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While no home kit can give the accuracy of a lab test, La Motte comes close and certainly has the advantages of convenience and cost-effectiveness.
Kit provides materials for 30 pH, 15 nitrogen, 20 phosphorus & 15 potassium tests. Mix a soil sample with a reagent solution in a test tube & compare the resulting color to standards on laminated color charts.
Complete information for interpretation is provided in 2 booklets. Included is a pH preference guide for over 600 plants, trees and shrubs.
If you find your soil deficient in N, P or K, see our Fertilizer Solutions Chart for organic options.
Purchased this kit for a middle school garden research project. With basic safety training and the printed directions from the kit, 12-year-olds were able to generate a spreadsheet for the macronutrients and pH in our raised beds, a turf research area, and a small, high density orchard. The soil book and test interpretation materials with the kit are very clear and provide all information needed to compare crop needs to test results. Would like a means of replenishing the kit instead of purchasing a new one.Review by Garden Teacher (on 11/16/14)
This kit has great, clear instructions and the liquid reagents make it really easy to use. It's really cost effective because so many tests come in one kit, perfect solution for monitoring how the soil improvement is going.Review by Stephanie (on 2/18/13)