Nitrogen leaching from soils in the aspect of its balance
Journal Title: Journal of Research and Applications in Agricultural Engineering (ISSN 1642-686X) - Year 2019, Vol 64, Issue 3
Abstract
Nitrogen is the basic element directly affecting plant yielding. This causes that it is widely used as a component of mineral fertilizers. With increased doses of mineral nitrogen, only a certain part of it is used by plants. The rest goes into the environment, polluting the environment. The study attempts to determine changes in the nitrogen content in the arable layer and to determine the nitrogen flux leached from the soil. The research was carried out over a year and a half for three fields with different soils, under different crop conditions. Relations between soil moisture, suction pressure and unsaturated water conductivity were determined for the tested soils. In the mathematical model of water movement in soil, the Richards equation and the equation for the flow of soil solution were used. The source elements of the equations include water and nitrogen uptake by plants. There is a very clear correlation between precipitation and a stream of nitrogen deep into the soil. Soil physical properties play a very important role. The total amount of nitrogen washed out into the soil was determined. It is respectively 14.4 kg• ha-1 for clay soil and 75.5 and 91.4 kg•ha-1 for sandy soils with the same rainfall. In addition, the results were referred to the gross nitrogen balance of the studied fields.
Authors and Affiliations
Anna Kuczuk, Janusz Pospolita
Keywords
Related Articles
- EP ID EP656153
- DOI -
- Views 111
- Downloads 0
Agglomeration process of post-production tobacco waste
The paper presents the research results of the agglomeration process of post-production tobacco waste arising during the cigarette production process at British-American Tobacco in Augustów. The agglomeration process tes...
Nitrogen leaching from soils in the aspect of its balance
Nitrogen is the basic element directly affecting plant yielding. This causes that it is widely used as a component of mineral fertilizers. With increased doses of mineral nitrogen, only a certain part of it is used by pl...
Modeling of the process of impact-resistant grain materials’ shredding
Within the framework of the study’s realization, an attempt was taken up aiming at modeling of the impact-resistant process of grain materials’ shredding with the use of the shredder beater. There was presented a model d...
Increase in biogas yield from whole crop maize silage prepared with the addition of inoculant Lactosil Biogaz Plus
The aim of the study was to evaluate the biogas profitability of silages made of whole crop maize ensiled with the addition of inoculant, containing strains of Lactobacillus genus from species that stimulate the synthesi...
Managing soil capital on a farm
The purpose of study was to report on the undertaken assessment with regard to selected activities undertaken in experimental farms that operate according to various cultivation systems, including a variety of activities...