3. Soil fertility, real-time knowledge of soil fertility determines plant survival when the nutrients for your soil to create a high-quality environment. 4. Clear scale - no batteries, clear scale table test to see the value more accurate, no batteries, plug and play. 2. Accurately grasp, soil fertility status 3 seconds to read the test results, data of various soils, comprehensive care. 1. A variety of scenarios, easy to cope with applicable to soil testing, such as pot plants, greenhouses, gardens, soil research, agricultural orchards and other soil testing. 5. Metal Detection ProbeMetal detection sensor can detect and analyse soil moisture more quickly and accurately., Weight: 90.0 pounds, Manufacturer: IJSDNVJNDX