Root distribution of grapefruit trees under dry granular broadcast vs. fertigation method
Identifieur interne : 003436 ( Main/Exploration ); précédent : 003435; suivant : 003437Root distribution of grapefruit trees under dry granular broadcast vs. fertigation method
Auteurs : M. Zhang [États-Unis] ; K. Alva [États-Unis] ; C. Li [États-Unis] ; V. Calvert [États-Unis]Source :
- Plant and Soil [ 0032-079X ] ; 1996-06-01.
Abstract
Abstract: The aim of this study was to determine the effects of nitrogen (N) fertilization methods on root distribution and mineral element concentrations of White Marsh grapefruit (Citrus paradisi MacFadyen) trees on sour orange (C. aurantium Lush) rootstock on a poorly drained soil. At 0–15 cm depth of soil, root density was significantly greater for trees receiving 112 kg N ha-1 yr-1 as dry granular broadcast than those receiving the same amount of N as fertigation. Of the total roots in the top 60 cm soil, >75% was at 0–15 cm and <10% was at 30–60 cm. Root density was greatest near the emitter. Nitrogen concentration of roots was greater for the trees which received fertigation as compared to the trees which received dry fertilizer broadcast or no N.
Url:
DOI: 10.1007/BF02185567
Affiliations:
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Calvert</name></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:237E1CA7377C1AFF66B67889A8F100471798A921</idno><date when="1996" year="1996">1996</date><idno type="doi">10.1007/BF02185567</idno><idno type="url">https://api.istex.fr/document/237E1CA7377C1AFF66B67889A8F100471798A921/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">000981</idno><idno type="wicri:Area/Istex/Curation">000981</idno><idno type="wicri:Area/Istex/Checkpoint">000D74</idno><idno type="wicri:doubleKey">0032-079X:1996:Zhang M:root:distribution:of</idno><idno type="wicri:Area/Main/Merge">003692</idno><idno type="wicri:Area/Main/Curation">003436</idno><idno type="wicri:Area/Main/Exploration">003436</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Root distribution of grapefruit trees under dry granular broadcast vs. fertigation method</title><author><name sortKey="Zhang, M" sort="Zhang, M" uniqKey="Zhang M" first="M." last="Zhang">M. Zhang</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Institute of Food and Agricultural Sciences, Indian River Research and Education Center, University of Florida, 34945-3138, Fort Pierce, FL</wicri:regionArea><placeName><region type="state">Floride</region></placeName></affiliation></author><author><name sortKey="Alva, K" sort="Alva, K" uniqKey="Alva K" first="K." last="Alva">K. Alva</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Institute of Food and Agricultural Sciences, Citrus Research and Education Center, University of Florida, 700 Experiment Station Road, 33850, Lake Alfred, FL</wicri:regionArea><placeName><region type="state">Floride</region></placeName></affiliation></author><author><name sortKey="Li, C" sort="Li, C" uniqKey="Li C" first="C." last="Li">C. Li</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Institute of Food and Agricultural Sciences, Indian River Research and Education Center, University of Florida, 34945-3138, Fort Pierce, FL</wicri:regionArea><placeName><region type="state">Floride</region></placeName></affiliation></author><author><name sortKey="Calvert, V" sort="Calvert, V" uniqKey="Calvert V" first="V." last="Calvert">V. 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At 0–15 cm depth of soil, root density was significantly greater for trees receiving 112 kg N ha-1 yr-1 as dry granular broadcast than those receiving the same amount of N as fertigation. Of the total roots in the top 60 cm soil, >75% was at 0–15 cm and <10% was at 30–60 cm. Root density was greatest near the emitter. Nitrogen concentration of roots was greater for the trees which received fertigation as compared to the trees which received dry fertilizer broadcast or no N.</div></front></TEI><affiliations><list><country><li>États-Unis</li></country><region><li>Floride</li></region></list><tree><country name="États-Unis"><region name="Floride"><name sortKey="Zhang, M" sort="Zhang, M" uniqKey="Zhang M" first="M." last="Zhang">M. Zhang</name></region><name sortKey="Alva, K" sort="Alva, K" uniqKey="Alva K" first="K." last="Alva">K. Alva</name><name sortKey="Calvert, V" sort="Calvert, V" uniqKey="Calvert V" first="V." last="Calvert">V. Calvert</name><name sortKey="Li, C" sort="Li, C" uniqKey="Li C" first="C." last="Li">C. Li</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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