Controlling nitrogen flows and losses / 1st ed.

Table Of Contents:
Preface 7(20)

Section 1 Drivers towards sustainability: why change? 27(72)

Drivers towards sustainability: why change? 29(10)

J.J. Neeteson

J.J. Schroder

C. Jakobsson

Nitrogen balances over seven years on a mixed farm in the Cotswolds 39(8)

K.A. Leach

K.W.T. Goulding

D.J. Hatch

J.S. Conway

K.D. Allingham

Watershed nitrogen modelling 47(7)

N.J. Hutchings

T. Dalgaard

B.M. Rasmussen

J.F. Hansen

M. Dahl

P. Rasmussen

L.F. Jørgensen

V. Ernstsen

F. von Platen-Hallermund

S.S. Pedersen

Mitigating non-point source pollution from dairy farms: Economic evaluation on the Don watershed 54(9)

N Turpin

G. Rotillon

P. Bontems

T. Bioteau

R. Laplana

Relationships between fertiliser nitrogen additions, crop carbon returns and soil quality 63(2)

A. Bhogal

B.J. Chambers

F.A. Nicholson

Fluxes of nitrogen following clearing of Brazilian Amazonian tropical forest for pasture 65(2)

M.C. Piccolo

C. Neill

C.C. Cerri

J.M. Melillo

Nitrogen losses from forage legumes and effects on succeeding cereal crops in organic farming under pannonic climate conditions in Eastern Austria 67(3)

R. Farthofer

J.K. Friedel

G. Pietsch

W. Loiskandl

B. Freyer

Your farm and NVZs: A decision support system for farmers and consultants 70(3)

C.P. Fawcett

M.M. Gibbons

F.A. Brown

P.M.R. Dampney

S.J. Richardson

Fate of applied nitrogen in a heathland ecosystem 73(3)

E.R. Green

S.A. Power

E.M. Baggs

Effects of intensification of dairy farming in New Zealand on nitrogen efficiency, energy use and environmental emissions 76(2)

S.F. Ledgard

J.D. Finlayson

M.S. Sprosen

D.M. Wheeler

N.A. Jollands

Effect of groundnut stover and weed management methods in the dry season on N cycling and maize yield 78(3)

S Promsakha na Sakonnakhon

B. Toomsan

V. Limpinuntana

P. Vityakon

E.M. Baggs

G. Cadisch

Development of a decision support tool for global diffuse nitrogen pollution assessment 81(2)

C. Macleod

J. Dela-Cruz

P. Haygarth

G. Glegg

D. Scholefield

L. Mee

Organic fertilisation in silvopastoralism and nitrate losses: sustainable systems 83(2)

M.R. Mosquera-Losada

S. Rodriguez-Barreira

A. Rigueiro-Rodriguez

How nitrate vulnerable zones can reduce the adverse environmental impact of productive arable agriculture 85(3)

J.U. Smith

P. Smith

A.G. Dailey

M.J. Glendining

Decline in species richness in acid grasslands along a gradient of nitrogen deposition 88(2)

C.J. Stevens

N.B. Dise

D.J. Gowing

J.O. Mountford

Development of a modelling system for prediction and regulation of livestock waste pollution in the humid tropics 90(3)

T.P. Tee

I.J. Lean

E.M. Baggs

G. Cadisch

The agricultural area survey as a tool for implementing the European Nitrates Directive in the Walloon Region of Belgium 93(3)

C. Vandenberghe

A.C. Mohimont

T. Garot

J.M. Marcoen

Environmental economics of soil organic matter management 96(3)

N Wrage

O. Oenema

Section 2 Matching supply with demand 99(150)

Matching supply with demand 101(12)

D.V. Murphy

E.A. Stockdale

F.C. Hoyle

J.U. Smith

I.R.P. Fillery

N. Milton

W.R. Cookson

L. Brussaard

D.L. Jones

Can N mineralisation be predicted from soil organic matter? Carbon and gross N mineralisation rates as affected by long-term additions of different organic amendments 113(9)

A Herrmann

E. Witter

T. Katterer

N. mineralisation from decomposition of catch crop residues under field conditions: measurement and simulation using the STICS soil-crop model 122(9)

E. Justes

B. Mary

Gross N transformation rates and soil organic matter contents in grassland soils of different age 131(2)

F. Accoe

P. Boeckx

O. Van Cleemput

G. Hofman

The relative efficiency of fertiliser N in NK blends and concentrated complex fertilisers 133(3)

N.A. Akhonzada

J.S. Bailey

Nitrogen mineralisation from fish sludge as affected by plant uptake 136(2)

M.A. Alfaro

F.J. Salazar

A. Valdebenito

Modelling of N-cycle for processes in soil using soil core experiments 138(2)

A. Balint

Cs. Meszaros

Gy. Heltai

E. Notas

K. Jung

Mineralisation of nitrogen in relation to climatic variation and soil 140(3)

H. Bjornsson

Resolving differences in N cycling between more polluted and pristine forests using 15N isotope dilution 143(2)

P. Boeckx

R. Godoy

C. Oyarzun

J. Bot

O. Van Cleemput

Effects of tillage and crop rotation on the microbial population and dynamics of soil organic matter 145(3)

C. Carranca

A. Oliveira

A. de Varennes

M. Pampulha

M. Costa

A. Prazeres

J. Baeta

C. Neto

M.P. Andrada

M.O. Torres

The changes in microbial biomass nitrogen when different rates and forms of N were applied in a long-term experiment with maize 148(3)

J. Cerny

J. Balik

Screening of organic biological waste products for their potential to manipulate the N release from crop residues 151(2)

B. Chaves

S. De Neve

G. Hofman

P. Boeckx

O. Van Cleemput

Nitrogen dynamics in soil with mulch and incorporated crop residues 153(3)

F. Coppens

S. Recous

P. Garnier

R. Merckx

Prediction of nitrogen mineralisation from organic residues and supply to ryegrass 156(2)

C.M.d.S. Cordovil

J. Coutinho

F. Cabral

Reliability of a chemical method to assess nitrogen uptake by winter wheat 158(2)

C.M.d.S. Cordovil

J. Coutinho

F. Cabral

Rhizodeposition and symbiotic N2 fixation in trimmed and untrimmed white clover 160(2)

S. Dahlin

Within-field variations in, and relations between, grain protein content, grain yield and plant-available soil nitrogen 162(2)

S. Delin

The turnover of organic manure using natural 13C abundance 164(2)

K. Dittert

R. Bol

Nitrification during autumn and winter of ammonium nitrogen in cattle slurry applied to soil at different times during the autumn 166(2)

L. Engstrom

B. Linden

L. Ericsson

Effect of rate of cattle slurry at sowing, number of fertigations with separated slurry liquid and rate of mineral N top dressings on yield and N removal by forage maize 168(3)

A Fernandes

H. Trindade

J. Coutinho

N. Moreira

N balance in fertilizer trials with composted municipal solid wastes in southern Italy 171(2)

D. Ferri

G. Convertini

F. Montemurro

How to enhance crop utilisation of deep subsoil nitrogen supply 173(3)

J. Haberle

P. Svoboda

J. Krejcova

Model SFOM - the first step towards fertiliser and manure use integration 176(3)

T. Jadczyszyn

Straw-rich deep litter manures - can decomposition and N turnover be predicted from quality? 179(3)

L.S. Jensen

A. Jensen

A. Pedersen

Field experiments to determine N accumulation under fertility building crops 182(2)

A. Joynes

D.J. Hatch

A. Stone

S. Cuttle

G. Goodlass

S. Roderick

A comparison of different indices for nitrogen mineralisation 184(2)

A. Kokkonen

M. Esala

A novel approach to regulate nitrogen mineralisation in soil 186(2)

K. Kumar

C.J. Rosen

M.P. Russelle

Variable nitrogen fertilisation by tractor-mounted remote sensing 188(3)

A. Link

J. Jasper

H.-W. Olfs

A dynamic version of the predictive balance sheet method for fertiliser N advice 191(3)

J.M. Machet

S. Recous

M.H. Jeuffroy

B. Mary

B. Nicolardot

V. Parnaudeau

Residual effects of maize nitrogen fertilisation on winter barley crop: N content, yield, yield components and agronomic factors 194(3)

M. Maiorana

F. Montemurro

G. Convertini

F. Fornaro

Turnover of grain legume N rhizodeposits and effect of rhizodeposition on the turnover of crop residues 197(3)

J. Mayer

F. Buegger

E.S. Jensen

M. Schloter

J. Heß

Decomposition of soluble compounds obtained after fractionation of different animal wastes 200(3)

T. Morvan

B. Nicolardot

Is good nutrient management possible by applying more than 170 kg nitrogen per hectare from manure? 203(2)

A. Mulier

G. Hofman

I. Verbruggen

Regulation of N release from polyphenol-protein complexes by fungi in different tropical production systems 205(2)

R. Mutabaruka

G. Cadisch

Modelling nitrogen mineralisation from mature bio-waste compost applied to vineyard soils 207(2)

C. Nendel

S. Reuter

K.C. Kersebaum

R. Nieder

R. Kubiak

Inorganic N dynamics in vineyard soils under different covering strategies 209(3)

B. Nicolardot

P. Thiebeau

C. Herre

A.F. Doledec

A. Perraud

B. Mary

Effect of rate and timing of nitrogen fertiliser on yield and grain protein content in winter wheat. The chlorophyll meter as a nutritional diagnostic tool 212(2)

M.A. Ortuzar

A. Alonso

A. Aizpurua

A. Castellon

J.M. Estavillo

Assessing N dynamics of organic wastes in field conditions using a calculation model 214(3)

V. Parnaudeau

P. Robert

C. Herre

F. Millon

B. Mary

B. Nicolardot

15N labelling and use of dairy manure components for N cycling studies 217(2)

J.M. Powell

K.A. Kelling

Predicting soil mineral nitrogen in spring, based on soil mineralisable N in autumn 219(3)

M. Quemada

Effect of seasonal split of N dosage on the fate of 15N fate in citrus trees 222(2)

A. Quinones

J. Banuls

E. Primo-Millo

F. Legaz

Methodology of soil incubation studies -comparison between laboratories 224(2)

T. Salo

L.S. Jensen

F. Palmason

T.A. Breland

B. Stenberg

A. Pedersen

C. Lundstrom

M. Esala

Attempts to overcome genotypic variability of SPAD readings in winter triticale 226(3)

S. Samborski

J. Rozbicki

Organic nitrogen loads at different scale levels in Spain 229(2)

J. Soler-Rovira

J.M. Arroyo-Sanz

Organic nutrient management indicators at district level in Spain 231(3)

J. Soler-Rovira

J.M. Arroyo-Sanz

Physical separation of pig slurry has a small effect on the overall utilisation of nitrogen 234(2)

P. Sørensen

I.K. Thomsen

B.T. Christensen

The use of anaerobic incubations to predict net N immobilisation after the application of organic residues to soils 236(3)

J.R. Sousa

R. Lagoa

F. Cabral

J. Coutinho

Nitrogen uptake by ryegrass (Lolium perenne) as affected by the decomposition of apple leaves and pruning wood in soil 239(3)

M. Tagliavini

G. Tonon

D. Solimando

P. Gioacchini

M. Toselli

P. Boldreghini

C. Ciavatta

Use of the NDICEA model analysing nitrogen efficiency 242(2)

G.J. van der Burgt

Microbial biomass measurements in soil of the central highlands of Mexico 244(2)

M.S. Vasquez-Murrieta

L. Dendooven

Natural 15N abundance as an indicator of the effect of management intensity on nitrogen cycling in montane grasslands 246(3)

M. Watzka

W. Wanek

Section 3 Controlling losses to air 249(130)

Controlling losses to air 251(9)

E.A. Davidson

A.R. Mosier

Pitfalls in measuring nitrous oxide production by nitrifiers 260(8)

N. Wrage

G.L. Velthof

H.L. Laanbroek

O. Oenema

The effect of organic and mineral nitrogen fertilisers on emissions of NO, N2O and CH4 from cut grassland 268(9)

R. Rees

S. Jones

R.E. Thorman

I. McTaggart

B. Ball

U. Skiba

A new agricultural ammonia emission inventory for Switzerland based on a large scale survey and model calculations 277(8)

B. Reidy

S. Pfefferli

H. Menzi

N2O emissions from a field trial as influenced by N fertilisation and nitrification inhibitors 285(3)

D. Baez

J. Coutinho

N. Moreira

H. Trindade

Denitrification and interactions between nitrification and methane oxidation under elevated atmospheric CO2 288(2)

E.M. Baggs

H. Blum

M. Richter

G. Cadisch

U.A. Hartwig

Soil water content as a factor that controls N2O production by denitrification and autotrophic and heterotrophic nitrification 290(3)

EJ. Bateman

G. Cadisch

E.M. Baggs

Short-term CO2 and N2O emission after application of manure and maize residues to three different soil types: a laboratory study 293(2)

D. Beheydt

P. Boeckx

L. Geers

A. Goossens

O. Van Cleemput

Influence of urinary N concentration on N2O and CO2 emissions and N transformation in a temperate grassland soil 295(3)

R. Bol

S.O. Petersen

K. Dittert

M.N. Hansen

A model-based evaluation of options for the mitigation of agricultural nitrous oxide emission 298(2)

L. Brown

L. Cardenas

P. Bellamy

S.C. Jarvis

J. Hollis

R.W. Sneath

S. Yamulki

K.W.T. Goulding

Variations in aerobic respiratory and denitrifying activities in the vadose zone: laboratory and field experiments 300(3)

P. Cannavo

F. Lafolie

A. Richaume

B. Nicolardot

P. Renault

Use of a 2-pool model to evaluate the effect of fertiliser application on nitrogen emissions from grassland soils 303(3)

L.M. Cardenas

J.M.B. Hawkins

D. Chadwick

D. Scholefield

Opportunities for reducing ammonia emissions from pig housing in the UK 306(3)

T.G.M. Demmers

R. Kay

N. Teer

A comparison of nitrous oxide and ammonia fluxes from managed grassland 309(2)

C. Di Marco

M. Anderson

C. Milford

U. Skiba

M.A. Sutton

K. Weston

Gaseous losses of various nitrogeneous compounds from fertilisation of a wheat crop 311(3)

S. Genermont

C. Henault

P. Laville

M.H. Jeuffroy

D. Flura

A simple denitrification model? Review, sensitivity and application 314(2)

M. Heinen

Nitrous oxide emissions from soil - fertiliser and soil type effects 316(2)

B. Hyde

A. Fanning

M. Ryan

M. Hawkins

O.T. Carton

The Irish ammonia emission inventory - implications for compliance with the Gothenburg Protocol 318(3)

B.P. Hyde

T. Misslebrook

O.T. Carton

Greenhouse gas emissions in meadow mesocosms exposed to elevated O3 and CO2 321(2)

T. Kanerva

K. Koivisto

K. Karhu

K. Regina

S. Manninen

Refining the uncertainty in nitrous oxide emissions from New Zealand agricultural soils 323(3)

F.M. Kelliher

A.S. Walcroft

S.F. Ledgard

H. Clark

G. Rys

H. Plume

M. Buchan

R.R. Sherlock

Dynamics of N2O and NO production by Alcaligenes faecalis parafaecalis: effect of pH, temperature, substrate and oxygen supply 326(3)

M. Kesik

S. Blagodatsky

H. Papen

K. Butterbach-Bahl

Denitrification and nitrate loss from organic agricultural soil at low temperatures 329(2)

H.T. Koponen

A. Parna

H. Silvennoinen

P.J. Martikainen

N2O emissions from a water-saving rice production system (GCRPS) in North China 331(2)

C. Kreye

K. Dittert

X. Zheng

X. Zhang

S. Lin

H. Tao

B. Sattelmacher

Controlling nitrous oxide emissions from agriculture: experience from The Netherlands 333(3)

P.J. Kuikman

G.L. Velthof

O. Oenema

Fluxes of N2O from permanent grassland with different levels of nitrogen supply 336(2)

C. Lampe

F. Taube

M. Wachendorf

B. Sattelmacher

K. Dittert

Gaseous nitrogen emissions from effluent irrigated soils 338(2)

Y. Master

R.J. Stevens

R.J. Laughlin

U. Shavit

A. Shaviv

Reducing losses of nitrous oxide from cattle slurry and mineral fertiliser applied to grassland by the use of DMPP 340(2)

P. Merino

A. del Prado

S. Menendez

L. Careaga

M. Pinto

J.M. Estavillo

C. Gonzalez-Murua

Influence of white clover on nitrous oxide fluxes in grassland 342(3)

A Mori

M. Hojito

H. Kondo

H. Matsunami

D. Scholefield

The effect of agricultural ammonia deposition on nitrous oxide production by soils under coniferous and deciduous woodland cover 345(2)

T. Morrissey

P. Ineson

D.R. Chadwick

Determination of N source in denitrification studies using stable isotope techniques 347(2)

P.J. Murray

D.J. Hatch

E.R. Dixon

R.J. Stevens

R.J. Laughlin

K. O'Prey

S.C. Jarvis

Using a system of undisturbed, in situ soil lysimeters to determine nitrogen transformations in a sub-surface clay interface 349(2)

P.J. Murray

E.R. Dixon

S.J. Granger

D.J. Hatch

S.C. Jarvis

R.J. Laughlin

R.J. Stevens

Urea concentration affects short-term N turnover and N2O production in grassland soil 351(3)

S.O. Petersen

S. Stamatiadis

C. Christofides

S. Yamulki

R. Bol

Leached N and the nitrous oxide emission factor 354(3)

D.S. Reay

K.A. Smith

A.C. Edwards

Seasonal subsoil denitrification of leached 15N-labelled nitrate 357(2)

S.M. Thomas

T.J. Clough

G.S. Francis

D.I. Hedderley

R.R. Sherlock

M.H. Beare

N2O emissions from intensive vegetable production systems 359(2)

S.M. Thomas

H.E. Barlow

G.S. Francis

D.I. Hedderley

Improving New Zealand predictions of N leaching for estimating indirect N2O emissions 361(2)

S.M. Thomas

S.F. Ledgard

G.S. Francis

Nitrogen losses during storage and following the land spreading of poultry manure 363(2)

R.E. Thorman

B.J. Chambers

R. Harrison

D.R. Chadwick

R. Matthews

R.J. Nicholson

From N2 fixation to N2O emission in a grass-clover mixture 365(2)

M. Thyme

P. Ambus

Nitrous oxide emission from an irrigated soil fertilised with pig slurry in Central Spain 367(2)

A. Vallejo

J.A. Diez

L. Garcia-Torres

P. Hernaiz

S. Lopez-Fernandez

Can tillage practice affect the contribution of nitrous oxide to the total greenhouse gas production from arable agriculture? 369(3)

C.P. Webster

T.S. Scott

K.W.T. Goulding

Soils as sources of N-trace gases in Germany - results from calculations with biogeochemical models 372(3)

C. Werner

M. Kesik

H. Papen

C. Li

K. Butterbach-Bahl

Denitrification in top soil and sub soil, data and model results 375(4)

K.B. Zwart

Section 4 Controlling losses to water 379(88)

Controlling losses to water 381(8)

M.A. Shepherd

E.I. Lord

Nitrate leaching from arable crop rotations in organic farming 389(8)

J.E. Olesen

M. Askegaard

J. Berntsen

Nitrogen rate, surplus or residue? Performance of selected indicators for nitrate leaching 397(9)

H.F.M. ten Berge

S.L.G.E. Burgers

M.J.D. Hack-Ten Broeke

A. Smit

J.J. de Gruijter

G.L. Velthof

J.J. Schroder

J. Oenema

F.J. de Ruijter

S. Radersma

I.E. Hoving

D. Boels

Safety-nets and filter functions of tropical agroforestry systems 406(9)

G. Cadisch

E. Rowe

D. Suprayogo

M. van Noordwijk

Comparison of the efficiency of different catch crops on potentially leachable nitrate 415(2)

P.Y. Bontemps

R. Lambert

C. Devillers

A. Peeters

Inverse stochastic modelling of water and N drainage from lysimeters 417(3)

M. Decrem

K.C. Abbaspour

J. Nievergelt

F. Herzog

W. Richner

Nitrogen concentrations in an intensively farmed livestock catchment 420(3)

O. del Hierro

M. Pinto

A. Artetxe

A. del Prado

NGAUGE DSS as a tool to assist UK dairy farmers to comply with EU nitrate legislation 423(2)

A. del Prado

L. Brown

D. Scholefield

Comparison between the risk of nitrogen leaching from temporary cut grassland and maize 425(3)

B. Deprez

D. Knoden

H. de Blander

R. Lambert

C. Decamps

A. Peeters

Temporal and spatial denitrification patterns in nitrate retention by three riparian buffer zones 428(3)

K. Dhondt

P. Boeckx

O. Van Cleemput

G. Hofman

Effective reductions in nitrate leaching and nitrous oxide emissions by the use of a nitrification inhibitor, dicyandiamide (DCD), in a grazed and irrigated grassland 431(3)

H.J. Di

K.C. Cameron

Nitrate leaching and N2-fixation in grasslands of different composition, age and management 434(3)

J. Eriksen

F.P. Vinther

Action programme and practices for reduction of nitrate from agricultural sources in Central Greece 437(2)

T. Georgiou

T. Karyotis

I. Katsilouli

A. Haroulis

M. Toulios

G. Argyropoulos

A field study of nitrate leaching from tillage crops in Ireland 439(2)

K.V. Hooker

K. Richards

C.E. Coxonand

R. Hackett

Dissolved organic nitrogen concentration in two grassland soils 441(3)

D.L. Jones

J.F. Farrar

V.B. Willett

Simulation with STICS soil-crop model of catch crop effects on nitrate leaching during the fallow period and on N released for the succeeding main crop 444(3)

E. Justes

F. Dorsainvil

M. Alexandre

P. Thiebeau

Nitrate in soils and water originated from agricultural sources: a case study in Thessaly, Central Greece 447(2)

Ir. Katsilouli

Th. Karyotis

Th. Georgiou

Th. Mitsimponas

A. Panagopoulos

A. Panoras

D. Pateras

A. Haroulis

G. Argyropoulos

M. Toulios

Monitoring and mathematical modelling of nitrate leaching in an experimental field treated with pig slurry 449(3)

P. Mantovi

L. Fumagalli

G.P. Beretta

Nitrate leaching in arable cropland: effects of N-management 452(2)

A. Smit

K.B. Zwart

Reducing nitrate contamination of groundwater from intensive greenhouse-based vegetable production in Almeria, Spain - management considerations 454(3)

R.B. Thompson

M. Gallardo

C. Gimenez

Nitrogen budgets at field, farm and polder scales in a polder used for dairy farming 457(2)

C.L. van Beek

G.L. Velthof

O. Oenema

Nitrate leaching on loess soils as affected by N fertilisation and crop rotation 459(2)

W. van Dijk

P. Dekker

J.R. van der Schoot

Loss of inorganic nitrogen in surface runoff from grazed grassland 461(2)

C.J. Watson

R.V. Smith

E. Chisholm

Nitrogen losses in drainage water following pig slurry applications to an arable clay soil 463(4)

J.R. Williams

B.J. Chambers

R.B. Cross

R.A. Hodgkinson

Section 5 Reconciling productivity with environmental considerations 467(96)

Reconciling productivity with environmental considerations 469(15)

D. Scholefield

Forage maize production as affected by tillage, N source and nitrification inhibitors 484(3)

D. Baez

J. Coutinho

N. Moreira

H. Trindade

Is the N balance a good indicator of nitrogen losses in arable systems? 487(3)

N. Beaudoin

B. Mary

F. Laurent

G. Aubrion

J.K. Saad

A low disturbance technique for applying slurry on forage land 490(3)

S. Bittman

L.J.P. van Vliet

C.G. Kowalenko

S. McGinn

A.K. Lau

N. Patni

T. Forge

N. McLaughlin

D.E. Hunt

F. Bounaix

A. Friesen

Effects of field history on the establishment of white clover in association with perennial ryegrass 493(3)

L.M. Bommele

D. Reheul

N. Van Eekeren

F. Nevens

Nitrogen losses in relation to rice varieties, growth stages, and nitrogen forms determined with the 15N technique 496(2)

N.C. Chen

S. Inanaga

Effectiveness of alternative managements to reduce N losses from dairy farms 498(2)

S.P. Cuttle

M.M. Turner

Azofert: a new decision support tool for fertiliser N recommendations 500(2)

P. Dubrulle

J.M. Machet

N. Damay

Compost use in vegetable production: impact on gross N fluxes and implications for sustainable management practices 502(2)

T.C. Flavel

D.V. Murphy

Ammonia volatilisation and soil nitrogen dynamics following application of pig deep-litter and pig slurry in different soil tillage systems 504(3)

S.J. Giacomini

C. Aita

E. Guidini

E.B. Amaral

A. Lunkes

Estimation of nitrogen loading in Japanese prefectures and scenario testing of abatement strategies 507(3)

M. Hojito

A. Ikeguchi

K. Kohyama

K. Shimada

A. Ogino

S. Mishima

K. Kaku

Indicators for environmental and economic sustainability on UK dairy farms 510(3)

E.C. Jewkes

D. Scholefield

M.M. Turner

L. Brown

Dairy production using an extended grazing management system - a preliminary assessment of nitrogen flows 513(3)

E.C. Jewkes

D. Scholefield

M.R. Butler

J. Webb

T. Forrester

J. Lapworth

K. Russell

G. Bailey

A. Lathwood

A. Clarke

Decrease in the amount of residual nitrate in cultivated Land 516(2)

R. Lambert

V. Van Bol

A. Peeters

Estimating nitrogen losses from animal manures using their phosphorus balance 518(2)

R. Lambert

B. Toussaint

A. Peeters

Encouraging farmers to utilise nitrogen more efficiently 520(3)

K.A. Leach

J.S. Conway

J.P. Morgan

B.F. Pain

D. Munday

Conserving biologically fixed N to increase its utilisation and decrease gaseous losses 523(2)

A.K. Løes

A.K. Bakken

T.A. Breland

R. Eltun

H. Riley

Effect of animal treading intensity on the efficiency of N2 fixation by clover in mixed grass/clover pasture and potential implications for long-term soil N availability 525(2)

J.C. Menneer

S.F. Ledgard

C.D.A. McLay

W.B. Silvester

Effect of type and dose of sewage sludge application in maize+ryegrass rotation in Galicia (NW Spain) 527(3)

M.R. Mosquera-Losada

A. Amador-Garcia

A. Rigueiro-Rodriguez

Cattle slurry and vegetable, fruit and garden (VFG) waste compost in silage maize: fertiliser N no longer needed? 530(2)

F. Nevens

D. Reheul

Applying a ley/arable rotation to reduce N input in forages 532(2)

F. Nevens

D. Reheul

Farm N budgets with estimated nitrogen losses by use of soil N modelling 534(2)

A.H. Nielsen

B.M. Petersen

I.S. Kristensen

Political transformations and nitrogen balances of dairy farms in Poland 536(3)

S. Pietrzak

O. Oenema

Dirty water - a valuable source of nitrogen on dairy farms 539(2)

K. Richards

M. Ryan

C.E. Coxon

Effect of date and dose of sewage sludge application in grasslands production and nitrogen soil concentration in Galicia (NW Spain) 541(3)

A. Rigueiro-Rodriguez

A. Casanova-Vigo

M.R. Mosquera-Losada

Nitrate losses in forestry nurseries using municipal sewage sludge 544(3)

A. Rigueiro-Rodriguez

J. Rasche-Castillo

M.R. Mosquera-Losada

Assessment of measures to reduce nitrogen losses from dairy farms 547(2)

J. Scheringer

J. Isselstein

Nitrogen use efficiency in a water saving ground cover rice production system in Beijing, North China 549(2)

H. Tao

K. Dittert

S. Lin

C. Kreye

B. Sattelmacher

Effect of herbicide, maize variety precocity and sowing date of three winter cover crops on forage yield and on herbage N removal from an intensive double-cropping system 551(3)

H. Trindade

J. Coutinho

N. Moreira

Effects of grassland renovation on herbage yields and nitrogen losses 554(3)

G.L. Velthof

I.E. Hoving

Nitrogen budgets of Flemish specialised dairy farms during 1990-2000 557(2)

I. Verbruggen

F. Nevens

A. Mulier

G. Hofman

Substitution of N fertiliser supply for maize with lupin as a winter crop in rotations under zero and conventional tillage in southern Brazil 559(4)

L. Zotarelli

B.J.R. Alves

E. Torres

S. Urquiaga

R.M. Boddey

Section 6 Models and decision support systems 563(16)

NGAUGE: A decision support system to optimise N fertilisation of UK grassland for economic and/or environmental goals 565(2)

L. Brown

D. Scholefield

E.C. Jewkes

A. del Prado

D.R. Lockyer

UK-DNDC: a mechanistic model to estimate N2O fluxes in the UK 567(2)

L Brown

B. Syed

S.C. Jarvis

R.W. Sneath

V.R. Phillips

K.W.T. Goulding

C. Li

MAST - a model of ammonia volatilisation with an examination of abatement strategies for a dairy farm 569(2)

E.C. Jewkes

C.A. Ross

D. Scholefield

S.C. Jarvis

Development of the OVERSEER® nutrient budget model to examine implications of pastoral management practices on nitrogen flows and losses 571(2)

S.F. Ledgard

D.M. Wheeler

C.A.M. de Klein

R.M. Monaghan

K. Johns

The MANNER model: predicting the crop available N supply from farm manure applications 573(2)

F.A. Nicholson

B.J. Chambers

E.I. Lord

K.A. Smith

S.A. Anthony

M.M. Gibbons

The nutrient leaching model ANIMO 575(2)

J. Roelsma

P. Groenendijk

O.F. Schoumans

The SUNDIAL Model 577(2)

J.U. Smith

P. Smith

A.G. Dailey

M.J. Glendining

G. Tuck

P.K. Leech

Section 7 Themed working groups 579(40)

Organic matter: does it matter, or can technology overcome most problems related to soil fertility? 581(5)

S. Recous

G. Cadisch

Optimising N additions: can we integrate fertiliser and manure use? 586(8)

J.J. Schroder

R.J. Stevens

Controlling gaseous N emissions - what is achievable? 594(6)

R. Harrison

E.M. Baggs

Missing N: is the solution in dissolved N? 600(6)

A.J. Macdonald

D.L. Jones

Pollution problems: mitigation or are we swapping one form of pollution for another? 606(3)

B.J. Chambers

O. Oenema

Systems studies; do we need them, or can they be replaced by desktop studies? 609(6)

H.F.M. Aarts

A. Pflimlin

Model answers: can we improve their level of confidence and applicability? 615(4)

S.F. Ledgard

N.J. Hutchings
Author index 619