Assertion: fertilizer's iron | /r/HasProperty | available in sulfated form
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Copper, iron, manganese and zinc fertilizers are usually available in sulfated form or chelated to make them more available to plants over a wider range of root zone pH levels.
text: Copper, iron, manganese and zinc fertilizers are usually available in sulfated form or chelated to make them more available to plants over a wider range of root zone pH levels.
text: Copper, iron, manganese and zinc fertilizers are usually available in sulfated form or chelated to make them more available to plants over a wider range of root zone pH levels.