Correlation of Tree Diameter, Height and Biodiversity with Soil N, P and K

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By Research Archive Posted on Jan 3, 2023
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Shreejana Panthi, Ram Asheshwar Mandal, Ajay Bhakta Mathema American Journal of Life Sciences (Science Publishing Group) 2022
English Nepal
Abstract
This research was done to assess effect of soil nutrients (N, P and K) on diameter at breast height (DBH), height and biodiversity. Three transect lines according to altitudinal gradient were established to systematically allocate the plot. Total 45 samples having 20m×25m were established to collect the biophysical data and soil samples. DBH and height of trees were recorded and soil samples were carried out in the lab. The Shannon –Weiner Index, Simpson Index and Evenness Index were analyzed. Nitrogen (N), Phosphorous (P) and Potash (K) was analyzed using Kjeldahl, Olsen’s and Somers and Flame photometric methods respectively. The Pearson’s correlation was performed to show the relation of DBH, height and biodiversity indexes with N, P and K. Descriptive statistics showed that the highest Mean±SE DBH (cm) was 50.75±4.61 in altitude
Altitude, Soil Nutrients, DBH, Height, Biodiversity

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This research was done to assess effect of soil nutrients (N, P and K) on diameter at breast height (DBH), height and biodiversity. Three transect lines according to altitudinal gradient were established to systematically allocate the plot. Total 45 samples having 20m×25m were established to collect the biophysical data and soil samples. DBH and height of trees were recorded and soil samples were carried out in the lab. The Shannon –Weiner Index, Simpson Index and Evenness Index were analyzed. Nitrogen (N), Phosphorous (P) and Potash (K) was analyzed using Kjeldahl, Olsen’s and Somers and Flame photometric methods respectively. The Pearson’s correlation was performed to show the relation of DBH, height and biodiversity indexes with N, P and K. Descriptive statistics showed that the highest Mean±SE DBH (cm) was 50.75±4.61 in altitude

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