What is the primary benefit of soil testing before fertilization?

The primary benefit of soil testing before fertilization is to determine soil nutrient levels and pH. This assessment provides critical information about the existing nutrient content in the soil, which is essential for understanding what additional nutrients may be needed for optimal plant growth. Different plants have varying nutrient requirements, and knowing the levels of key nutrients such as nitrogen, phosphorus, and potassium, as well as the soil's pH, can help in formulating a tailored fertilization plan. This targeted approach enhances plant health and growth, prevents over-fertilization, which can lead to nutrient runoff and environmental harm, and ensures that resources are used efficiently.

Soil testing specifically addresses nutrient availability and pH levels, which directly influence plant performance. While pest infestations, irrigation needs, and plant variety selection are important factors in plant care, they are not the primary focus of soil testing. Soil testing primarily aims to create a solid foundation for successful fertilization and overall plant health management by providing critical insights into soil conditions.