FAQs Frequently asked questions about our products and solutions

How can it be determined if soil is out-of-bounds for a CWS655?

If information is available on soil texture, organic matter content, and electrical conductivity (EC) from soil surveys or lab testing of the soil, it should be possible to tell if the soil conditions fall outside the range of operation of the CWS655. Without this information, an educated guess can be made based on soil texture, climate, and management: 

• Mineral soils work well with a CWS655 if the EC at saturation is below 3.04 dS/m. 
• If the soil is located in an arid or semiarid region, it may have high EC. 
• If the soil is frequently fertilized or irrigated with water that has higher EC, it may have high EC. 
• If the climate provides enough rain to flush accumulated salts below the root zone, the EC is expected to be low and suitable for a CWS655. 
• Organic or artificial soils typically have high surface electrical conductivity and may become out-of-bounds if they receive significant fertilizer or water with high EC. 

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