Assertion: soil's amount | /r/HasProperty | available
Facets:
value: for transport by water erosion
type: PURPOSE
Source sentences:
text: The problem has been exacerbated in modern times, due to mechanized agricultural equipment that allows for deep plowing, which severely increases the amount of soil that is available for transport by water erosion.
text: The amount of plant available soil phosphorus is most often measured with a chemical extraction method, and different countries have different standard methods.