TY - JOUR T1 - Experimental Researches on Vegetable Assimilation and Respiration.--XVI. The Characteristics of Subnormal Photosynthetic Activity Resulting from Deficiency of Nutrient Salts JF - Proceedings of the Royal Society of London. Series B, Containing Papers of a Biological Character (1905-1934) VL - 94 IS - 656 SP - 20 EP - 35 PY - 1922/08/01/ UR - http://dx.doi.org/10.1098/rspb.1922.0038 M3 - doi:10.1098/rspb.1922.0038 AU - Briggs, G. ER -