Table 1 Nutrient composition of compost and humic acid used in the experiments.

From: Compost and humic acid amendments are a practicable solution to rehabilitate weak arid soil for higher winter field pea production

Organic amendments

Nitrogen (mg kg−1)

Phosphorus (mg kg−1)

Potassium (mg kg−1)

Organic matter (%)

pH

Humic acid

1.23

11.38

0.04

Compost

1.29

0.971

186

45

5.8