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Table 3 Characteristics of applied humic acid

From: The effect of humic acid and water super absorbent polymer application on sesame in an ecological cropping system: a new employment of structural equation modeling in agriculture

Trade name Humic acid (%) Potassium oxide (%) Organic nitrogen (%) Fe (%) Other materials (%) pH
POWHUMUS® WGS 85% 85 12 1.1 0.8 1.1 9–10