STH-14 Soil Analysis Kit – Professional Multi-Parameter Testing
Brand Chemical Supplies offers the LaMotte® STH-14, an expanded version of the industry-standard soil laboratory. While the STH-7 focuses on core macronutrients, the STH-14 provides a more comprehensive diagnostic suite, including secondary nutrients and trace elements essential for specialized crop production and high-yield agriculture.
Extensive Parameter Coverage
The STH-14 allows for 50 tests per nutrient (100 for pH) using visual color-matching and turbidity measurement. Results are reported in ppm, percentage (%), or lbs./acre.
| Parameter | Application |
| pH (Acidity/Alkalinity) | Fundamental soil balance (100 tests). |
| Nitrate Nitrogen (N) | Critical for vegetative growth. |
| Phosphorus (P) | Essential for root and flower development. |
| Potassium (K) | Drives water regulation and disease resistance. |
| Calcium (Ca) | Vital for cell wall structure. |
| Magnesium (Mg) | The central atom of chlorophyll. |
| Sulfate Sulfur (S) | Crucial for protein synthesis. |
| Aluminum (Al) | Monitored to prevent toxicity in acidic soils. |
| Iron (Fe) | Important for enzymatic functions. |
| Manganese (Mn) | Involved in photosynthesis and nitrogen metabolism. |
| Chloride (Cl) | Regulates osmotic pressure and ionic balance. |
Key Features & Benefits
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Laboratory-Grade Methods: Utilizes time-tested colorimetric and turbidity procedures that provide quantitative data, allowing for precise calculation of application rates.
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Dual-Use Versatility: Optimized for both rigorous field use and fixed-base laboratory environments. The lightweight, padded carrying case ensures all chemicals and glassware remain secure.
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Integrated Plant Tissue Testing: The kit includes the necessary reagents and instructions to perform qualitative “spot tests” on plant sap to confirm nutrient uptake in real-time.
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Universal Extracting Solution: Streamlines the testing workflow by using a single extraction solution for multiple parameters, reducing the time spent per sample.
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Sustainable Operations: Reagent refill kits are available for all parameters, ensuring the hardware investment lasts for years of service.
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Comprehensive Documentation: Includes a detailed soil management handbook, easy-to-follow instructions, and a pad of soil report forms for professional data management.
What’s Included?
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Full Chemical Inventory: All reagents required for the initial 50/100 tests.
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Precision Glassware: Specialized test tubes, pipettes, and titration equipment.
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Visual Comparators: High-resolution color standards for accurate reading interpretation.
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Soil Management Kit: Technical literature to help translate ppm results into actionable fertilizer recommendations.
Primary Applications
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Commercial Agronomy: High-detail soil mapping for high-value crops (e.g., macadamias, citrus, grapes).
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Research & Development: Used by universities and agricultural cooperatives for variety trials and soil health studies.
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Fertilizer Sales: Providing immediate on-site justification for specific nutrient amendments.
Contact our agricultural technical team today to secure your LaMotte® STH-14 and gain an unparalleled depth of insight into your soil’s chemistry
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