Assertion: clover's contribution | /r/HasProperty | over 30%
Facets:
value: at a single grazing
type: LOCATION
value: seldom
type: TEMPORAL
Source sentences:
text: On new dairy farm conversions where soil N concentration is low and reserves have not yet been created with organic matter, white clover contributes significantly to DM yield, but its contribution in developed farm situations is seldom over 30% at a single grazing and often much less.