Nair, P.K. Ramachandran. Soil productivity aspects of agroforestry / P.K.R. Nair. - Nairobi : International Council for Research in Agroforestry, 1984. - vii, 85 p. : ill. ; 25 cm. - Science and practice of agroforestry ; 1 . Includes bibliographical references ( p. 75-85). ISBN: Subjects--Topical Terms: Agroforestry.--------Soil productivity--------