Table 7 Biometric attributes of 10–15 years old age class farm grown teak (Boundary plantations) in three agroclimatic zones of Tamil Nadu.
Zone | High Rainfall Zone | Southern Zone | Cauvery Delta Zone | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Tree No | Age (years) | DBH (m) | Tree Height (m) | Tree Volume (m3) | Age (years) | DBH (m) | Tree Height (m) | Tree Volume (m3) | Age (years) | DBH (m) | Tree Height (m) | Tree Volume (m3) |
1 | 15 | 0.191 | 11.25 | 0.323 | 15 | 0.180 | 10.50 | 0.267 | 12 | 0.169 | 11.25 | 0.252 |
2 | 15 | 0.183 | 10.75 | 0.283 | 15 | 0.185 | 10.50 | 0.281 | 12 | 0.161 | 11.00 | 0.223 |
3 | 15 | 0.185 | 11.00 | 0.295 | 15 | 0.202 | 11.00 | 0.353 | 12 | 0.159 | 11.00 | 0.219 |
4 | 15 | 0.172 | 10.50 | 0.244 | 15 | 0.204 | 11.25 | 0.367 | 12 | 0.172 | 11.50 | 0.267 |
5 | 15 | 0.188 | 11.00 | 0.305 | 15 | 0.197 | 10.75 | 0.329 | 12 | 0.156 | 10.75 | 0.206 |
6 | 15 | 0.169 | 10.75 | 0.240 | 15 | 0.210 | 11.50 | 0.399 | 12 | 0.153 | 10.75 | 0.197 |
7 | 15 | 0.177 | 11.00 | 0.270 | 15 | 0.188 | 10.50 | 0.291 | 12 | 0.162 | 11.00 | 0.228 |
8 | 15 | 0.158 | 10.50 | 0.205 | 15 | 0.201 | 11.00 | 0.348 | 12 | 0.158 | 10.75 | 0.210 |
9 | 15 | 0.178 | 11.00 | 0.275 | 13 | 0.129 | 10.50 | 0.137 | 12 | 0.166 | 11.25 | 0.242 |
10 | 15 | 0.186 | 11.00 | 0.300 | 13 | 0.131 | 10.50 | 0.141 | 12 | 0.159 | 10.75 | 0.214 |
11 | 15 | 0.156 | 10.50 | 0.200 | 13 | 0.143 | 11.00 | 0.177 | 12 | 0.172 | 11.50 | 0.267 |
12 | 15 | 0.166 | 10.75 | 0.231 | 13 | 0.126 | 10.00 | 0.124 | 12 | 0.151 | 10.75 | 0.193 |
13 | 15 | 0.153 | 10.00 | 0.183 | 12 | 0.154 | 11.00 | 0.206 | 12 | 0.143 | 10.50 | 0.169 |
14 | 15 | 0.175 | 10.75 | 0.259 | 12 | 0.143 | 10.50 | 0.169 | 12 | 0.150 | 10.75 | 0.189 |
15 | 15 | 0.193 | 11.25 | 0.328 | 12 | 0.134 | 10.00 | 0.140 | 12 | 0.167 | 11.00 | 0.241 |
16 | 15 | 0.197 | 11.50 | 0.352 | 12 | 0.126 | 9.50 | 0.118 | 12 | 0.164 | 11.00 | 0.232 |
17 | 15 | 0.194 | 11.25 | 0.333 | 12 | 0.140 | 10.50 | 0.162 | 12 | 0.169 | 11.00 | 0.246 |
18 | 15 | 0.180 | 11.00 | 0.280 | 12 | 0.123 | 9.50 | 0.112 | 12 | 0.156 | 10.75 | 0.206 |
19 | 15 | 0.150 | 10.00 | 0.176 | 12 | 0.151 | 11.50 | 0.207 | 12 | 0.154 | 10.50 | 0.197 |
20 | 15 | 0.161 | 10.50 | 0.213 | 12 | 0.134 | 10.75 | 0.151 | 12 | 0.159 | 11.00 | 0.219 |
Mean | 0.176 | 10.81 | 0.265 | Mean | 0.160 | 10.61 | 0.224 | Mean | 0.160 | 10.94 | 0.221 | |
SEd | 0.003 | 0.089 | 0.012 | SEd | 0.007 | 0.125 | 0.021 | SEd | 0.002 | 0.063 | 0.006 | |
CD(0.05) | 0.031 | 0.832 | 0.109 | CD(0.05) | 0.067 | 1.174 | 0.201 | CD(0.05) | 0.016 | 0.587 | 0.055 |