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Table 2 Some chemical properties and compositions of humic (H) and fulvic (F) acid used in the experiment

From: Applications of humic and fulvic acid under saline soil conditions to improve growth and yield in barley

Characteristics

Humic acid

Fulvic acid

pH

5.64

1.58

Ec (dsm-1)

0.10

0.11

Humic acid

85%

K fulvate 85%

Fulvic acid

3%

 

K2O

12%

10%

K

10%

10%

Organic N

1%

0.38

Available N (ppm)

1.72

0.54

Available P (ppm)

0.23

0.17

Available K (ppm)

1.95

1.87

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BMC Plant Biology

ISSN: 1471-2229

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