Nitty-Gritty Soil Science, Each

Details

Make friends with earthworms, and discover the importance of composting. This kit is a great introduction to the basic concepts of soil science! Investigate healthy plant requirements for proper soil texture, ideal levels of soil pH, and nutrients. Learn to perform pH, nitrate, phosphate, and potassium soil tests (using non-hazardous TesTab tablet methods). Reagents for 10 tests of each test factor are included.