TY - BOOK AU - Dancer,J. TI - A study of the effect of two levels of nitrogen on the growth of you ng apple trees under grass and under arable conditions / U1 - 603.7114223 PY - 1963/// CY - Ashford, Kent : PB - Wye College, KW - Nitrogen KW - Apple KW - Plant growth regulators N1 - Reprinted from Horticulture Research. Vol. 2., no. 2. pp. 65-73, 196 3; Includes bibliographical references (p. 73.) ER -