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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
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Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2019.8(5): 1528-1532
DOI: https://doi.org/10.20546/ijcmas.2019.805.176


Growth and Physiology of High Density Dalbergia sissoo Tree Plantations under Micro Fertigation System
R.K. Kaleeswari1*, A. Balasubramanian2, K. Sivakumar1 and R. Rajeswari2
1Department of Soil Science and Agricultural Chemistry, Tamil Nadu Agricultural University, Coimbatore, India
2Forest College and Research Institute, Tamil Nadu Agricultural University, Mettupalayam, India
*Corresponding author
Abstract:

A field trial was conducted to standardize water and nutrient requirement for raising tree species in High Density Plantation and to study the impact of balanced fertilization on growth and physiology of tree species. The experiment was laid out in split plot design comprised of main plot with irrigation treatment and sub plot with fertilizer levels. Water requirement of the tree plantation was calculated using the pan evaporation (PE) data. Fertigation schedule consisted of humic acid (62.5 litre ha-1), inorganic fertilizer level of 150:100:100 kg N, P and K ha-1 (100% recommended dose) was applied in the form of urea, single super phosphate and muriate of potash and humic acid (62.5 litre ha-1) + 75: 50:50 kg N, P and K ha-1 (75 % recommended dose). The maximum height increment of 5.28 m, maximum basal diameter increment of 51.19 mm and maximum volume index (1.19) was recorded in the treatment that received irrigation @125 % PE and fertigation with 150:100:100 kg of N, P, K ha-1. The physiological parameters in terms of photosynthetic rate, transpiration rate, and stomatal conductance activities were found highest in treatment which received irrigation @125 % PE and fertigation with 150:100:100 kg of N, P, K ha-1.


Keywords: Fertigation, Dalbergia sissoo, Fertilizer, Humic acid, Physiological parameters, Growth
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How to cite this article:

Kaleeswari, R.K., A. Balasubramanian, K. Sivakumar and Rajeswari, R. 2019. Growth and Physiology of High Density Dalbergia sissoo Tree Plantations under Micro Fertigation SystemInt.J.Curr.Microbiol.App.Sci. 8(5): 1528-1532. doi: https://doi.org/10.20546/ijcmas.2019.805.176