Table 6 Fertilizer utilization efficiency as influenced by different NPK fertilization timing sequences management in 2020–2021.

From: Effect of different NPK fertilization timing sequences management on soil-petiole system nutrient uptake and fertilizer utilization efficiency of drip irrigation cotton

Year

Treatment number

NRE%

aNUE (kg kg−1)

PPF (kg kg−1)

2020

S1

17.0cd

1.64de

10.96e

S2

28.8b

3.12b

11.85b

S3

12.3d

1.40e

10.82e

S4

21.1bc

2.03cd

11.19d

S5

40.9a

3.71a

12.20a

S6

25.8b

2.38c

11.40c

S7

–

–

9.98f

2021

S1

23.1bc

1.80c

10.89d

S2

34.6a

3.40b

12.15b

S3

15.1c

1.52c

10.76d

S4

28.0b

2.05c

11.14d

S5

42.9a

4.45a

12.77a

S6

27.0bc

2.52bc

11.62c

S7

–

–

10.11e

  1. Different letters indicated significant difference at 5% probability level.
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