1. Universal design: This soil test kit has a wide range of applications and can be used to test different soils to accurately identify the most effective fertilizers and soil correctors.2Real Time Readings: The soil test kit allows for rapid measurement of nitrogen, phosphorus and potassium (NPK) levels without the need to send soil samples for evaluation.3Easy To Use: Soil test liquid is easy to use, simply mix the soil with water and then compare the color of results to the chart to help develop quality, healthy soil.4Complete Kit: This soil test kit includes test reagents, test tubes, test control sheets and other tools for accurate soil fertility measurements, and is lightweight and portable.5Widely Applicable: Using the soil test solution can help flowers, vegetables, trees, etc, grow better in healthy soil, perfect for gardening, landscaping, farming, etc.