Assertion: fertilizer's plant nutrient | /r/ObjectUse | used for its plant nutrient content
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Source sentences:
text: A fertilizer is any substance, including fertilizer material, mixed fertilizer, specialty fertilizer and bulk fertilizer, containing one or more recognized plant nutrients which is used for its plant nutrient content and which is designed for use or claimed to have value in promoting plant growth, except unmanipulated animal and vegetable manure, agricultural liming materials, wood ashes, and other exempted materials.