Certified Professional Horticulturist (CPH) Practice Exam

Since 1999, agricultural producers have had to file a nutrient management plan. What is the purpose of this plan?

1. To encourage the use of more naturally occurring nutrient sources

2. To monitor the purchase of fertilizers

3. To provide the MDA with information regarding possible sources of nutrient pollution

4. To provide adequate but not excessive amounts of nutrients

The correct answer is: To provide adequate but not excessive amounts of nutrients

The purpose of a nutrient management plan is primarily to ensure that agricultural producers apply nutrients in a manner that meets the needs of their crops while minimizing the risk of excess nutrient runoff into the environment. This involves calculating the appropriate amount of nutrients required for optimal plant growth and ensuring that these nutrients are not applied in excess, which could lead to nutrient pollution in waterways. By carefully managing nutrient applications—taking into account factors such as soil health, crop type, and growth stages—producers can promote sustainable farming practices that enhance productivity without compromising environmental quality. Therefore, the rationale behind the plan is not only about the sufficiency of nutrient supply but also about environmental stewardship, which is critical in contemporary agricultural practices. This management approach aligns closely with sustainable agriculture principles, contributing to both agricultural productivity and protection of water quality. It ultimately helps to prevent issues such as algal blooms that can arise from nutrient runoff, underscoring the dual goal of providing adequate nutrients while avoiding excesses.