na INLIS000000000004006 Ind 0010-1118004006 Concepts and methods for studying interactions of roots and soil structure NOORDWIJK, Meine van Meine van Noordwijk; Gerand Brouwer and Klass Harmany 25 p.: ill.; 24 cm. 25 p.: ill.; 24 cm. Repr. from: Geoderma, 56(1993): p. 351-375 Bibl.: p. 372-375 581.1(07) PLANT PHYSIOLOGY WORK STUDY METHODS mfn-5748