40 soil tests for pH, nitrogen, potassium, and phosphorus—ensures accurate nutrient analysis
Identifies soil deficiencies—helps prevent harm to plant growth and survival
Comprehensive guide with illustrated directions—facilitates easy and correct testing
Sources for additional information—supports ongoing learning and troubleshooting
Suitable for all testing times—flexible for spring, summer, fall, and indoor plants
Summarized by Shop
Beginner and advanced gardeners alike will understand the importance of testing their soil to ensure their plants have the best chance of flourishing. This Soil Master Kit contains 10 tests each for pH, nitrogen, potassium, and phosphorus – the key components of quality soil.
40 tests help identify the chemical composition of soil defici
