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Soil Testing:

Soil Testing
Understanding the needs of the various crops in terms of nutrients is important, but knowing what is available in the soil to feed a particular crop before planting is essential for planning your fertiliser programme. We can offer a tried and tested soil sampling service in most regions of Africa. Using the correct soil sampling technique is the first, and most critical step, in understanding your soil and planning to meet your yield goals for any particular crop.
Model SCL-12
A number of variables must be considered when interpreting soil test results in addition to the values obtained. These variables include the composition of the soil, drainage, climate, previous fertilizer programs, and the type of plant to be grown. Samples must also be truly representative of the area being studied and must be carefully selected. Tests for Nitrate Nitrogen (Cadmium Reduction), Nitrite Nitrogen (Diazotization), Ammonia Nitrogen, Phosphorus, Potassium, Sulfur Barium, Copper, Iron, Manganese, Zinc, Calcium, Magnesium, Chloride, pH, TDS.
Electronic Soil Labs
The LaMotte Model SCL-12 is designed to provide the landowner, consultant, or fertilizer specialist with a method for achieving immediate and economical soil analyses in the field without sacrificing accuracy. The Model SCL-12 is a self-contained, electronic soil analysis laboratory that provides accurate answers anywhere for fifteen soil factors, including available forms of macronutrients and critical micronutrients. The SMART 3 Colorimeter instantly analyzes color reactions developed in nutrient tests. Display readings are multiplied by a conversion factor specific to each test to provide a result in parts per million (ppm) or pounds per acre (lb/acre) - no further calculations are necessary. The simplified test procedures provide at least 20 tests for each soil nutrient. Each accurately standardized system is furnished in an individual plastic module for quick distinction. All tests are performed in minutes on easy-to-prepare soil extracts, based on Mehlich I extraction. Critical soil pH measurements are performed quickly and reliably with a battery-powered pH 5 meter. The meter measures the pH of a one-to-one solution of soil and distilled water over the range of 0 -14 pH units to a sensitivity of +/- 0.01 pH. Soluble Salt levels in soils and irrigation waters are monitored accurately with a TDS 6 meter, measuring Dissolved Salts from 0 - 999+ ppm.