Night-soil-A valuable manure
Kelkar, G.K.
Night-soil-A valuable manure - Bombay 1909 - 1-12 p. - Soil Bombay Department of Agriculture. Bulletin No. 34 .
Night-soil-A valuable manure - Bombay 1909 - 1-12 p. - Soil Bombay Department of Agriculture. Bulletin No. 34 .