Cala uses 2 pounds of fertilizer for a 100-foot row of vegetables at her farm. at this rate, how many pounds of fertilizer would she use for a 450-foot row of vegetables? Explain. //9 The directions for Grow Better fertilizer say that the 25-pound bag covers a 1,000-foot row of vegetables. Which brand would Cala need more of to fertilize her vegetables? Explain.