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Chemical and Biological Technologies in Agriculture

Table 1 Chemical properties of the soil collected before treatment application in 2020 and 2021

From: Application of different foliar iron fertilizers for improving the photosynthesis and tuber quality of potato (Solanum tuberosum L.) and enhancing iron biofortification

Cultivation year

pH

Soil capacity

Available N

Available P

Available K

Available Fe

Organic matter

/

(g·cm−3)

(mg·kg−1)

CY-1

8.30

1.17

17.90

25.90

1 116.70

2.71

12014.12

CY-2

8.40

1.65

20.10

23.20

2 057.00

2.63

14993.45

  1. Available Fe content classification standard is low: < 2.5 mg·kg−1; medium: 2.5–4.5 mg·kg−1; rich: > 4.5 mg·kg−1, the critical value of iron deficiency is 2.5 mg·kg−1. CY-1 (2020), CY-2 (2021)
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