Mineral and organic soil particles tend to have ______ charges, so they attract ________ charged molecules and ions. the charge gradient produced in the soil solution causes _______ charges to tend to move out of the root hairs.
Answer number 1 is: negative. Answer number 2 is: positive. Answer number 3 is: positive. Mineral soil has less than 12-20% content of organic matter. Organic soil has greater than 12-20% content of organic matter. Root hairs form an important surface, they are important because root hairs absorb most of the water and nutrients.
