TY - JOUR T1 - On the Evolution of Nitrogen during the Growth of Plants, and the Sources from Whence They Derive That Element JF - Philosophical Transactions of the Royal Society of London (1776-1886) VL - 128 SP - 403 EP - 408 PY - 1838/01/01/ UR - http://dx.doi.org/10.1098/rstl.1838.0021 M3 - doi:10.1098/rstl.1838.0021 AU - Rigg, R. ER -