MN Landscape Practice Questions - Minnesota Landscape Contractor License Exam

What does Minnesota's phosphorus fertilizer law restrict for landscape maintenance?

All fertilizer use on residential properties Application of phosphorus-containing fertilizer on established lawns unless a soil test shows phosphorus deficiency Use of nitrogen fertilizer during summer months Fertilizer application within 100 feet of any building

Correct Answer:

Application of phosphorus-containing fertilizer on established lawns unless a soil test shows phosphorus deficiency

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