Abstract
Abstract Intercropping is an ancient agricultural practice in which two or more crops are grown in the same field in space and/or time. Evidence shows intercropping can increase whole‑system yields per unit land (often expressed as land‑equivalent ratio), improve resource capture (light, water, and nutrients), and enhance agroecosystem functions, but outcomes are strongly context‑dependent. In many smallholder, low‑input systems (which dominate the available literature, particularly across Asia and Africa), diverse canopies and rooting patterns buffer against climatic and market shocks. Furthermore, integrating legumes improves nitrogen use efficiency through biological nitrogen N fixation. However, intercropping does not guarantee higher yields for all crops. Certain combinations and environments may lead to lower yields, increased labor demands, greater management complexity, and in dense canopies potentially higher disease pressure. This review explores the benefits and trade‐offs of intercropping as a sustainable agricultural practice, contrasting it with traditional monoculture systems as a growing pathway to scaling diversification. The review concludes that intercropping is a viable tool for sustainable intensification. However, success depends on matching designs to local biophysical and socioeconomic conditions, alongside supporting mechanization, markets, extension, and enabling policy.
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Claims 9
Claim · model-written summary
Intercropping can increase whole-system yields per land area.
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Verbatim
e0“intercropping can increase whole‑system yields per unit land”
Claim · model-written summary
Intercropping can improve resource capture of light, water and nutrients.
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Verbatim
e0“improve resource capture (light, water, and nutrients)”
Claim · model-written summary
Intercropping can enhance agroecosystem functions, with context-dependent outcomes.
Not reportedTaxon
Verbatim
e0“enhance agroecosystem functions, but outcomes are strongly context‑dependent.”
Claim · model-written summary
Diverse canopy and rooting patterns buffer climatic and market shocks in many smallholder systems.
- Taxon
- cropse1
- Organ / stage
- canopies and rooting patternse0
- Outcome
- buffer against climatic and market shockse0
Not reportedDirection
Verbatim
e0“In many smallholder, low‑input systems (which dominate the available literature, particularly across Asia and Africa), diverse canopies and rooting patterns buffer against climatic and market shocks.”
e1“two or more crops are grown in the same field”
Claim · model-written summary
Integrating legumes improves nitrogen use efficiency through biological nitrogen fixation.
Verbatim
e0“integrating legumes improves nitrogen use efficiency through biological nitrogen N fixation.”
Claim · model-written summary
Some intercrop combinations or environments may lower crop yields.
Not reportedTaxon
Verbatim
e0“Certain combinations and environments may lead to lower yields”
Claim · model-written summary
Some intercropping systems may increase labor demands and management complexity.
Not reportedTaxon
Verbatim
e0“increased labor demands, greater management complexity”
Claim · model-written summary
Dense intercrop canopies may raise disease pressure.
Not reportedTaxon
Verbatim
e0“in dense canopies potentially higher disease pressure”
Claim · model-written summary
The review concludes that intercropping is viable for sustainable intensification when design matches local conditions and receives institutional support.
Verbatim
e0“intercropping is a viable tool for sustainable intensification. However, success depends on matching designs to local biophysical and socioeconomic conditions, alongside supporting mechanization, markets, extension, and enabling policy.”
e1“two or more crops are grown in the same field”