Fig 1. Surface pH against time.

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Fig 1. Surface pH against time. 91 92 93 94 95 96 97 98 99 00 01 02 Year H .2 7.4 7.6 7.8 8.0 8.2 8.4 8.6

description

Fig 1. Surface pH against time. pH 7.2 7.4 7.6 7.8 8.0 8.2 8.4 8.6 8.8. 92 93 94 95 96 97 98 99 00 01 02 Year. Figure 2. Conductivity of soil water against time. The declining phase is modelled by the function y = 4.69*exp(-0.29*(year-1993)) - PowerPoint PPT Presentation

Transcript of Fig 1. Surface pH against time.

Page 1: Fig 1.  Surface pH against time.

Fig 1. Surface pH against time.

91 92 93 94 95 96 97 98 99 00 01 02

Year

pH 7.2

7.4

7.6

7.8

8.0

8.2

8.4

8.6

8.8

Page 2: Fig 1.  Surface pH against time.

Figure 2: Conductivity of soil water against timeC

ondu

ctiv

ity,

mS

cm

-10

2

4

6

8

10

12

91 92 93 94 95 96 97 98 99 00 01 02

Year

Figure 2. Conductivity of soil water against time. The declining phase is modelled by the function y = 4.69*exp(-0.29*(year-1993))hence T½ = 2.4 years

Page 3: Fig 1.  Surface pH against time.

Figure 3: Soil mass loss on ignition vs time

91 92 93 94 96 97 98 00 01 02

Year

% L

oss

on ig

niti

on0

5

10

15

20

Page 4: Fig 1.  Surface pH against time.

Figure 4. Soil surface pH and organic matter as a function of fertiliser treatment.

None Chemical Organic Fertiliser treatment

p

H7.

9

8

.0

8.1

8

.2

8.3

10

1

1

12

13

%L

OI

aa

b

ab

cb

Page 5: Fig 1.  Surface pH against time.

Figure 5: Soil nitrate against distance from site centre at the final harvest in 2002

0 5 10 15distance from centre of site, m

NO

3, m

g 10

0g-1

0

0

.25

0.

5

0.75

1.0

cc

y = 0.19 + 0.016*Xr = 0.33**

Page 6: Fig 1.  Surface pH against time.

Fig 6: % Plant cover against time as a function of initial fertilizer treatment

Control

Chemical

Manure

91 92 93 94 95 96 97 98 99 00 01 02

Year

Mea

n %

cov

er, b

ars

show

1s.

e.0

2

0

40

60

8

0 1

00

Page 7: Fig 1.  Surface pH against time.

Figure 7. DCA ordination of the floral data

ApCr

Sm

VcHr

Fa

Hl

Lc

Ca

Lc

Pm

Mo

Fh

-100 0 100 200 300 400 500

1st DCA axis (Eigenvalue = 0.599)

-100

0

10

0

200

300

4

00

Bgc

2nd

DC

A a

xis

(Eig

enva

lue

= 0

.265

) Key

91-94

95-98

99-02

Lg

Dc

Di Vt

Vm

Page 8: Fig 1.  Surface pH against time.