Table 4 Biometric attributes of 15–20 years old age class farm grown teak (Block 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 | 20 | 0.288 | 12.50 | 0.815 | 18 | 0.256 | 11.25 | 0.580 | 18 | 0.266 | 11.00 | 0.611 |
2 | 20 | 0.282 | 11.00 | 0.686 | 18 | 0.242 | 10.50 | 0.483 | 18 | 0.248 | 10.75 | 0.521 |
3 | 20 | 0.288 | 11.00 | 0.717 | 18 | 0.248 | 11.00 | 0.533 | 18 | 0.255 | 10.75 | 0.548 |
4 | 20 | 0.282 | 11.50 | 0.717 | 18 | 0.240 | 10.50 | 0.477 | 18 | 0.232 | 10.50 | 0.446 |
5 | 20 | 0.287 | 12.00 | 0.774 | 18 | 0.245 | 10.75 | 0.508 | 18 | 0.275 | 11.50 | 0.685 |
6 | 20 | 0.298 | 12.00 | 0.835 | 18 | 0.258 | 11.25 | 0.588 | 18 | 0.240 | 10.75 | 0.488 |
7 | 20 | 0.266 | 11.00 | 0.611 | 20 | 0.242 | 10.50 | 0.483 | 18 | 0.226 | 10.00 | 0.401 |
8 | 20 | 0.314 | 12.00 | 0.927 | 20 | 0.248 | 10.50 | 0.509 | 18 | 0.264 | 11.50 | 0.631 |
9 | 20 | 0.296 | 12.50 | 0.861 | 20 | 0.256 | 11.00 | 0.568 | 18 | 0.275 | 11.50 | 0.685 |
10 | 20 | 0.283 | 11.00 | 0.694 | 20 | 0.247 | 10.50 | 0.502 | 18 | 0.268 | 11.50 | 0.646 |
11 | 20 | 0.247 | 10.50 | 0.502 | 20 | 0.244 | 10.50 | 0.489 | 18 | 0.232 | 10.50 | 0.446 |
12 | 20 | 0.266 | 11.00 | 0.611 | 20 | 0.258 | 11.00 | 0.575 | 18 | 0.258 | 11.00 | 0.575 |
13 | 20 | 0.307 | 12.00 | 0.900 | 20 | 0.250 | 10.50 | 0.515 | 18 | 0.256 | 11.00 | 0.568 |
14 | 20 | 0.282 | 12.50 | 0.717 | 20 | 0.256 | 11.00 | 0.568 | 18 | 0.247 | 10.75 | 0.514 |
15 | 18 | 0.250 | 11.00 | 0.538 | 20 | 0.242 | 10.50 | 0.483 | 18 | 0.261 | 11.00 | 0.590 |
16 | 18 | 0.218 | 10.50 | 0.393 | 20 | 0.263 | 11.50 | 0.623 | 18 | 0.268 | 11.50 | 0.646 |
17 | 18 | 0.224 | 11.00 | 0.434 | 20 | 0.234 | 10.50 | 0.452 | 18 | 0.237 | 10.50 | 0.464 |
18 | 18 | 0.196 | 10.00 | 0.301 | 20 | 0.264 | 11.25 | 0.617 | 18 | 0.274 | 11.50 | 0.677 |
19 | 18 | 0.213 | 10.00 | 0.357 | 20 | 0.225 | 10.00 | 0.396 | 18 | 0.229 | 10.00 | 0.413 |
20 | 18 | 0.229 | 10.50 | 0.433 | 20 | 0.236 | 10.50 | 0.458 | 18 | 0.277 | 11.50 | 0.693 |
Mean | 0.266 | 11.28 | 0.641 | Mean | 0.248 | 10.75 | 0.520 | Mean | 0.255 | 10.95 | 0.562 | |
SEd | 0.008 | 0.179 | 0.042 | SEd | 0.002 | 0.085 | 0.013 | SEd | 0.004 | 0.111 | 0.022 | |
CD(0.05) | 0.072 | 1.685 | 0.396 | CD(0.05) | 0.021 | 0.799 | 0.125 | CD(0.05) | 0.035 | 1.044 | 0.203 |