworm products that have become very popular nowadays.

A beautiful earthworm economy of the last dregs of combustible matter in any kind of refuse can thus be attained.