A AZIZ QURESHI and LAKSHMI PRAYAGA, “Identification of critical P level for sunflower (Helianthus annuus L.) in solution culture for P acquisition: IDENTIFICATION OF CRITICAL P LEVEL FOR SUNFLOWER IN SOLUTION CULTURE FOR P ACQUISITION”, J. Oilseeds. Res., vol. 33, no. 1, Apr. 2016, doi: 10.56739/jor.v33i1.139059.