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Light competition in Chinese cabbage/maize strip intercropping systems

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dc.contributor.authorFeike, Til
dc.contributor.authorMunz, Sebastian
dc.contributor.authorGraeff-Hönninger, Simone
dc.contributor.authorChen, Qing
dc.contributor.authorPfenning, Judit
dc.contributor.authorZühlke, Gudrun
dc.contributor.authorClaupein, Wilhelm
dc.contributor.editorClaupein, Wilhelm
dc.contributor.editorTheuvsen, Ludwig
dc.contributor.editorKämpf, Anita
dc.contributor.editorMorgenstern, Marlies
dc.date.accessioned2019-02-20T09:43:45Z
dc.date.available2019-02-20T09:43:45Z
dc.date.issued2010
dc.description.abstractDue to drastic socio-economic changes traditional intercropping systems in China are endangered. New high yielding intercropping systems that can easily be mechanized have to be developed. By using environmental resources more efficiently intercropping often produces higher yields compared to monocropping. Solar radiation as the strongest growth factor plays a key role when designing new intercropping systems. A Chinese cabbage - maize strip intercropping experiment was run at Hohenheim University's research station “Ihinger Hof” in 2009. Photosynthetically active radiation (PAR) was measured regularly in the strips in different distances to the neighboring maize plants. However continuous and simultaneous measurements and thus the direct quantification of differences in daily available PAR were not possible. By adjusting polynomials to the measured timelines and defining sunrise and sunset as the interval borders the integrals of each polynomial could be calculated. Daily PAR was significantly reduced in the first three rows of Chinese cabbage grown next to maize; with the lowest values of 70% and 56% in row one west and east respectively. Reduced PAR led to significant yield decreases in these Chinese cabbage rows. To optimize the spacing in a maize/Chinese cabbage intercropping system PAR availability and tolerance of shading of the subordinate crop will be decisive.en
dc.identifier.isbn978-3-88579-252-9
dc.identifier.pissn1617-5468
dc.identifier.urihttps://dl.gi.de/handle/20.500.12116/20248
dc.language.isoen
dc.publisherGesellschaft für Informatik e.V.
dc.relation.ispartofPrecision Agriculture Reloaded – Informationsgestützte Landwirtschaft
dc.relation.ispartofseriesLecture Notes in Informatics (LNI) - Proceedings, Volume P-158
dc.titleLight competition in Chinese cabbage/maize strip intercropping systemsen
dc.typeText/Conference Paper
gi.citation.endPage68
gi.citation.publisherPlaceBonn
gi.citation.startPage65
gi.conference.date24.-25. Februar 2010
gi.conference.locationStuttgart
gi.conference.sessiontitleRegular Research Papers

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P158 - Precision Agriculture Reloaded – Informationsgestützte Landwirtschaft