What is the maximum amount of phosphate allowed to be applied per 1,000 square feet in fertilizer applications?

The correct answer focuses on the specific regulations for phosphate application rates in fertilizer usage. The maximum amount of phosphate that can be applied per 1,000 square feet is set at 0.25 pounds. This regulation is in place to prevent environmental issues such as water pollution caused by runoff from excessive fertilizer application. Phosphate can contribute to eutrophication in water bodies, leading to harmful algal blooms and deteriorating water quality.

By adhering to this guideline, applicators help to maintain a balance in soil health while also protecting surrounding ecosystems. It's crucial for fertilizer applicators to be familiar with such regulations, as they play a significant role in sustainable agricultural practices and environmental stewardship.