text Ind 25 p.: ill.; 24 cm. 25 p.: ill.; 24 cm. Repr. from: Geoderma, 56(1993): p. 351-375 Bibl.: p. 372-375 NOORDWIJK, Meine van PLANT PHYSIOLOGY WORK STUDY METHODS 581.1(07) INLIS000000000004006 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)