Table 5 The number of significant regression coefficients of trend-surface analysis and moran’s I for LAP, NAG, Nacq, AP and UREA (µmol g− 1soil h− 1) under three N fertilization treatments (NN, LN and HN) in two bioenergy croplands (SG and GG).

From: Effects of nitrogen fertilization and bioenergy crop type on spatial distributions of extracellular hydrolases associated with nitrogen and phosphorus acquisition

Crop type

Enzyme

Trend surface analysis

Moran’s I

NN

LN

HN

NN

LN

HN

SG

LAP

4

0

1

2

5

2

NAG

2

1

2

2

6

6

Nacq

3

1

2

1

5

7

AP

1

2

0

2

1

4

UREA

2

1

0

4

3

1

GG

LAP

3

2

5

4

3

1

NAG

2

1

2

1

1

3

Nacq

2

1

2

1

1

2

AP

2

2

2

0

2

5

UREA

2

3

2

5

3

1

  1. Values represent the sum of significant coefficients in two replicated plots under each treatment. The significant coefficients for each plot were presented in Table S2 and S3.