A natural Teak resource is available only in few tropical and sub-tropical countries like India, Myanmar, Thailand etc. India is the leading exporter of teak resources in early decades, but presently the country is becoming the major net importer of teak resources in order to meet their requirements. Based on the constrains, the present study was conducted in farmlands under Cauvery delta zone (CDZ) of Tamil Nadu to analyze the available teak resources and their influence on growth and volume production. The growth biometrics and volume production of Teak among different block and boundary plantations of farm grown teak in different age class were recorded in cauvery delta agroclimatic zone of Tamil Nadu. On comparing both plantations, the present study revealed that growth biometrics is significant in boundary plantations of 15-20 years age class attaining maximum DBH (0.201 m), height (9.8 m) and volume (0.282 m 3 ). Hence, it is concluded that under farmland condition, Cauvery delta zone is more superior zone for teak boundary plantation due to the influence of optimum climatic and edaphic factors.
This study compared the performance of Santalum album L. planted at five spacing treatments (2.4 X 2.4 m, 3.0 X 3.0 m, 3.6 X 3.6 m, 4.6 X 4.6 m, and 5.5 X 5.5 m) under farm condition in Tamil Nadu, India and assessed the impact of these planting densities on growth and volume of wood production. In order to determine their response, the biometric attributes of sandal such as height (m), diameter at breast height (m) and volume (m 3 ) of trees were measured. To assess the periodical growth variation, biometrics were studied at the level of three age classes (0-5 years, 5-10 years and 10-15 years) and biometrics were compared among the age classes. The results revealed that the spacing treatments of 3.0 X 3.0 m and 3.6 X 3.6 m were found better for planting of Santalum album with more growth biometrics and maximum volume of wood followed by 4.6 X 4.6 m, 5.5 X 5.5 m and 2.4 X 2.4 m spacing. Based on the study results, 3.0 X 3.0 m and 3.6 X 3.6 m spacing can be recommended as suitable spacing for cultivating sandal on farmlands.
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