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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: [email protected]
• minimizes ammonia volatilization• increasesnitrogenefficiency• applied nitrogen penetrates totherootzonewiththefirstrain• environmentallyfriendly
Klára Portášiková (InternationalBusinessManager) +420 725 537 674 [email protected]
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
