2016
DOI: 10.3390/agronomy6020029
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Little Potential of Spring Wheat Genotypes as a Strategy to Reduce Nitrogen Leaching in Central Europe

Abstract: 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 NO 3 -N leaching during spring and summer, over a three-year period. Additionally, we examined to what extent root growth and NO 3 -N leaching explain the well-known difference found between apparent and isotopic N recovery. The genotypes were grown under low (2 g m´2) and high (27 g m´2) N fertilizer supply. On average, the appare… Show more

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Cited by 10 publications
(8 citation statements)
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“…However, excessive application of chemical fertilizers may have a negative environmental impact leading to pollution, biodiversity as well as yield loss (Cassman et al, 1998). It is estimated that ~60% of N inputs are in excess for major cereals including rice, and only 30%-50% of applied N is taken up, and the unused N is lost to the environment (West et al, 2014;Herrera et al, 2016). Enhancing crop N use efficiency (NUE) will help in increasing yield under limited N conditions with minimum environmental impact (Moll et al, 1982).…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…However, excessive application of chemical fertilizers may have a negative environmental impact leading to pollution, biodiversity as well as yield loss (Cassman et al, 1998). It is estimated that ~60% of N inputs are in excess for major cereals including rice, and only 30%-50% of applied N is taken up, and the unused N is lost to the environment (West et al, 2014;Herrera et al, 2016). Enhancing crop N use efficiency (NUE) will help in increasing yield under limited N conditions with minimum environmental impact (Moll et al, 1982).…”
Section: Introductionmentioning
confidence: 99%
“…From a physiological point of view, NUE can be evaluated by the N utilization efficiency (NUtE) or N grain production efficiency (NUEg) (Ciampitti and Vyn, 2014). Of all the cereals, rice and wheat cropping systems have the lowest levels of nitrogen use efficiency (NUE), less than 30-40% (Norton et al, 2015;Taulemesse et al, 2015;Herrera et al, 2016). An additional amount of N fertilizer is applied to compensate for the effect of a lower uptake rate and to achieve higher grain yield (Elbasyoni et al, 2019).…”
Section: Introductionmentioning
confidence: 99%
“…The subject of nitrate leaching reduction was also faced by the paper of Herrera et al [10], reporting a study that was conducted by using lysimeters, as in Piccinni et al [7]. The aim was to determine whether three spring wheat genotypes have the potential to minimize nitrate leaching during spring and summer.…”
Section: Nitrogen Efficiency Improvement Strategiesmentioning
confidence: 99%
“…Among the agricultural inputs, nitrogen (N) fertilizers play a crucial role in increasing the soil supply of N to crops, particularly cereal crops, which are highly responsive to N 1 . The use of nitrogen fertilizers in the production of food and fibre crops has grown significantly in recent decades, but the nitrogen use efficiency (NUE) remains low in cereal-based agro-ecosystems, with cereals typically taking up only 40-60% of applied nitrogen [2][3][4] . To maintain or increase grain yield, farmers often apply more N, leading to its excessive losses and resulting in negative environmental and socio-economic impacts such as groundwater contamination and greenhouse gas emissions 5,6 .…”
mentioning
confidence: 99%