In the phosphorus cycle, phosphorus is circulated mainly ... Phosphorus is added to soil and water by runoff resulting from the weathering of rocks that contain phosphates. PO43- is absorbed ...

The phosphorus cycle. (Figure credit: International Plant Nutrition Institute ... solid rocks can be a source of P as they break down into soil over a long period of time by a process called ...

In the natural cycle, weathering releases phosphorus from rocks into soil. Taken up by plants, it enters the food chain and makes its way through every living being. Phosphorus—usually in the ...

Phosphorus released from soils via chemical weathering (referred to as P weathering) plays a critical role in the global cycling of key elements and influences the size of the Earth's biosphere.

phosphorus and iron from rocks in order to grow. In so doing, they caused chemical weathering of the Earth’s surface. This had a dramatic impact on the global carbon cycle and subsequently on ...

Our study found that nitrogen fixers also play a vital role in unlocking other nutrients by weathering rocks beneath their roots. These nutrients include things like phosphorus, which is very ...