Phosphorus, a key ingredient in fertilizers, is running out. The world's food systems depend on phosphorus mined from limited reserves, yet much of what is applied to fields washes away, leaving soils ...

Soil fertility experts are working toward a national coordinated effort to  pool resources and give better fertility ...

A soil test provides information about current soil conditions, including pH, organic matter and nutrient content, allowing ...

THE mechanisms by which soil micro-organisms dissolve insoluble mineral phosphates and make them available to plants is largely unknown, therefore research was undertaken to investigate these ...