It is thought that without the use of fertilizers, around half of the world’s population could not be supported 1. In the modern world, agriculture at a significant scale without fertilizers is no ...

AUTOMATIC instrumentation for recording ‘thermometric titration’ curves has been described in recent papers 1,2 from these laboratories, which represent the first report of a continuous titration ...

IN a previous paper 1 it was claimed that the addition of small amounts of copper sulphate to a suspension of acid-washed organic matter resulted in the release of two hydrogen ions for each of added ...