Bộ kit kiểm tra tính chất đất Rapitest Soil Test Kit - hãng Luster Leaf  - Mỹ

6 Per Case; 40 tests: 10 each for pH, nitrogen and phosphorous and potash. Patented color comparator system.
Test results allow the gardener to amend and fertilize appropriately, ensuring the best possible growing results.

1601 Soil Test Kit