PRADES
9
MONTSENY
tv
50
~
tv
• H
00
DO-Scm
1
8 O-Scm
I
40
5-20 em
6
o 5-20cm
T
'2
,.......
30
'"
~
~
Z
z 20
01)
3
01)
.>(
::::. 10
'-'
:2
:2'
0
z
0
Z
- 10
-20
-3
-30
Aug
1989
Oct 1989 .
May 1990
Aug 1990
A
M
J
A
S
0 N
D
F M
1986
1987
U;'
'" CT"
l!.
2
6
Vl
'"
...
• H
Fig. 16.3.
Mean
...
'"
( + SE) monthly
o 0·5 em
'"
o 5-20em
4
£.
rates (kg N
ha- I
1.5
'"
..-.
'"
«I
--!!'
month- I) of net N .c
' "
$
- mineralizat ion
Z
2
n
01)
Z
0'
(NNM; lOp)
and
.>(
OIl
...
'-'
j;; '
net nitrification
Z
.!o<:
0
'-'
(NN; boltom)
in
Z
Z 0
;;;.
Z
O the H horizon.
0
0.5
'"
0- 5
em and
-2
::I
05-20
em soil depths
0
'"
at Prades and
0
=:i.
Montseny
-4
0A ...... loon
1"'\" . I
non . .. A ... . .
In(\n
A .. ....
tnnn
Ol
A
M
J A S
0 N
D
F
M
0
::I
1986
1987
:=:
;-