00796nam a2200241Ia 4500 63358 BIBL 20160527191921.0 851205r19831952miua 000 0 eng d (OCoLC)12873045 VXY VXY nwpr--- PUED Tio, Marco Antonio. 283960 Local Photoperiodic responses of sugar-cane in Puerto Rico by Marco Antonio Tio. 1952. 84 leaves ill. Thesis (Ph.D.)--Pennsylvania State College, 1952. Bibliography: leaves 77-84. Photocopy. Ann Arbor, Mich. University Microfilms 1983. 21 cm. Sugar cane Puerto Rico Field experiments. cn 175733 Local Plant photoperiodism. 264663 Local 48752 48752 0 0 0 633_618000000000000_T594P 0 ci 160084 10 10 71 2016-05-27 92163 0 633.618 T594p 80000000216062 2016-05-27 00:00:00 r:63358 z:NCC:D 6