1. Vitamins as growth factors in higher plants;Åberg,1961
2. Effect of pyridoxine on the growth and yield of barley;Samiullah,1979
3. Effect of leaf-applied N and P at two basal fertilizer levels on the yield of lentil;Akhtar;J. Indian Bot. Soc.,1984
4. The B-vitamins as plant hormones;Bonner;Vitam. Horm.,1948
5. Organic chemicals on citrus;Brusca;Calif. Agric.,1957