Yield stability of silage maize double cropping systems across nine German environments

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dc.date.accessioned2023-11-03T09:24:10Z
dc.date.available2023-11-03T09:24:10Z
dc.date.issued2023-10-19
dc.description.sponsorshipGefördert durch den Publikationsfonds der Universität Kasselger
dc.identifierdoi:10.17170/kobra-202311028945
dc.identifier.urihttp://hdl.handle.net/123456789/15144
dc.language.isoeng
dc.relation.doidoi:10.3389/fagro.2023.1235034
dc.rightsNamensnennung 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectsilage maizeeng
dc.subjectorganic agricultureeng
dc.subjectwinter cover cropeng
dc.subjectroller-crimpereng
dc.subjecttillageeng
dc.subjectrow widtheng
dc.subjectrisk assessmenteng
dc.subjectadjusted coefficient of variationeng
dc.subject.ddc580
dc.subject.ddc630
dc.subject.swdDeutschlandger
dc.subject.swdSilomaisger
dc.subject.swdBiologische Landwirtschaftger
dc.subject.swdErtragssicherheitger
dc.subject.swdAnbautechnikger
dc.subject.swdBodenbearbeitungger
dc.subject.swdRisikoanalyseger
dc.subject.swdVariationskoeffizientger
dc.titleYield stability of silage maize double cropping systems across nine German environmentseng
dc.typeAufsatz
dc.type.versionpublishedVersion
dcterms.abstractIntroduction: Yield and its stability are both vital characteristics to evaluate the viability of cropping systems. However, the current frames of field research hardly allow an accurate evaluation of short-term effect stability. Therefore, over nine German environments (three years and three locations), first crop, maize, total harvested dry biomass yield (DMY), and maize dry matter content (DMC) variability were evaluated through a risk assessment in an organically managed silage maize experiment comprising 18 cropping systems. Material and methods: The treatment factors included first crop group (pure legume, legume–cereal mixture), first crop (winter pea, hairy vetch and their mixtures with rye, control), management—incorporating first crop use and tillage (double cropping system no-till, double cropping system reduced till, double-cropped, mulched system terminated with roller-crimper, control), fertilization and mechanical weed control (yes–no), and row width (75 cm, 50 cm). Results and discussion: The first crop DMY and maize DMC had a positive relationship with its variance, whereas maize DMY and total DMY had a negative relationship. The differences in risks were governed by system (number of crops), management and first crop (group), and followed compatible patterns with what was observed for their influence on the mean of the parameters. The pedological and climatic conditions, especially near maize sowing and establishment, and therefore the length of season are crucial in double cropping and double-cropped, mulched systems. In its current state, the location in the northern region of Germany was not well suited for the studied alternative systems, whereas in the other regions (central and south), double cropping systems with reduced tillage as well as double-cropped systems with pure legume mulches may offer alternative management systems for silage maize. Further optimization of the critical sowing and establishment phase may result in more diversified options for double cropping and double-cropped, mulched systems in the future.eng
dcterms.accessRightsopen access
dcterms.creatorSchmidt, Fruzsina
dcterms.creatorBöhm, Herwart
dcterms.creatorPiepho, Hans-Peter
dcterms.creatorUrbatzka, Peer
dcterms.creatorWachendorf, Michael
dcterms.creatorGraß, Rüdiger
dcterms.source.articlenumber1235034
dcterms.source.identifiereissn:2673-3218
dcterms.source.journalFrontiers in Agronomyeng
dcterms.source.volumeVolume 5
kup.iskupfalse

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