00641cam a2200217 4500 91745698 TxAuBib 20061207120000.0 081116s2008||||||||||||||||||||||||eng|u 27274 Project Gutenberg PGUSA eng TxAuBib Aikman, Charles Morton. Manures and the principles of manuring [Gutenberg] / by Charles Morton Aikman. Project Gutenberg, 2008. Project Gutenberg. Freely available. Electronic text. Fertilizers. Manures. http://www.gutenberg.org/license Rights TXTLL