Designing intercrops for high yield, yield stability and efficient use of resources: Are there principles?

Tjeerd Jan Stomph*, Christos Dordas, Alain Baranger, Joshua de Rijk, Bei Dong, Jochem Evers, Chunfeng Gu, Long Li, Johan Simon, Erik Steen Jensen, Qi Wang, Yuyun Wang, Zishen Wang, Huasen Xu, Chaochun Zhang, Lizhen Zhang, Wei Ping Zhang, Laurent Bedoussac, Wopke van der Werf

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

41 Citations (Scopus)

Abstract

Intercropping is the simultaneous cultivation of plant species in the same field for a considerable proportion of their growing periods. Interest in intercropping for sustainable agriculture is on the rise and the number of scientific studies on intercropping is strongly increasing. Here we assess the current status of knowledge on factors that determine yield, yield stability and resource use efficiency of intercropping as compared to sole cropping. Distinguishing resource use into acquisition and conversion shows that intercrops are mainly improving acquisition rather than conversion efficiency. We also make an attempt to quantify the importance of reduced biotic stresses through pests, diseases, and weeds. We particularly focus on blank spots in the knowledge and possible bias in existing literature and ask which research approaches are needed to advance the field and pave the way for a wider usage of intercropping in modern sustainable agriculture.

Original languageEnglish
Pages (from-to)1-50
JournalAdvances in Agronomy
Volume160
DOIs
Publication statusPublished - 2020

Keywords

  • Biotic stresses
  • Cropping system design
  • Light
  • Nutrients
  • Product quality
  • Resource use efficiency
  • Water

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