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LaMotte. Go Beyond simply planting a seed and watching it grow! The Nitty Gritty Soil Science kit is a great introduction to the basic concepts of soil science. Instructions for cool science experiments and "just for fun" activities, games, and internet connections are included. Investigate healthy plant requirements for proper soil texture, ideal levels of soil pH, and nutrients. Learn to properly care for plants and perform pH, nitrate, phosphate and potassium soil test using our non-hazardous TesTab® methods. Planting pots and reagents for ten tests for each test factor are included. Make friends with earthworms and discover the importance of composting.