| Issue |
E3S Web of Conf.
Volume 405, 2023
2023 International Conference on Sustainable Technologies in Civil and Environmental Engineering (ICSTCE 2023)
|
|
|---|---|---|
| Article Number | 01011 | |
| Number of page(s) | 11 | |
| Section | Agrochemistry | |
| DOI | https://doi.org/10.1051/e3sconf/202340501011 | |
| Published online | 26 July 2023 | |
Effect of Clay and Humicmaterials for the control of nitrate leaching from sandy agroecosystem
1,2 Department of Soil Science and Agricultural Chemistry, Annamalai University, Annamalainagar - 608001, Tamil Nadu, singar_vel@yahoo.co.in
3 Mathematics Wing – Directorate of Distance Education, Annamalai University, Tamil Nadu, emseeni@yahoo.com
* Corresponding author: Singaravel_singar_vel@yahoo.co.in
The effect of clay and humic materials in the control of nitrate leaching from sandy soil was established through a column experiment. In a PVC column with 3 inches dia and 45 cm length packed with sandy soil, six leaching at 15 days intervals were performed. Nitrogen was added @ 150 kg ha-1. The results of the study indicated the significant influence of clay @ 40 t and humic acid @ 20 kg ha-1 were efficient in the control of NO - and NH + N leached through the column and a corresponding increase of retension of N in soil. The linear equation model was used to ascertain the influence of the physiochemical characteristics on the leaching of nutrients.
Key words: Leaching of nitrogen / sandy soils / Clay and humus materials
© The Authors, published by EDP Sciences, 2023
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