patented nitrogen stabilizer - agra

Urease inhibitor (NBPT) for granular and prilled urea, liquid UAN, UAS and urea solutions.

PatentedNitrogenStabilizer

Climatechange,weatherfluctuationandthelackofprecipitationaffectsmodernagriculture. Cropyieldsarefundamentallyinfluencedbythecourseofprecipitationduringtheperiodafteranapplicationofnitrogenfertilizers.

Itisnecessarytoincreasetheeffectivenessofnitrogenfertilizers,evenunderminimalrainfall. Inthemomentwecannotforecastwhichweatherconditionswillprevail,however,StabilureN® technologyensuresthattheappliednutrientspersistinunchangedformuntilrainorirrigationallowsthemtopenetratetherootzone.

Reductionofnitrogenlossesensuresthecost-effectivenessofinputs. Easystorageinoriginalpackingattemperaturesbetween-20°Cand+35°C Packedin5,10and20lcanisters,600and1000lIBCcontainers

AGRA GROUP a.s.

Tovární201,38715StřelskéHoštice,CzechRepublicPHONE: +420383313527,FAX: +420383399735, E-MAIL: info@agra.czWWW.STABILUREN.COM

• minimizes ammonia volatilization• increasesnitrogenefficiency• applied nitrogen penetrates totherootzonewiththefirstrain• environmentallyfriendly

Klára Portášiková (InternationalBusinessManager) +420 725 537 674 klara.portasikova@agra.cz

Doyouhaveanyquestion?Doyouneedourassistance?Pleasecontactus!Wewillbemorethanhappytohelpyou.

– patented nitrogen stabilizer: combinesNBPT(ureaseinhibitor)togetherwithuniqueorganicsolventsystemtailoredforureaandliquidfertilizerscontainingamidic/ureanitrogen.ThisformulationgivesabilityStabilureN®tobedistributedextremelyuniformlywhenapplied

protectsureanitrogenuntilitcanpenetratedeeperintothesoilprofiletotherootzone,eitherduringthefirsteffectiverainfallafterapplication(i.e.precipitationapproximately5mm),orthroughirrigation

allowsmuchmoreofthefertilizer’soriginalnutrientcontenttobetakenupbyplants,eitherdirectlyasureanitrogen(NH2),orafterhydrolysistoammoniumnitrogen(NH4

+)intherootzonewhichcouldbealsoheldinthesoilbysorptionforlateruptake

improvesnitrogenuseefficiency,thatresultsinhigherandmorestablecropyields,andreducedenvironmentalpollution

representsidealtechnologytobeusedwhenthefertilizerisappliedonthesoilsurfaceduringtheplantvegetationwithoutmechanicalincorporationtothesoilprofile

isalsoprovedforfertilizerapplicationbeforeorduringsowing

Nitrogen utilization by winter wheat (Czech field trial results, Prague, 2016)

NBPT content stability after preparation of and UAN 30 mixture (proved at 22°C) urea

NH2

stabilizednon-stabilized

urea

ammoniavolatilization

urease

slow penetrationto the root zone

rapid penetration to the rootzone with the first precipitation

stop slow penetrationto the root zone

withoutstabilization

stop ammoniavolatilization

stabilization by

NH2

urea

NH2

a lot of

NH4+

minimum

NH4+

hydrolysis stop hydrolysis

ureaseinhibition

– Tailored solutions for fertilizers

StabilureN® TS25R(25%NBPT)liquidformulationforgranularorprilledureacoating.

highefficienthomogeneouscoatingofeachgranule lowviscosityevenduringlowtemperatures perfectadhesiontourea dosage:

treatedfertilizer StabilureN®TS25R

granulledorprilledurea 1,7–3,1kg/t

StabilureN®30(30%NBPT)forliquidUAN,UASfertilizers,andureasolutions.

excellentmiscibilitywithUAN,UASandwithureasolutions maybeusedwithcommonplantprotectionproducts doesnotincreasetheriskofUANorUASplantburn dosage:

treatedfertilizer StabilureN®30

UAN 1,1–1,24l/m3

UAS 0,9–1,0l/m2

Ureasolutions 1,4–2,5ml/kgofdissolvedurea

0 10 20 30 40nitrogen utilization [%]

Dosage: 60 kg N/ha (isotopic labeled 15N) Timing: beginning of flowering

UREAstabil® is urea stabilized by StabilureN® technology; Souce: Crop Research Institute Prague*

solid fertilizers

liquid fertilizers

50 60 70 80

CAN

urea

UREAstabil®*

UAN 30

UAN 30 + Stabiluren® 30

64

58

71

63

68

NBP

T co

nten

t in

the

mix

ture

(% o

f ini

tial s

tate

)days after preparation of the mixture

100100 98 94 90

80

60

40

20

00 2 4 6 8 10 12 14