P K NARAYANAN NAMBIAR
STUDIES ON THE FRACTIONATION OF SOIL PHOSPHORUS AND THE ADSORTION AND RETENTION OF AMMONIUM NITROGEN IN KERALA SOILS - MSc - AGRICULTURAL COLLEGE AND RESEARCH INSTITUTE VELLAYANI DIVISION OF AGRICULTURAL CHEMISTRY 1963
E N63 NA 2
STUDIES ON THE FRACTIONATION OF SOIL PHOSPHORUS AND THE ADSORTION AND RETENTION OF AMMONIUM NITROGEN IN KERALA SOILS - MSc - AGRICULTURAL COLLEGE AND RESEARCH INSTITUTE VELLAYANI DIVISION OF AGRICULTURAL CHEMISTRY 1963
E N63 NA 2