[Effects of poplar-amaranth intercropping system on the soil nitrogen loss under different nitrogen applying levels].
Identifieur interne : 001F53 ( Main/Exploration ); précédent : 001F52; suivant : 001F54[Effects of poplar-amaranth intercropping system on the soil nitrogen loss under different nitrogen applying levels].
Auteurs : Jun Chu ; Jian-Hui Xue ; Dian-Ming Wu ; Mei-Juan Jin ; Yong-Bo WuSource :
- Ying yong sheng tai xue bao = The journal of applied ecology [ 1001-9332 ] ; 2014.
Descripteurs français
- KwdFr :
- MESH :
- analyse : Azote.
- composition chimique : Sol.
- croissance et développement : Amaranthus, Populus.
- méthodes : Agriculture.
- Engrais.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Nitrogen.
- chemical , chemistry : Soil.
- chemical : Fertilizers.
- growth & development : Amaranthus, Populus.
- methods : Agriculture.
Abstract
Characteristics of soil nitrogen loss were investigated based on field experiments in two types of poplar-amaranth intercropping systems (spacing: L1 2 m x 5 m, L2 2 m x 15 m) with four N application rates, i. e., 0 (N1), 91 (N2), 137 (N3) and 183 (N4) kg · hm(-2). The regulation effects on the soil surface runoff, leaching loss and soil erosion were different among the different types of intercropping systems: L1 > L2 > L3 (amaranth monocropping). Compared with the amaranth monocropping, the soil surface runoff rates of L1 and L2 decreased by 65.1% and 55.9%, the soil leaching rates of L1 and L2 with a distance of 0.5 m from the poplar tree row de- creased by 30.0% and 28.9%, the rates with a distance of 1. 5 m decreased by 25. 6% and 21.9%, and the soil erosion rates decreased by 65.0% and 55.1%, respectively. The control effects of two intercropping systems on TN, NO(3-)-N and NH(4+)-N in soil runoff and leaching loss were in the order of L1 > L2 > L3. Compared with the amaranth monocropping, TN, NO(3-)-N and NH(4+)-N loss rates in soil runoff of L1 decreased by 62.9%, 45.1% and 69.2%, while the loss rates of L2 decreased by 23.4%, 6.9% and 46.2% under N1 (91 kg · hm(-2)), respectively. High- er tree-planting density and closer positions to the polar tree row were more effective on controlling the loss rates of NO(3-)-N and NH(4+)-N caused by soil leaching. The loss proportion of NO(3-)-N in soil runoff decreased with the increasing nitrogen rate under the same tree-planting density, while that of NH(4+)-N increased. Leaching loss of NO(3-)-N had a similar trend with that of NH(4+)-N, i. e. , N3 > N2 > N1 > N0.
PubMed: 25757310
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">[Effects of poplar-amaranth intercropping system on the soil nitrogen loss under different nitrogen applying levels].</title><author><name sortKey="Chu, Jun" sort="Chu, Jun" uniqKey="Chu J" first="Jun" last="Chu">Jun Chu</name></author><author><name sortKey="Xue, Jian Hui" sort="Xue, Jian Hui" uniqKey="Xue J" first="Jian-Hui" last="Xue">Jian-Hui Xue</name></author><author><name sortKey="Wu, Dian Ming" sort="Wu, Dian Ming" uniqKey="Wu D" first="Dian-Ming" last="Wu">Dian-Ming Wu</name></author><author><name sortKey="Jin, Mei Juan" sort="Jin, Mei Juan" uniqKey="Jin M" first="Mei-Juan" last="Jin">Mei-Juan Jin</name></author><author><name sortKey="Wu, Yong Bo" sort="Wu, Yong Bo" uniqKey="Wu Y" first="Yong-Bo" last="Wu">Yong-Bo Wu</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2014">2014</date><idno type="RBID">pubmed:25757310</idno><idno type="pmid">25757310</idno><idno type="wicri:Area/Main/Corpus">001D85</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">001D85</idno><idno type="wicri:Area/Main/Curation">001D85</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Curation">001D85</idno><idno type="wicri:Area/Main/Exploration">001D85</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">[Effects of poplar-amaranth intercropping system on the soil nitrogen loss under different nitrogen applying levels].</title><author><name sortKey="Chu, Jun" sort="Chu, Jun" uniqKey="Chu J" first="Jun" last="Chu">Jun Chu</name></author><author><name sortKey="Xue, Jian Hui" sort="Xue, Jian Hui" uniqKey="Xue J" first="Jian-Hui" last="Xue">Jian-Hui Xue</name></author><author><name sortKey="Wu, Dian Ming" sort="Wu, Dian Ming" uniqKey="Wu D" first="Dian-Ming" last="Wu">Dian-Ming Wu</name></author><author><name sortKey="Jin, Mei Juan" sort="Jin, Mei Juan" uniqKey="Jin M" first="Mei-Juan" last="Jin">Mei-Juan Jin</name></author><author><name sortKey="Wu, Yong Bo" sort="Wu, Yong Bo" uniqKey="Wu Y" first="Yong-Bo" last="Wu">Yong-Bo Wu</name></author></analytic><series><title level="j">Ying yong sheng tai xue bao = The journal of applied ecology</title><idno type="ISSN">1001-9332</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Agriculture (methods)</term><term>Amaranthus (growth & development)</term><term>Fertilizers (MeSH)</term><term>Nitrogen (analysis)</term><term>Populus (growth & development)</term><term>Soil (chemistry)</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Agriculture (méthodes)</term><term>Amaranthus (croissance et développement)</term><term>Azote (analyse)</term><term>Engrais (MeSH)</term><term>Populus (croissance et développement)</term><term>Sol (composition chimique)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Nitrogen</term></keywords><keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Soil</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Fertilizers</term></keywords><keywords scheme="MESH" qualifier="analyse" xml:lang="fr"><term>Azote</term></keywords><keywords scheme="MESH" qualifier="composition chimique" xml:lang="fr"><term>Sol</term></keywords><keywords scheme="MESH" qualifier="croissance et développement" xml:lang="fr"><term>Amaranthus</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Amaranthus</term><term>Populus</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Agriculture</term></keywords><keywords scheme="MESH" qualifier="méthodes" xml:lang="fr"><term>Agriculture</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Engrais</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Characteristics of soil nitrogen loss were investigated based on field experiments in two types of poplar-amaranth intercropping systems (spacing: L1 2 m x 5 m, L2 2 m x 15 m) with four N application rates, i. e., 0 (N1), 91 (N2), 137 (N3) and 183 (N4) kg · hm(-2). The regulation effects on the soil surface runoff, leaching loss and soil erosion were different among the different types of intercropping systems: L1 > L2 > L3 (amaranth monocropping). Compared with the amaranth monocropping, the soil surface runoff rates of L1 and L2 decreased by 65.1% and 55.9%, the soil leaching rates of L1 and L2 with a distance of 0.5 m from the poplar tree row de- creased by 30.0% and 28.9%, the rates with a distance of 1. 5 m decreased by 25. 6% and 21.9%, and the soil erosion rates decreased by 65.0% and 55.1%, respectively. The control effects of two intercropping systems on TN, NO(3-)-N and NH(4+)-N in soil runoff and leaching loss were in the order of L1 > L2 > L3. Compared with the amaranth monocropping, TN, NO(3-)-N and NH(4+)-N loss rates in soil runoff of L1 decreased by 62.9%, 45.1% and 69.2%, while the loss rates of L2 decreased by 23.4%, 6.9% and 46.2% under N1 (91 kg · hm(-2)), respectively. High- er tree-planting density and closer positions to the polar tree row were more effective on controlling the loss rates of NO(3-)-N and NH(4+)-N caused by soil leaching. The loss proportion of NO(3-)-N in soil runoff decreased with the increasing nitrogen rate under the same tree-planting density, while that of NH(4+)-N increased. Leaching loss of NO(3-)-N had a similar trend with that of NH(4+)-N, i. e. , N3 > N2 > N1 > N0.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" IndexingMethod="Curated" Owner="NLM"><PMID Version="1">25757310</PMID><DateCompleted><Year>2015</Year><Month>10</Month><Day>22</Day></DateCompleted><DateRevised><Year>2018</Year><Month>12</Month><Day>02</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">1001-9332</ISSN><JournalIssue CitedMedium="Print"><Volume>25</Volume><Issue>9</Issue><PubDate><Year>2014</Year><Month>Sep</Month></PubDate></JournalIssue><Title>Ying yong sheng tai xue bao = The journal of applied ecology</Title><ISOAbbreviation>Ying Yong Sheng Tai Xue Bao</ISOAbbreviation></Journal><ArticleTitle>[Effects of poplar-amaranth intercropping system on the soil nitrogen loss under different nitrogen applying levels].</ArticleTitle><Pagination><MedlinePgn>2591-7</MedlinePgn></Pagination><Abstract><AbstractText>Characteristics of soil nitrogen loss were investigated based on field experiments in two types of poplar-amaranth intercropping systems (spacing: L1 2 m x 5 m, L2 2 m x 15 m) with four N application rates, i. e., 0 (N1), 91 (N2), 137 (N3) and 183 (N4) kg · hm(-2). The regulation effects on the soil surface runoff, leaching loss and soil erosion were different among the different types of intercropping systems: L1 > L2 > L3 (amaranth monocropping). Compared with the amaranth monocropping, the soil surface runoff rates of L1 and L2 decreased by 65.1% and 55.9%, the soil leaching rates of L1 and L2 with a distance of 0.5 m from the poplar tree row de- creased by 30.0% and 28.9%, the rates with a distance of 1. 5 m decreased by 25. 6% and 21.9%, and the soil erosion rates decreased by 65.0% and 55.1%, respectively. The control effects of two intercropping systems on TN, NO(3-)-N and NH(4+)-N in soil runoff and leaching loss were in the order of L1 > L2 > L3. Compared with the amaranth monocropping, TN, NO(3-)-N and NH(4+)-N loss rates in soil runoff of L1 decreased by 62.9%, 45.1% and 69.2%, while the loss rates of L2 decreased by 23.4%, 6.9% and 46.2% under N1 (91 kg · hm(-2)), respectively. High- er tree-planting density and closer positions to the polar tree row were more effective on controlling the loss rates of NO(3-)-N and NH(4+)-N caused by soil leaching. The loss proportion of NO(3-)-N in soil runoff decreased with the increasing nitrogen rate under the same tree-planting density, while that of NH(4+)-N increased. Leaching loss of NO(3-)-N had a similar trend with that of NH(4+)-N, i. e. , N3 > N2 > N1 > N0.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Chu</LastName><ForeName>Jun</ForeName><Initials>J</Initials></Author><Author ValidYN="Y"><LastName>Xue</LastName><ForeName>Jian-Hui</ForeName><Initials>JH</Initials></Author><Author ValidYN="Y"><LastName>Wu</LastName><ForeName>Dian-Ming</ForeName><Initials>DM</Initials></Author><Author ValidYN="Y"><LastName>Jin</LastName><ForeName>Mei-Juan</ForeName><Initials>MJ</Initials></Author><Author ValidYN="Y"><LastName>Wu</LastName><ForeName>Yong-Bo</ForeName><Initials>YB</Initials></Author></AuthorList><Language>chi</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>China</Country><MedlineTA>Ying Yong Sheng Tai Xue Bao</MedlineTA><NlmUniqueID>9425159</NlmUniqueID><ISSNLinking>1001-9332</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D005308">Fertilizers</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012987">Soil</NameOfSubstance></Chemical><Chemical><RegistryNumber>N762921K75</RegistryNumber><NameOfSubstance UI="D009584">Nitrogen</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName UI="D000383" MajorTopicYN="N">Agriculture</DescriptorName><QualifierName UI="Q000379" MajorTopicYN="Y">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D027721" MajorTopicYN="N">Amaranthus</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D005308" MajorTopicYN="Y">Fertilizers</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D009584" MajorTopicYN="N">Nitrogen</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="Y">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D032107" MajorTopicYN="N">Populus</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012987" MajorTopicYN="N">Soil</DescriptorName><QualifierName UI="Q000737" MajorTopicYN="Y">chemistry</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="entrez"><Year>2015</Year><Month>3</Month><Day>12</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2015</Year><Month>3</Month><Day>12</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2015</Year><Month>10</Month><Day>23</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">25757310</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list></list><tree><noCountry><name sortKey="Chu, Jun" sort="Chu, Jun" uniqKey="Chu J" first="Jun" last="Chu">Jun Chu</name><name sortKey="Jin, Mei Juan" sort="Jin, Mei Juan" uniqKey="Jin M" first="Mei-Juan" last="Jin">Mei-Juan Jin</name><name sortKey="Wu, Dian Ming" sort="Wu, Dian Ming" uniqKey="Wu D" first="Dian-Ming" last="Wu">Dian-Ming Wu</name><name sortKey="Wu, Yong Bo" sort="Wu, Yong Bo" uniqKey="Wu Y" first="Yong-Bo" last="Wu">Yong-Bo Wu</name><name sortKey="Xue, Jian Hui" sort="Xue, Jian Hui" uniqKey="Xue J" first="Jian-Hui" last="Xue">Jian-Hui Xue</name></noCountry></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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