La Motte Soil Test Kit

La Motte Soil Test Kit is a comprehensive home and field kit for measuring soil pH and the major nutrients nitrogen, phosphorus, and potassium. While no home kit matches a full lab test, La Motte comes close while offering the convenience and cost savings of immediate, on-site results. Mix a soil sample with a reagent solution in a test tube and compare the color to the laminated charts.

At a glance

• Type: Colorimetric soil nutrient and pH test kit
• Tests included: 30 pH, 15 nitrogen, 20 phosphorus, and 15 potassium
• Reference: Two interpretation booklets
• Plant guide: pH preferences for over 600 plants, trees, and shrubs
• Use for: Vegetable gardens, flower beds, farms, and field study

Best for

• Identifying nitrogen, phosphorus, and potassium deficiencies
• Guiding precise, organic fertilization
• Home gardeners, farmers, and educators
• On-the-spot field testing across multiple plots
• Hands-on learning in soil science

How to use

Follow the instructions to mix a soil sample with the reagent solution in a test tube, then compare the resulting color to the laminated standards and interpret using the booklets. If results show a deficiency in N, P, or K, choose an organic amendment to correct it.

About Grow Organic

Grow Organic supplies seeds, plants, and garden supplies for organic and sustainable growing, helping home gardeners and small farms cultivate healthy, productive gardens.

Sold by Grow Organic, based in Grass Valley, California.