Changes of Soil Fertility Status in Some Soil Series of Tista Floodplain Soils of Bangladesh, during 1996-2016
Journal Title: Asian Research Journal of Agriculture - Year 2017, Vol 5, Issue 3
Abstract
The study of several soil series of Tista Floodplain soils were carried out to find the changing trend of nutrients status from 1996 to 2016. The studied values of different soil quality variables were changed likewise pH 5.87 ± 0.47 to 5.95 ± 0.33, organic matter 1.37 ± 0.31% to 1.47 ± 0.41%, ,total nitrogen 0.49 ± 0.13 cmol/kg to 0.64 ± 0.07 cmol/kg , phosphorous 0.10 ± 0.04 cmol/kg to 3.19 ± 0.34 cmol/kg, potassium 0.31 ± 0.29 cmol/kg to 2.93 ± 0.26 cmol/kg, sulfur 0.19 ± 0.05 cmol/kg to 8.66 ± 2.74 cmol/kg, iron 1.09 ± 0.46 cmol/kg to 2.07 ± 0.99 cmol/kg, manganese 0.10 ± 0.02 cmol/kg to 0.31 ± 0.30 cmol/kg, copper 0.03± 0.01 cmol/kg to 0.02 ± 0.01 cmol/kg, zinc 0.01 ± 4.8E-20 cmol/kg to 0.01 ± 0.01 cmol/kg in 1996 and 2016 respectively. Almost all variables changed over significantly at 5% (P < 0.05) level except pH, organic matter, total Nitrogen and Copper content whose were not significant at 5% (P < 0.05) level not even 10% (P < 0.10) level. The increasing trends of total Nitrogen, Phosphorous, and Iron were positively correlated from 1996 to 2016 than other variables. The copper and zinc content did not showing any effective change over these 20 years. The overall nutrients were adequate except organic matter and total nitrogen content. But, the trends had positive direction of all nutrients due to application of organic and inorganic fertilizer that might be correlated with increasing concern about nutrients management concept among the farmer.
Authors and Affiliations
Masud Hassan, Abdullah Abu Syeed Ahmed, Md Arafat Hassan, Rubaya Nasrin, A. B. M. Sadique Rayhan, Sk. Musfiq-Us- Salehin, Md Khaliur Rahman
Keywords
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- EP ID EP338045
- DOI 10.9734/ARJA/2017/34365
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