| Author | Wedaralalage, Sithira K.B.U. Uhangoda |
| Call Number | AIT Caps. Proj. no.BSE-18-19 |
| Note | A capstone project report submitted in partial fulfillment of the requirements for the degree of Bachelor of Science in Engineering Biosystems Engineering |
| Publisher | Asian Institute of Technology |
| Series Statement | Caps. Proj. ; no. BSE-18-19 |
| Abstract | The fertilizer leaching is one of the major issue which occurs at the agricultural fields, as it
removing the added fertilizer by carrying them into the deep layers of the soil and it will reduce
the feasibility to that molecules by the plant root system of that particular crop at the field. This
phenomenon will be changed by its magnitude, with respect to the conditions of the soil.
Simply it matters the soil composition and physical characteristics for the degree of leaching.
Soil practical size and soil texture are the key factors of leaching. In this experiment I have
only considered about the leaching of nitrogenous fertilizers. Since the nitrogen is just a
common element in the nature and it’s truly essential for the plants.78% of earth’s atmosphere
is nitrogen (N2) since the strong bond between the 2 atoms made the gas more inert and there
is no direct consumption of N2, as it naturally circulates with a series of chemical and biological
transformations. In order to increase the production, the nitrogenous fertilizers can be added.
Such as, nitrate, ammonium which can be easily absorbed by the plants. But the soil do not
keep or absorb the excessive part. Then it moves downward with the drainage water freely,
that process can be called as the leaching. And finally it will leach out in to the revers, cannels,
and groundwater. However the leaching amount or the degree of leaching relies on few
physical and chemical factors. Since the water retention capacity changes with the soil type the
leaching process vehemently depend on the soil type and the texture. In this research the main
scope is to find out the leaching pattern and the characteristics of the leachate in sandy soil and
loamy soil. |
| Year | 2018 |
| Corresponding Series Added Entry | Asian Institute of Technology. Caps. Proj. ; no. BSE-18-19 |
| Type | Capstone Project |
| School | School of Environment, Resources, and Development |
| Department | Department of Food, Agriculture and Natural Resources (Former title: Department of Food Agriculture, and BioResources (DFAB)) |
| Academic Program/FoS | Bachelor of Science in Engineering Biosystems Engineering (BSE) |
| Chairperson(s) | Soni, Peeyush; |
| Examination Committee(s) | Datta, Avishek;Loc Thai Nguyen; |
| Degree | Capstone Project (B.Sc.)-Asian Institute of Technology, 2018 |