THE Indore process is now fairly well known, and in the tropics it is widely used for converting all manner of plant residues into humus. A ‘factory’, consisting of a series of long, shallow pits, is ...
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ON page 286 of the issue of NATURE of Feb. 15, in an article under the above title reviewing a recent lecture which was printed in full in the Journal of the Royal Society of Arts (Nov. 22, 1935), ...