Estimates show that without the usage of fertilizers, around half of the world’s population could not be supported 1. Thus, in the modern world, agriculture at significant scale without fertilizers is ...
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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback