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Increased drainage effects on soil properties and water quality

Increased drainage effects on soil properties and water quality

Objective

Soil stores the largest terrestrial pool of organic carbon (C), and can act as a source and/or filter for water pollutants like nitrogen (N), phosphorus (P), and suspended solids (SS). Fine soil particles (clays, Fe, Al and Mn (hydr)oxides, carbonates) play a crucial role in the stability of carbon and nutrients in soil. Previous studies have found that even a few decades of increased drainage, due to subsurface drainage installation, can substantially change the proportion and composition of fine soil particles closest to the drain. This raises questions regarding increased precipitation, and thus increased soil water flux, effects on the mineral composition and C and nutrient stability in soil. By studying soils on a water flux gradient perpendicular to subsurface drainage pipes, the IDESoWa project will calculate soil element fluxes within soil, and their losses with drainage water. It will determine relationships between between drainage water chemistry and soil properties. By jointly analysing published literature, weather records, precipitation chemistry, drain flow quantity, and soil and drainage water properties, the IDESoWa project will develop a conceptual framework for soil development in two common European agricultural soils (Cambisol and Luvisol), and under two agricultural practices (tilled soil vs. pasture).
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Coordinator

LATVIJAS LAUKSAIMNIECIBAS UNIVERSITATE

Address

Liela Iela 2
3001 Jelgava

Latvia

Activity type

Higher or Secondary Education Establishments

EU Contribution

€ 152 202,24

Project information

Grant agreement ID: 867423

Status

Grant agreement signed

  • Start date

    15 July 2019

  • End date

    14 July 2021

Funded under:

H2020-EU.4.

  • Overall budget:

    € 152 202,24

  • EU contribution

    € 152 202,24

Coordinated by:

LATVIJAS LAUKSAIMNIECIBAS UNIVERSITATE

Latvia