TY - BOOK ID - 14460967 TI - The soil and health : A study of organic agriculture AU - Howard, Albert AU - Howard, Louise E. PY - 1947 PB - New York The Devin-Adair Company DB - UniCat KW - AGR Agriculture KW - agriculture KW - soil fertility UR - https://www.unicat.be/uniCat?func=search&query=sysid:14460967 AB - ER -