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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