text New York MacMillan 1956 Ing xxii, 430 p.: ill.; Index 23 cm. Samuel L. Tisdale; Werner L. Nelson SOIL FERTILITY FERTILIZERS 631.8 631.8 TIS s INLIS000000000003836 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)