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Incentives and policies for integrated pest management in Europe: a review

Polysaccharides as safer release systems for agrochemicals

Understanding and managing soil biodiversity: a major challenge in agroecology

A 1961–2010 record of fertilizer use, pesticide application and cereal yields: a review

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Unexpected fast development of branched broomrape on slow-growing Brassicaceae

New multi-model approach gives good estimations of wheat yield under semi-arid climate in Morocco

Fourteen years of evidence for positive effects of conservation agriculture and organic farming on soil life

Control of tomato whiteflies using the confusion effect of plant odours

Improved wheat grain yield by a new method of root selection

Free-air CO$_{2}$ enrichment modifies maize quality only under drought stress

Nitrate leaching is not controlled by the slurry application technique in productive grassland on organic–sandy soil

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Dry direct-seeded rice as an alternative to transplanted-flooded rice in Central China

A multivariate methodology to distinguish among wine Appellations of Origin

High environmental risk and low yield of urban tomato gardens in Benin

Biocontrol of sheath blight by Trichoderma asperellum in tropical lowland rice

A new method to assess farming system evolution at the landscape scale

Long-term feasibility of reduced tillage in organic farming

Simulation of field NH$_{3}$ and N$_{2}$O emissions from slurry spreading

Winter turnip rape as a soil N scavenging catch crop in a cool humid climate

Erratum to: Winter turnip rape as a soil N scavenging catch crop in a cool humid climate

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Nitrate leaching is not controlled by the slurry application technique in productive grassland on organic–sandy soil

Content Provider	Springer Nature Link
Author	Kayser, Manfred Breitsameter, Laura Benke, Matthias Isselstein, Johannes
Copyright Year	2014
Abstract	The return of slurry is the most important means of fertilization in grassland dairy farming. Broadcast application of slurry induces air pollution by ammonia. Alternatives to broadcast application like sliding shoe or injection have therefore been introduced. These alternatives might, however, cause higher N losses by nitrate leaching because N prevented from volatilization may not completely be utilized for dry matter production. Information on the interactive effects of amount of N input and slurry application technique on nitrate leaching from productive organic–sandy soils are still scarce. Therefore, we tested the hypothesis that slurry application by sliding shoe or injection leads to larger NO$_{3}$-N losses via leaching than broadcast application. In a 4-year experiment on cut grassland, we applied N at 0, 160, 240, and 320 kg ha$^{−1}$ year$^{−1}$ using four application techniques: in the form of a chemical-synthetic N fertilizer or as cattle slurry applied broadcast, by sliding shoe or shallow injection. We assessed nitrate leaching during winter using suction cups. Additionally, we determined herbage dry matter yields, N offtake, and soil mineral N content to compile N balances for the individual treatments based on these data. Our results show that nitrate leaching during winter did not differ significantly among treatments of N application technique. Nitrate leaching increased significantly with increasing amount of N input, but was on average lower than 16.5 kg N ha$^{−1}$ for application rates of up to 320 kg N ha$^{−1}$. Soil mineral N content in autumn was a reasonably good predictor for nitrate leaching, with R $^{2}$ of 0.65. The proportion of nitrate leaching of positive N surpluses increased in the order broadcast, sliding shoe, injection, and chemical-synthetic N application. Our findings demonstrate that the amount of N input but not the technique of application results in a significant effect on nitrate leaching.
Starting Page	213
Ending Page	223
Page Count	11
File Format	PDF
ISSN	17740746
Journal	Agronomy for Sustainable Development
Volume Number	35
Issue Number	1
e-ISSN	17730155
Language	English
Publisher	Springer Paris
Publisher Date	2014-04-25
Publisher Institution	Institut National de la Recherche Agronomique (INRA)
Publisher Place	Paris
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Slurry injection Sliding shoe application Yield Apparent nitrogen recovery Soil mineral nitrogen content Calcium ammonium nitrate Agriculture Soil Science & Conservation Sustainable Development
Content Type	Text
Resource Type	Article
Subject	Environmental Engineering Agronomy and Crop Science

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Nitrate leaching is not controlled by the slurry application technique in productive grassland on organic–sandy soil

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Nitrate leaching is not controlled by the slurry application technique in productive grassland on organic–sandy soil

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Nitrate leaching is not controlled by the slurry application technique in productive grassland on organic–sandy soil