01 جنوری 1981 Without phosphorus in the environment, no living organisms could exist. Phosphorus is present in all plant and animal tissue. It is necessary for such life processes as photosynthesis, the synthesis and breakdown of carbohydrates, and the transfer of energy within the plant. Phosphorus is taken...
In the present guide certain questions are pose, and replies have been given which, we hope, are as clear and precise as possible. This document essentially constitutes an explanation of the role of phosphorus in the living world, in the soil, and in the life of platns, as well as the means of...