capacity of dissolving phosphorus
Accumulation of phosphorus
apparent phosphorus digestibility
ability to dissolve phosphorus
application level of phosphorus
Availability of phosphorus
bone calcium and phosphorus
Biological Removal of Phosphorus
calcium to phosphorus ratio
balance of nitrogen and phosphorus
Calcium and phosphorus utilization
Balance and changes of phosphorus
Calcium and phosphorus deficiency
calcium and phosphorus levels
Amount of phosphorus requirement of soil
bacteria of accumulating phosphorus
agronomy efficiency of phosphorus