assessment of changes in the phosphorus status of forest ...
assessment of changes in the phosphorus status of forest ...
assessment of changes in the phosphorus status of forest ...
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Table 3: Number <strong>of</strong> cases <strong>in</strong>cluded for each species and age class <strong>in</strong> van den<br />
Burg’s collective. M=Mature, Y=Young, E=Experiment.<br />
Species Type Very<br />
low<br />
(4+4.5)<br />
Low<br />
(5+5.5)<br />
Optimum<br />
(6+6.5)<br />
High<br />
(7+7.5)<br />
Very high<br />
(8)<br />
Total<br />
Spruce M 24 89 151 42 1 307<br />
Y 12 32 52 10 0 106<br />
E 10 32 62 7 0 111<br />
P<strong>in</strong>e M 15 88 112 18 2 235<br />
Y 14 59 74 15 6 168<br />
E 5 24 42 7 0 78<br />
Beech M 2 13 25 5 0 45<br />
Y 1 16 32 0 1 50<br />
E 1 3 4 0 0 8<br />
Oak M 4 26 43 7 0 80<br />
Y 2 34 62 1 0 99<br />
E 0 6 8 1 0 15<br />
29