The soil under shifting cultivation / P. H. Nye and D. J. Greenland. Nye, P. H. Greenland, D. J. joint author. Soil fertility. 631.4 NYS Includes bibliographical references and index. Farnham Royal, Bucks, Eng. : Commonwealth Agricultural Bureaux, 1960. 1960. 1960 Text vi, 156 p., [4] leaves of plates : eng Commonwealth Bureau of Soil Science. Technical Communication ; no. 51.