Assertion: boron | /r/ObjectUse | used as fertilizer
Facets:
value: in agriculture
type: LOCATION
value: frequently
type: TEMPORAL
Source sentences:
text: Boron is an essential element for plant growth and is frequently used as a fertilizer, however in large concentrations boron can be toxic, and therefore boron is a common ingredient in herbicides and insecticides.
text: Boron is an essential plant nutrient and boron compounds such as borax and boric acid are used as fertilizers in agriculture, although it's only required in small amounts, with excess being toxic.
text: Boron is an essential plant nutrient and boron compounds such as borax and boric acid are used as fertilizers in agriculture, although it only required in small amounts, with excess being toxic.