you are the head of the research division of the leafy lettuce company. your company is experimenting with growing lettuce using hydroponic technology. hydroponic technology involves growing plants in containers of growth solution in a greenhouse. no soil is used. the growth solution that the company uses contains water, nitrogen, and phophorus. the company wants to know if adding iron to this formula will improve lettuce growth
describe how to test the effect of the formula with iron added.
describe how to test the effect of the formula with iron added.