NPK Soil Tester Meter for Plants | Yieryi Garden watering controller Featuring 4 or 3 independent

Featuring 4 or 3 independent zones

User-Friendly Design – Large backlit LCD screen

As a general guide on this meter:

and potassium (K) along with moisture and temperature

width:100%

NPK Soil Tester Meter for Plants | Yieryi Garden watering controller Featuring 4 or 3 independentAn NPK soil tester reads the three nutrients plants need mostnitrogen (N), phosphorus (P), and potassium (K)plus soil temperature. This one gives you those readings in seconds from a dual needle probe, so you can tell whether it is time to feed or hold off, without mailing a sample to a lab. Read it as a trend tool. The N, P, and K figures are a directional reference, not a lab measurementuseful for spotting when a nutrient runs low and tracking how