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and control weeds
When plants reach 3" tall
it rewards careful growers with unmatched elegance and complexity
pH preference chart for over 450 plants
La Motte Soil Test Kit PSO311 and control weedsWhile 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. Follow instructions to mix a soil sample with a reagent solution in a test tube. Compare the resulting color to standards on laminated color charts. Includes 30 pH, 15 nitrogen, 20 phosphorus & 15 potassium tests. Complete information for interpretation (2 booklets). pH preference guide for over 600
US$ 68.00
US$ 40.00
US$ 13.55
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US$ 41.00