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Status Indication Birch Plantings Of The City As A Environmental Control Method

Table 1:

Trial plot№ Crown density, % The presence of dead boughs on the trunk, % Degree of leaf damage, % Relative life condition, %
1 55 – 65 20 – 40 30 – 40 54,5
2 85 – 95 1 – 10 1 – 10 89,1
3 85 – 90 10 – 15 5 – 10 82
4 60 – 70 15 – 30 10 – 15 75,5
5 85 – 95 0 – 10 0 – 5 94
6 85 – 90 5- 10 1- 10 85
7 85 – 95 0 – 10 0 – 5 91
8 85 – 90 10 – 15 5 – 10 86,5
9 85 – 90 10 – 15 5 – 10 82
10 85 – 90 10 – 15 5 – 10 82
11 85 – 90 10 – 15 5 – 10 86,5
12 85 – 90 1 – 10 1 – 10 88
13 85 – 90 1 – 10 1 – 10 88
14 85 – 90 5- 10 1- 10 85
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