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Comparison of resilience of different plant teams to drought and temperature extremes in Denmark in sole and intercropping systems

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Title Comparison of resilience of different plant teams to drought and temperature extremes in Denmark in sole and intercropping systems
 
Creator Sears, R.R.
Shah, A.N.
Lehmann, L.M.
Ghaley, B.B.
 
Subject intercropping
legumes
 
Description Intercropping (IC) can reduce nitrogen fertilizer requirements, supress weeds, and improve crop yields and yield stability. Three field trials were conducted in Denmark in 2018 with intercropping and sole crops (SC) using spring wheat, barley, faba bean and field pea to compare productivity under five fertilizer levels. The trials were carried out using in a split-plot design with four. Anomalous weather during the 2018 cropping season created drought conditions and high temperatures above 31°C. No effect of fertilizer treatment was found, and total dry matter and grain yields were supressed in all systems. Wheat grain yields averaged 2.14 t ha−1 across systems, ranging from 1.58 t ha−1 as a component of the IC to 2.44 t ha−1 as SC, and barley grain yields averaged 2.35 t ha−1. Faba bean yielded 1.78 t ha−1 as SC, but failed in the IC. Pea failed in both systems. Intercropping barley with cover crops had no effect on grain yield or total dry matter. These results suggest that intercropping provided no production advantage during a drought and illuminate the need to continue conducting research and breeding on drought-resistant cultivars.
 
Date 2021-10-03
2021-10-15T03:04:54Z
2021-10-15T03:04:54Z
 
Type Journal Article
 
Identifier Sears, R.R., Shah, A.N., Lehmann, L.M. and Ghaley, B.B., 2021. Comparison of resilience of different plant teams to drought and temperature extremes in Denmark in sole and intercropping systems. Acta Agriculturae Scandinavica, Section B-Soil & Plant Science. https://doi.org/10.1080/09064710.2021.1936621
0906-4710
https://hdl.handle.net/10568/115434
https://doi.org/10.1080/09064710.2021.1936621
 
Language en
 
Rights CC-BY-NC-ND-4.0
Open Access
 
Publisher Informa UK Limited
 
Source Acta Agriculturae Scandinavica, Section B-Soil & Plant Science