Dissolved nutrients are measured collectively as total dissolved.Solids (TDS), expressed as ppm or as, the capacity of the nutrient.Solution to conduct an electrical current (EC), expressed as.Millimhos CM1 (mmho CM1). In the present study EC increased all.The time. Its overall average value was 376 mmho CM1 in wk 0 and.Increase 84% to 694 mmho CM1 in wk 4.
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