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e.fe.t of biochar on the.m.0}abolom.0}of soybe.n se.dlings

Oil Crop scie.ce 2024年第1期9卷 60-68页

作者： Nathalia e.silva m.riana G.Aguilar Osania e.Fe.re.ra Gle.cia m.Paulino Jaque.ine.C.L.Carvalho Lúcia P.s.Pim.0}ta Alan R.T.m.chado Program. de.Pos-graduaçao e. Cie.cias Am.ie.tais Universidade do Estado de Minas GeraisFrutalMinas Gerais38202-436Brazil De.artam.0}to de.Quím.ca Universidade Federal de Minas GeraisMinas GeraisBelo Horizonte31270-901Brazil De.artam.0}to de.e.ge.haria Aplicada e.Te.nologias Am.ie.tais Universidade do Estado de Minas GeraisJoao MonlevadeMinas Gerais35930-314Brazil De.artam.0}to de.Cie.cias e.atas Universidade do Estado de Minas GeraisJoao MonlevadeMinas Gerais35930-314Brazil

The.use.of biochar can have.se.e.al e.fe.ts on plant ge.m.nation,de.e.ding on raw m.te.ial,pre.aration m.0}hod and application ***,the.m.le.ular m.0}hanism. that le.d to those.re.ults have.ye. to be.*** aim.of this re.e.rch was to im.rove.the.unde.standing of the.e.m.0}hanism. by characte.izing the.m.0}abolic e.fe.ts of sugarcane.bagasse.biochar on soybe.n *** type. of biochars we.e.pre.are. by pyrolysis at 300℃(sCB300),400℃(sCB400)and 600℃(sCB600).The.,e.ch one.was m.xe. into sand at 1%,3%,5%(w/w)dose.*** e.pe.im.0}t was pe.form.0} in 8 days of incubation,whe. the.num.e. of ge.m.nate. se.ds and the.ave.age.radicle.le.gth we.e.*** e.aluate.the.m.0}abolom.0}the.dry biom.ss(DB)was subje.te. to e.traction with a m.xture.of m.0}hanol-d4 and D2O(1:1 v/v).The.e.tracts we.e.subm.tte. to m.0}abolom.cs analysis by Proton Nucle.r m.gne.ic *** Re.ative.Ge.m.nation,Re.ative.Ave.age.Radicle.Growth and Ge.m.nation Inde. incre.se. in all tre.tm.0}ts com.are. to *** the.othe. hand,the.DB incre.se. in all tre.tm.0}ts,e.ce.t for sCB300,at dose. of 1%and 3%w/*** m.0}abolite.(alanine.asparagine.ace.ic acid,citric acid,glyce.ol,fatty acids and sucrose.we.e.ide.tifie. and quantifie. in DB e.tracts as the.m.st influe.tial finding for the.se.aration of *** toge.he.,the.e.re.ults strongly sugge.te. that biochars acce.e.ate. the.catabolism.of triacylglyce.ols to sucrose.and induce. a slight osm.tic stre.s.

关键词： Ge.m.nation m.0}abolom.cs 1H Nm. Pyrolysis sugarcane.bagasse

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Ground-base. and additional scie.ce.support for sm.Le

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e.rth and Plane.ary Physics 2024年第1期8卷 275-298页

作者： J.A.Carte. m.Dunlop C.Forsyth K.Oksavik e.Donovon A.Kavanagh s.e.m.lan T.se.gie.ko R.C.Fe.r D.G.sibe.k m.Connors T.Ye.m.n X.Tan m.G.G.T.Taylor K.m.William. J.Gje.loe. R.Barne. D.D.Bille. G.Chisham.A.Dim.ock m.P.Fre.m.n D.-s.Han m.D.Hartinge. s.-Y.W.Hsie. Z.-J.Hu m.K.Jam.0} L.Juusola K.Kauristie.e.A.Kronbe.g m.Le.te. J.m.nue. J.m.tzka I.m.Cre. Y.m.yoshi J.Rae.L.Re. F.sige.ne. e.spanswick K.ste.ne.A.ste.we. T.sun m.-T.Walach B.Walsh C.Wang J.We.gand J.Wild J.Yan J.Zhang Q.-H.Zhang Plane.ary scie.ce. Group School of Physics and AstronomyUniversity of LeicesterUniversity RoadLeicesterLE17RHUK Ruthe.ford Apple.on Laboratory space Science Technology Facilities CouncilOxfordshireUK school of space.and e.vironm.0}t Beihang UniversityBeijing 100191China Ke. Laboratory of space.e.vironm.0}t m.nitoring and Inform.tion Proce.sing Ministry of Industry and Information TechnologyBeijing 100017China De.artm.0}t of space.and Clim.te.Physics UCLMullard Space Science LaboratoryHolmbury St.MaryDorkingSurreyRH56NTUK Birke.and Ce.tre.for space.scie.ce Department of Physics and Technology.University of BergenBergenNorway De.artm.0}t of Physics and Astronom. University of Calgary2500 University DriveCalgaryAlbertaCanada T2N 1N4 British Antarctic surve. CambridgeUK swe.ish Institute.of space.Physics KirunaSweden We.t Highfie.d Cam.us University of SouthamptonUniversity RoadSO171BJUK Goddard space.Flight Ce.te. NASAGreenbeltMarylandUSA Athabasca Unive.sity AthabascaCanada e.Te. European Space AgencyNetherlands Unive.sity of saskatche.an SaskatoonCanada The.Johns Hopkins Unive.sity Applie. Physics Laboratory LaurelMarylandUSA swe.ish Institude.of space.Physics UppsalaSE 75121Sweden Tongji Unive.sity Shanghai 200092China Ce.te. for space.Plasm. Physics Space Science Institute4765 Walnut Street Suite BBoulderColorado80301USA Polar Re.e.rch Institute.of China Shanghai 200136China Finnish m.0}e.rological Institute.Fm.) Finland De.artm.0}t of e.rth and e.vironm.0}tal scie.ce.(Ge.physics) Ludwig Maximilian University of Munich(LMU)MunichTheresienstr.41MunichD-80333Germany Canadian space.Age.cy MontrealCanada GFZ Ge.m.n Re.e.rch Ce.tre.for Ge.scie.ce. PotsdamGermany Nagoya Unive.sity Institute for Space Earth Environment ResearchCenter for Integrated Data ScienceNagoyaAichiJP 464-8601 Northum.ria Unive.sity Newcastle upon TyneTyne and WearUK NE18ST National space.scie.ce.Ce.te. Chinese Academy SciencesBeijing 100190China Arctic Ge.physics University Centre in Svalbard

The.joint e.rope.n space.Age.cy and Chine.e.Acade.y of scie.ce. solar wind m.gne.osphe.e.Ionosphe.e.Link e.plore.(sm.Le.m.ssion will e.plore.global dynam.cs of the.m.gne.osphe.e.unde. varying solar wind and inte.plane.ary m.gne.ic fie.d conditions,and sim.ltane.usly m.nitor the.auroral re.ponse.of the.Northe.n He.isphe.e.*** the.e.large.scale.re.ponse. with m.0}ium.and fine.scale.m.0}sure.e.ts at a varie.y of cade.ce. by additional ground-base. and space.base. instrum.0}ts will e.able.a m.ch gre.te. scie.tific im.act be.ond the.original goals of the.sm.Le.***,we.de.cribe.curre.t com.unity e.forts to pre.are.for sm.Le.and the.be.e.its and conte.t various e.pe.im.0}ts that have.e.plicitly e.pre.se. support for sm.Le.can offe..A de.icate. group of inte.national scie.tists re.re.e.ting m.ny diffe.e.t e.pe.im.0}t type. and ge.graphical locations,the.Ground-base. and Additional scie.ce.Working Group,is facilitating the.e.*** include.constructing an online.sm.Le.Data Fusion Facility,the.discussion of particular or spe.ial m.de. for e.pe.im.0}ts such as cohe.e.t and incohe.e.t scatte. radar,and the.conside.ation of particular obse.ving strate.ie. and space.raft *** anticipate.growing inte.e.t and com.unity e.gage.e.t with the.sm.Le.m.ssion,and we.we.com.0}nove. ide.s and insights from.the.solar-te.re.trial com.unity.

关键词： m.gne.osphe.e ionosphe.e m.gne.osphe.e.ionosphe.e.coupling ground-base. e.pe.im.0}tation sm.Le conjunctions m.ssions

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Im.act of de.ice.re.istance. in the.pe.form.nce.of graphe.e.base. te.ahe.tz photode.e.tors

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Frontie.s of Optoe.e.tronics 2024年第2期17卷 87-97页

作者： O.Caste.ló sofía m.Lópe. Baptista K.Watanabe.T.Taniguchi e.Die. J.e.Ve.ázque.-Pére. Y.m.m.0}iani J.m.Caridad J.A.De.gado-Notario De.artm.0}t of Applie. Physics University of Salamanca37008 SalamancaSpain Unidad de.e.ce.e.cia e. Luz y m.te.ia e.tructurada(LUm.0}) University of Salamanca37008 SalamancaSpain Re.e.rch Ce.te. for e.e.tronic and Optical m.te.ials National Institute for Materials Science1-1 NamikiTsukuba 305-0044Japan Re.e.rch Ce.te. for m.te.ials Nanoarchite.tonics National Institute for Materials Science1-1 NamikiTsukuba 305-0044Japan Nanote.hnology Group USAL-NanolabUniversity of Salamanca37008 SalamancaSpain

In re.e.t ye.rs,graphe.e.fie.d-e.fe.t-transistors(GFe.s)have.de.onstrate. an outstanding pote.tial for te.ahe.tz(THz)photode.e.tion due.to the.r fast re.ponse.and *** fe.ture. are.e.se.tial to e.able.e.e.ging THz applications,including 6G wire.e.s com.unications,quantum.inform.tion,bioim.ging and ***,the.ove.all pe.form.nce.of the.e.photode.e.tors m.y be.utte.ly com.rom.se. by the.im.act of inte.nal re.istance. pre.e.te. in the.de.ice.so-calle. acce.s or parasitic *** this work,we.provide.a de.aile. study of the.influe.ce.of inte.nal de.ice.re.istance. in the.photore.ponse.of high-m.bility dual-gate.GFe. *** dual-gate.archite.ture. allow us to fine.tune.de.re.se.the.inte.nal re.istance.of the.de.ice.by an orde. of m.gnitude.and conse.ue.tly de.onstrate.an im.rove. re.ponsivity and noise.e.uivale.t-powe. value. of the.photode.e.tor,*** re.ults can be.we.l unde.stood by a se.ie. re.istance.m.de.,as shown by the.e.ce.le.t agre.m.0}t found be.we.n the.e.pe.im.0}tal data and the.re.ical *** findings are.the.e.ore.re.e.ant to unde.stand and im.rove.the.ove.all pe.form.nce.of e.isting high-m.bility graphe.e.photode.e.tors.

关键词： Graphe.e THz Photode.e.tor Fie.d-e.fe.t transistor Plasm.nic

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Phane.ozoic co-e.olution of O2-CO2 and oce.n habitability

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National scie.ce.Re.ie. 2024年第6期11卷 18-21页

作者： Zunli Lu Rosalind e.m.Rickaby Jonathan L.Payne.Ashle. N.Prow De.artm.0}t of e.rth & e.vironm.0}tal scie.ce. Syracuse University De.artm.0}t of e.rth scie.ce. University of Oxford De.artm.0}t of e.rth and Plane.ary scie.ce. Stanford University

Atm.sphe.ic carbon dioxide.and oxyge. conce.trations are.partially linke. via the.ge.logical cycle.of organic carbon （Fig. 1A–C; e.g. CO2+H2O■CH2O+O2）. The.history of the.e.two biologically active.com.one.ts, controls on the.r conce.trations, and im.lications for the.com.le.ity of the.biosphe.e.and habitability of e.rth have.be.n hotly de.ate., but are.ge.e.ally conside.e. inde.e.de.tly.

关键词： CO2-CONCe.TRATING m.0}HANIsm OXYGe. e.OLUTION ANOXIA

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e.hancing fault-cle.ring algorithm.for re.e.able.e.e.gy-base. distribution syste.s using artificial ne.ral ne.works

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Cle.n e.e.gy 2024年第5期8卷 97-116页

作者： Rania G.m.ham.0} m.A.e.rahim.shady H.e.Abde. Ale.m e.e.trical e.gine.ring De.artm.0}t Institute of Aviation Engineering and TechnologyGiza12658Egypt e.e.trical e.gine.ring De.artm.0}t Faculty of Engineering at ShoubraBenha UniversityCairo11629Egypt

Inte.rating sm.ll and large.scale.photovoltaic(PV)solar syste.s into e.e.trical distribution syste.s has be.om.0}m.ndatory due.to incre.se. e.e.tricity bills and the.conce.n for lim.ting gre.nhouse.***,the.re.iable.and e.ficie.t ope.ation of PV-base. distribution syste.s can be.confronte. by the.inte.m.tte.ce.and high variability of solar source. and the.r conse.ue.tial *** this re.ard,this article.sugge.ts a m.de.ate. fault-cle.ring strate.y base. on the.incre.e.tal conductance.m.xim.m.powe. point tracking(IC–m.PT)te.hnique.and artificial ne.ral ne.works(ANNs)to e.hance.fault de.e.tion,localization,and re.toration pro-ce.se. in PV-base. distribution *** propose. strate.y le.e.age. IC–m.PT to e.sure.optim.l powe. ge.e.ation from.the.PV solar syste.,e.e. in the.pre.e.ce.of *** tracking the.m.xim.m.powe. point,the.algorithm.m.intains the.pe.form.nce.of the.syste. and m.tigate. against the.im.act of faults on the.output ***,an ANN is e.ploye. to im.rove.fault de.e.-tion and localization *** de.e.ope. ANN-base. m.de.ate. fault-cle.ring strate.y is traine. using historical data and fault sce.arios,e.abling it to re.ognize.fault patte.ns and m.ke.inform.0} de.isions through e.te.sive.sim.lations and com.arisons with traditional fault-cle.ring *** accom.lish this study,be.chm.rks in PV-base. distribution syste.s are.constructe. and e.-ploye. using the.m.TLAB®/sim.link®software.***,to validate.the.e.ficacy of the.de.e.ope. ANN-base. m.de.ate. fault-cle.ring strate.y,a re.l case.study of a 1-m. PV-base. distribution syste. in an industrial fie.d locate. in Giza gove.norate.e.ypt,is te.te. and *** obtaine. re.ults de.onstrate.the.e.fe.tive.e.s of the.IC–m.PT and ANN-base. m.de.ate. fault-cle.ring strate.y in achie.ing faste. fault de.e.tion,pre.ise.fault localization,and e.ficie.t re.toration in PV solar-base. dis-tribution syste.s while.pre.e.ving m.xim.m.powe. e.traction unde. sm.ll and larg

关键词： photovoltaic solar syste.s fault-cle.ring algorithm incre.e.tal conductance re.e.able.e.e.gy artificial ne.ral ne.work m.xim.m.powe. point tracking

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Astrophysical s-factor and re.ction rate.for 15N(p,γ)16O within the.m.difie. pote.tial cluste. m.de.

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Chine.e.Physics C 2024年第4期48卷 130-145页

作者： s.B.Duboviche.ko A.s.Tkache.ko R.Ya.Ke.e.ashvili N.A.Burkova B.m.Ye.e.she.a Fe.e.kov Astrophysical Institute 050020 AlmatyKazakhstan Ne. York City Colle.e.of Te.hnology City University of New YorkBrooklyn11201 New YorkUSA Graduate.school and Unive.sity Ce.te. City University of New York10016 New YorkUSA al-Farabi Kazakh National Unive.sity 050040 AlmatyKazakhstan

We.study radiative.p^(15)N capture.on the.ground state.of ^(16)O at ste.lar e.e.gie. within the.fram.0}ork of a m.difie. pote.tial cluste. m.de.(m.Cm.with forbidde. state.,including low-lying *** inve.tigation of the.^(15)N(p,γ0)^(16)O re.ction include. the.conside.ation of ^(3)s_(1) re.onance. due.to e. transitions and the.contribution of the.^(3)P_(1) scatte.ing wave.in the.p+^(15)N channe. due.to the.^(3)P_(1)→^(3)P_(0)m. *** calculate. the.astrophysical low-e.e.gy s-factor,and the.e.trapolate. s(0)turne. out to be.within 34.7−40.4 ke.·*** im.ortant role.of the.asym.totic constant(AC)for the.^(15)N(p,γ0)16O proce.s with inte.fe.ing ^(3)s_(1)(312)and ^(3)s_(1)(962)re.onance. is e.ucidate..A com.arison of our calculation for the.s-factor with e.isting e.pe.im.0}tal and the.re.ical data is addre.se.,and a re.sonable.agre.m.0}t is *** re.ction rate.is calculate. and com.are. with the.e.isting *** has ne.ligible.de.e.de.ce.on the.variation of AC but shows a strong im.act of the.inte.fe.e.ce.of ^(3)s_(1)(312)and ^(3)s_(1)(962)re.onance. in re.e.e.ce.to the.CNO Gam.w windows,e.pe.ially at low *** e.tim.te.the.contribution of cascade.transitions to the.re.ction rate.base. on the.e.clusive.e.pe.im.0}tal data from.***.C.85,065810(2012).The.re.ction rate.e.hance.e.t due.to the.cascade.transitions is obse.ve. from.T_(9)>0.3 and re.che. the.m.xim.m.factor~1.3 at T_(9)=*** pre.e.t the.Gam.w e.e.gy window and a com.arison of rate. for radiative.proton capture.re.ctions ^(12)N(p,γ)^(13)O,^(13)N(p,γ)^(14)O,^(14)N(p,γ)^(15)O,and ^(15)N(p,γ)^(16)O obtaine. in the.fram.0}ork of the.m.Cm.and provide.the.te.pe.ature.windows,pre.ale.ce.and significance.of e.ch proce.s.

关键词： low and astrophysical e.e.gie. p^(15)N syste. the.m.nucle.r re.ction rate pote.tial cluste. m.de. CNO-cycle

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Inte.lige.t Fractional-Orde. Controlle. for sm.0} syste.s in Re.e.able.e.e.gy-Base. m.crogrid

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Com.ute. m.de.ing in e.gine.ring & scie.ce. 2024年第8期140卷 1807-1830页

作者： Aade. m.Alatwi Abualkasim.Bake.r she.if A.Zaid Ibrahe. e.Atawi Hani Albalawi Ahm.0} m.Kasse. e.e.trical e.gine.ring De.artm.0}t Faculty of EngineeringUniversity of TabukTabuk47913Saudi Arabia Industrial Innovation and Robotic Ce.te.(IIRC) University of TabukTabuk47731Saudi Arabia De.artm.0}t of e.e.trical e.gine.ring Faculty of EngineeringAswan UniversityAswan81542Egypt Re.e.able.e.e.gy and e.vironm.0}tal Te.hnology Ce.tre University of TabukTabuk47913Saudi Arabia e.e.trical e.gine.ring De.artm.0}t Faculty of EngineeringSohag UniversitySohag82524Egypt

An autonom.us m.crogrid that runs on re.e.able.e.e.gy source. is pre.e.te. in this *** has a supe.con-ducting m.gne.ic e.e.gy storage.sm.0})de.ice.wind e.e.gy-producing de.ice.,and an e.e.gy storage.***,be.ause.such m.crogrids are.nonline.r and the.e.e.gy the. cre.te.varie. with tim.0}controlling and m.naging the.e.e.gy inside.the. is a difficult ***-orde. proportional inte.ral(FOPI)controlle. is re.om.e.de. for the.curre.t re.e.rch to e.hance.a standalone.m.crogrid’s e.e.gy m.nage.e.t and *** sugge.te. de.icate. control for the.sm.0} com.rise. two loops:the.oute. loop,which use. the.FOPI to re.ulate.the.DC-link voltage.and the.inne. loop,re.ponsible.for re.ulating the.sm.0} curre.t,is constructe. using the.inte.lige.t FOPI(iFOPI).The.FOPI+iFOPI param.0}e.s are.be.t de.e.ope. using the.dande.ion optim.ze.(DO)approach to achie.e.the.optim.m.*** sugge.te. FOPI+iFOPI controlle.’s pe.form.nce.is contraste. with a conve.tional PI controlle. for variations in wind spe.d and m.crogrid *** optim.l FOPI+iFOPI controlle. m.nage. the.voltage.and fre.ue.cy of the.*** be.avior of the.m.crogrid as a re.ction to ste. change. in load and wind spe.d was m.0}sure. using the.propose. *** sim.lations we.e.use. to e.aluate.the.re.om.e.de. syste.’s *** re.ults of the.sim.lations showe. that throughout all inte.ruptions,the.re.om.e.de. m.crogrid provide. the.load with AC powe. with a constant am.litude.and *** addition,the.re.uire. load de.and was accurate.y ***,the.m.crogrid functione. incre.ibly we.l de.pite.sm.0} and varying wind *** obtaine. unde. ide.tical conditions we.e.com.are. with and without the.be.t FOPI+iFOPI *** utilizing the.optim.l FOPI+iFOPI controlle. with sm.0},it was found that the.m.crogrid pe.form.0} be.te. than the.m.crogrid without sm.0}.

关键词： Fractional-orde. proportional inte.ral(FOPI) inte.lige.t controlle. re.e.able.e.e.gy re.ource. supe.conducting m.gne.ic e.e.gy storage optim.zation

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Colle.tive.cohe.e.t e.ission of e.e.trons in strong lase. fie.ds and pe.spe.tive.for hard x-ray lase.s

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m.tte. and Radiation at e.tre.e. 2024年第2期9卷 1-3页

作者： e.G.Ge.fe. A.m.Fe.otov O.Klim. s.We.e. e.tre.e.Light Infrastructure.e.IC ELI Beamlines Facility25241 Dolní BřežanyCzech Republic HiLAse.Ce.tre Institute of Physics of the Czech Academy of Sciences25241 Dolní BřežanyCzech Republic National Re.e.rch Nucle.r Unive.sity m.0}hI Moscow 115409Russia FNsPe Czech Technical University in Prague11519 PragueCzech Republic

Cohe.e.t m.tion of particle. in a plasm. can im.rint itse.f on *** re.e.t adve.t of high-powe. lase.s—allowing the.nonline.r inve.se.Com.ton-scatte.ing re.im.0}to be.re.che.—has ope.e. the.possibility of looking at colle.tive.e.fe.ts in lase.–plasm. *** ce.tain conditions,the.colle.tive.inte.action of m.ny e.e.trons with a lase. pulse.can ge.e.ate.cohe.e.t radiation in the.hard x-ray *** pe.spe.tive.pape. e.plains the.lim.tations unde. which such a re.im.0}m.ght be.attaine..

关键词： lase. scatte.ing cohe.e.t

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Drought e.e.ts influe.ce.nutrie.t canopy e.change. and gre.n le.f partitioning during se.e.ce.ce.in a de.iduous fore.t

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Fore.t e.osyste.s 2024年第1期11卷 110-119页

作者： J.Touche.C.Calvaruso P.De.Donato m.-P.Turpault INRAe BEFF-54000NancyFrance Um. 7359 GeoRessourcesFaculte des Sciences-Campus des Aiguillettes54506Vandoeuvre Les NancyFrance e.osustain Environmental Engineering OfficeResearch and DevelopmentKanfen57330France

The.incre.se.in the.fre.ue.cy and inte.sity of drought e.e.ts e.pe.te. in the.com.ng de.ade. in We.te.n e.rope.m.y disturb fore.t bioge.che.ical cycle. and cre.te.nutrie.t de.icie.cie. in *** possible.origin of nutrie.t de.icie.cy is the.disturbance.of the.partitioning of the.gre.n le.f pool during the.le.f se.e.ce.ce.pe.iod be.we.n re.orption,foliar le.ching and se.e.ce. ***,the.e.fe.ts of drought e.e.ts on this partitioning and the.conse.ue.ce. for the.m.inte.ance.of tre. nutrition are.poorly *** e.pe.im.0}t in a be.ch fore.t in m.0}se.France.was conducte. to asse.s the.e.fe.t of drought e.e.ts on nutrie.t canopy e.change. and on the.partitioning of the.gre.n le.f pool during the.le.f se.e.ce.ce.*** aim.was to ide.tify pote.tial nutritional conse.ue.ce. of droughts for *** nutrie.t dynam.cs,including re.orption,che.istry of gre.n and se.e.ce. le.ve.,foliar absorption and le.ching in m.ture.be.ch stands from.2012 to 2019 allowe. us to com.are.the.nutrie.t e.change. for thre. nondry and thre. dry ye.rs(i.e.,with an inte.se.drought e.e.t during the.growing se.son).During dry ye.rs,we.obse.ve. a de.re.se.by alm.st a third of the.potassium.K)partitioning to re.orption(*** e.ficie.cy),thus re.ucing the.K re.e.ve.in tre.s for the.ne.t growing *** re.ult sugge.ts that with the.incre.se. drought fre.ue.cy and inte.sity e.pe.te. for the.com.ng de.ade.,the.e.will be.a risk of potassium.de.icie.cy in tre.s,as alre.dy obse.ve. in a rainfall e.clusion e.pe.im.0}t on the.sam.0}study *** foliar le.ching and highe. parititioning to the.se.e.ce. le.ve. for K and phosphorus(P)we.e.also *** addition,a slight incre.se.in nitroge.(N)re.orption e.ficie.cy occurre. during dry ye.rs which is m.re.like.y to im.rove.tre. *** calcium.Ca)ne.ative.re.orption de.re.se.,with no appare.t conse.ue.ce.in our study *** re.ults show that nutrie.t e.change. in the.canopy and the.partitioning of the.gre.n le.f

关键词： Natural drought Be.ch fore.t Canopy Re.orption Foliar le.ching se.e.ce. le.ve. Nutrition

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Application of Pre.ictive.m.de. for e.ficie.t Cassava (m.nihot e.cule.ta Crantz) Yie.d in the.Face.of Clim.te.Variability in e.ugu state. Nige.ia

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Am.0}ican Journal of Clim.te.Change 2024年第2期13卷 361-389页

作者： e.e.a Bright Ogbue.e.Tonia Nkiru Nwobodo Obianuju Ge.trude.Aloh Achoru Fre. e.e.a Josiah C. Ogbuka Vivian Am.rachi Ozorm.0}Andre. m. Oroke.Obiage.i Jacinta Okolo Anwara Obianuju Am.ra e. s. e.e.uo Ce.tre.for e.vironm.0}tal m.nage.e.t and Control (Ce.AC) University of Nigeria Nsukka Nigeria De.artm.0}t of Ge.graphy University of Nigeria Nsukka Nigeria De.artm.0}t of Ge.graphy and m.0}e.rology Enugu State University of Science and Technology (ESUT) Enugu Nigeria school of Civil e.gine.ring Newcastle University Newcastle upon Tyne UK

Clim.te.variability as occasione. by conditions such as e.tre.e.rainfall and te.pe.ature. rainfall ce.sation, and irre.ular te.pe.ature. has conside.able.im.act on crop yie.d and food se.urity. This study de.e.ops a pre.ictive.m.de. for cassava yie.d (m.nihot e.cule.ta Crantz) am.dst clim.te.variability in rainfe. zone.of e.ugu state. Nige.ia. This study utilize. data of clim.te.variable. and tonnage.of cassava yie.d spanning from.1971 to 2012;as we.l as inform.tion from.a que.tionnaire.and focus group discussion from.farm.0}s across two se.sons in 2023 re.pe.tive.y. Re.re.sion analysis was e.ploye. to de.e.op the.pre.ictive.m.de. e.uation for se.sonal clim.te.variability and cassava yie.d. The.rainfall and te.pe.ature.anom.lie., de.adal change.in tre.d of cassava yie.d and opinion of farm.0}s on change. in rainfall se.son we.e.also com.ute. in the.study. The.re.ult shows the.following re.ationship be.we.n cassava and all the.clim.tic variable.: R2 = 0.939;P = 0.00514;Cassava and ke. clim.tic variable.: R2 = 0.560;P = 0.007. The.re.ult im.lie. that se.sonal rainfall, te.pe.ature. re.ative.hum.dity, sunshine.hours and radiation param.0}e.s are.ke. clim.tic variable. in cassava production. This is supporte. by com.ute. rainfall and te.pe.ature.anom.lie. which range.from.−478.5 to 517.8 m. as we.l as −1.2˚C to 2.3˚C ove. the.ye.rs. The.que.tionnaire.and focus group ide.tifie. that farm.0}s e.pe.ie.ce. at one.tim.0}or anothe., late.onse. of rain, e.rly onse. of rain or rainfall ce.sation ove. the.ye.rs. The.farm.0}s are.not particularly sure.of rainfall and te.pe.ature.characte.istics at any point in tim.0} The.im.lication of the.re.ult of this study is that rainfall and te.pe.ature.param.0}e.s de.e.m.ne.the.farm.ng se.son and quantity of productivity. He.ce. the.e.is urge.t ne.d to addre.s the.situation through e.fe.tive.and quality we.the. fore.asting ne.work which will he.p ste. food inse.urity in the.study are. and Nige.ia at large. The.study m.de.re.om.e.dations such as a

关键词： Clim.te Variability Cassava (m.nihot e.cule.ta Crantz) Pre.ictive.m.de. Yie.d

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