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Agronomy Journal
Article . 2021 . Peer-reviewed
License: Wiley Online Library User Agreement
Data sources: Crossref
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Maize yield under Urochloa ruziziensis intercropping and previous crop nitrogen fertilization

Authors: Fábio Luíz Checchio Mingotte; Celso Antônio Jardim; Camila Baptista do Amaral; Anderson Prates Coelho; Orlando Ferreira Morello; Fábio Tiraboschi Leal; Leandro Borges Lemos; +1 Authors

Maize yield under Urochloa ruziziensis intercropping and previous crop nitrogen fertilization

Abstract

AbstractMaize intercropping with forage crops and N under no‐tillage management have led to discrepant results regarding the impact on crop yield. Therefore, understanding various production systems is necessary to assist producers in decision making. The aim of this experiment was to evaluate whether maize (Zea mays L.) intercropping with Urochloa ruziziensis (R. Germ. and C.M. Evrard) Crins promotes differences in the agronomic performance of maize and if split top‐dressing N fertilization in the previous crop (common bean [Phaseolus vulgaris L.]) promotes increase in maize agronomic performance. The experiment was conducted during two agricultural years in southeastern Brazil, with treatments arranged as a split‐plot fitted in a randomized block design, with four replications. Main plot was cropping systems (two systems ‐ maize sole and maize intercropped with U. ruziziensis) while subplots comprised 10 combinations of split top‐dressed N applications, totaling 90 kg ha−1, applied to the previously cultivated common bean crop. Regardless of the agricultural year, intercropping with U. ruziziensis sown simultaneously with maize reduced maize yield by 12% on average. Intercropping maize and U. ruziziensis increased soil coverage from an average of 64–100% over maize as an only crop. The agronomic performance of maize grown in sole crop or intercropped with U. ruziziensis was not influenced by the effect of top‐dressing N fertilization applied in common bean under no‐tillage as previous crop. Intercropping maize with U. ruziziensis is a viable option for producers seeking improved soil coverage or grazing opportunities, however, caution is needed since maize yields may be reduced.

Country
Brazil
Keywords

630

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
8
Top 10%
Average
Top 10%
Green