In turf management, phosphate is used primarily for which of the following?

Phosphate plays a crucial role in establishing new turf due to its importance in plant development, particularly during the early stages of growth. When planting new grass, phosphate helps stimulate root development and enhances the overall vigor of the turfgrass. This nutrient supports the formation of strong roots, which is vital for the establishment of new turf, allowing it to absorb water and nutrients effectively from the soil.

Using phosphate in this context ensures that the turf can thrive and withstand stress once it is established. While phosphate is involved in various plant processes that can indirectly affect other aspects of turf management, such as flowering and sustaining existing turf, its primary role is geared toward promoting the establishment and healthy growth of newly planted grass. This makes it fundamentally important in turf management practices aimed at developing robust, healthy lawns.