Home About Browse Search
Svenska


Identification of species traits enhancing yield in wheat-faba bean intercropping: development and sensitivity analysis of a minimalist mixture model

Berghuijs, Herman and Wang, Z. and Stomph, T. J. and Weih, Martin and Van der Werf, W. and Vico, Giulia (2020). Identification of species traits enhancing yield in wheat-faba bean intercropping: development and sensitivity analysis of a minimalist mixture model. Plant and Soil. 455 , 203-226
[Research article]

[img] PDF
1MB

Abstract

Aim Cereal-legume intercropping can result in yield gains compared to monocrops. We aim to identify the combination of crop traits and management practices that confer a yield advantage in strip intercropping. Methods We developed a novel, parameter-sparse process-based crop growth model (Minimalist Mixture Model, M-3) that can simulate strip intercrops under well-watered but nitrogen limited growth conditions. It was calibrated and validated for spring wheat (Triticum aestivum) and spring faba bean (Vicia faba) grown as monocrops and intercrops, and used to identify the most suitable trait combinations in these intercrops via sensitivity analyses. Results The land equivalent ratio of intercrops was greater than one over a wide range of nitrogen fertilizer levels, but transgressive overyielding, with total yield in the intercrop greater than that of either sole crop, was only obtained at intermediate nitrogen applications. We ranked the local sensitivities of the individual yields of wheat and faba bean of the whole intercrop under various nitrogen input levels to various crop traits. Conclusions The total intercrop yield can be improved by selecting specific traits related to phenology of both species, as well as light use efficiency of faba bean and, under high nitrogen applications, of wheat. Changes in height-related crop traits affected individual yields of species in intercrops but not the total intercrop yield.

Authors/Creators:Berghuijs, Herman and Wang, Z. and Stomph, T. J. and Weih, Martin and Van der Werf, W. and Vico, Giulia
Title:Identification of species traits enhancing yield in wheat-faba bean intercropping: development and sensitivity analysis of a minimalist mixture model
Series Name/Journal:Plant and Soil
Year of publishing :2020
Volume:455
Page range:203-226
Number of Pages:24
Publisher:SPRINGER
ISSN:0032-079X
Language:English
Publication Type:Research article
Article category:Scientific peer reviewed
Version:Published version
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Agricultural Science
Keywords:Intercrop, Strip intercrop, Mixture, Wheat, Faba bean, Model, Sensitivity analysis, Crop growth model, Sensitivity analysis
URN:NBN:urn:nbn:se:slu:epsilon-p-107739
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-107739
Additional ID:
Type of IDID
DOI10.1007/s11104-020-04668-0
Web of Science (WoS)000562421800003
ID Code:22685
Faculty:NJ - Fakulteten för naturresurser och jordbruksvetenskap
Department:(NL, NJ) > Dept. of Crop Production Ecology
Deposited By: SLUpub Connector
Deposited On:02 Mar 2021 08:43
Metadata Last Modified:02 Mar 2021 08:51

Repository Staff Only: item control page

Downloads

Downloads per year (since September 2012)

View more statistics

Downloads
Hits