TY - BOOK ID - 136461814 TI - The fertility of the land : a summary sketch of the relationship of farm-practice to the maintaining and increasing of the productivity of the soil. PY - 1913 PB - New York Macmillan Co. DB - UniCat KW - Soils KW - Fertilizers UR - https://www.unicat.be/uniCat?func=search&query=sysid:136461814 AB - ER -