Results 21 to 30 of about 25,175 (254)

Little Potential of Spring Wheat Genotypes as a Strategy to Reduce Nitrogen Leaching in Central Europe

open access: yesAgronomy, 2016
Nitrogen (N) losses negatively impact groundwater quality. Spring wheat genotypes varying in N-fertilizer recovery were studied (by using lysimeters) for their potential to minimize NO3-N leaching during spring and summer, over a three-year period ...
Juan Manuel Herrera   +3 more
doaj   +1 more source

A rainfall loading response recorded at 300 meters depth: implications for geological weighing lysimeters [PDF]

open access: yes, 2006
Static pore water pressures in confined aquifers vary in response to ground surface loading changes, including precipitation and evaporation. Under certain hydrogeological conditions such aquifers can function as giant natural weighing lysimeters ...
Bardsley, W. Earl   +2 more
core   +2 more sources

Dye Tracers Reveal Potential Edge-Flow Effects in Undisturbed Lysimeters Sealed with Petrolatum

open access: yesVadose Zone Journal, 2019
Undisturbed soil lysimeters are widely used to study water and solute transport. During or following lysimeter collection, it is common to implement measures aimed at limiting edge flow at the interface between the soil and the lysimeter casing.
Mark R. Williams   +2 more
doaj   +1 more source

Leaching of nitrogen, potassium, calcium and magnesium in a sandy soil cultivated with sugarcane [PDF]

open access: yesPesquisa Agropecuária Brasileira, 2002
A lysimeter experiment was carried out with sugarcane aiming to evaluate the leaching of nitrogen derived from either urea (15N) or the soil/sugarcane crop residues. The leaching of K+, Ca2+, and Mg2+ was also evaluated.
Mauro Wagner de Oliveira   +4 more
doaj   +1 more source

The effect of renovation of long-term temperate grassland on N2O emissions and N leaching from contrasting soils [PDF]

open access: yes, 2016
pre-printRenovation of long-term grassland is associated with a peak in soil organic N mineralisation which, coupled with diminished plant N uptake can lead to large gaseous and leaching N losses.
Bourdin, F.   +5 more
core   +1 more source

Evaluation of Evapotranspiration from Eddy Covariance Using Large Weighing Lysimeters

open access: yesAgronomy, 2019
Evapotranspiration (ET) is an important component in the water budget and used extensively in water resources management such as water planning and irrigation scheduling.
J. Moorhead   +6 more
semanticscholar   +1 more source

Soil health and ecosystem services: Lessons from sub-Sahara Africa (SSA) [PDF]

open access: yes, 2020
Management practices to improve soil health influence several ecosystem services including regulation of water flows, changes in soil biodiversity and greenhouse gases that are important at local, regional and global levels.
Bolo, Peter Omondi   +4 more
core   +1 more source

Fate of a perfluoroalkyl acid mixture in an agricultural soil studied in lysimeters.

open access: yesChemosphere, 2019
Perfluoroalkyl acids (PFAAs) are environmental contaminants of concern in both food and drinking water. PFAA fate in agricultural soil is an important determinant of PFAA contamination of groundwater and crops.
M. McLachlan   +4 more
semanticscholar   +1 more source

Cobre e zinco no material percolado e no solo com a aplicação de água residuaria de suinocultura em solo cultivado com soja Copper and zinc in the lixiviated material and in the soil application of swine wastewater on soil cultivated with soybean

open access: yesEngenharia Agrícola, 2010
O objetivo deste trabalho foi avaliar possíveis efeitos da aplicação de taxas de água residuária de suinocultura (ARS), quanto às concentrações de cobre e zinco, tanto no solo quanto na água percolada de lisímetros de drenagem, durante o ciclo da cultura
Adriana Smanhotto   +4 more
doaj   +1 more source

Nitrogen and phosphorus losses from a feedlot for suckler cows [PDF]

open access: yes, 2002
The raising of cattle outdoors in winter is becoming more common in temperate areas, although there is little information available on the effects of this practice on forested environments.
Uusi-Kämppä, Jaana
core   +2 more sources

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