Chemical manipulation of crop growth and development / by J.S. McLaren. McLaren, J.S. Easter School in Agricultural Science (33rd :, 1981 : University of Nottingham) Plant regulators Congresses. SB128 .C48 631.54 MCC Includes bibliographical references and index. Sydney : Butterworth Scientific, c1982. c1982. 1982 Text xiii, 564 p : eng