Use of radiations and radioisotopes in studies of plant productivity /Proceeding of a symposium held at G B pant university agriculture and technology Pantnagar April 12-14, 1974 - Bombay: Bhabha Atomic Research Centre, 1974 - 899p. Subjects--Topical Terms: Radioisotopes Subjects--Index Terms: Plant Universal Decimal Class. No.: 621.039.8(082.2) / L4