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Intercropping young oil palm (gestation years)

Intercropping young oil palm refers to the planting of vegetables, banana, pulses and short-cycle field crops in the inter-row of an oil palm block during the 3-4 year gestation period before the palm reaches commercial bearing. The practice generates cash flow that otherwise would not exist on the holding until the first oil palm harvest.

Principle

Oil palm takes 3 to 4 years from field planting to first commercial harvest of fresh fruit bunches. During this gestation phase the young palms occupy only a fraction of the canopy, leaving 60-70 percent of incident sunlight reaching the inter-row floor. Short-duration intercrops captured in this gap convert what would otherwise be idle land and time into a productive income stream without compromising main-crop establishment, provided water, light and root resources are not over-extracted as palm canopy closes.

Implementation

ICAR-IIOPR Pedavegi documents intercropping young oil palm with vegetables (chilli, brinjal, tomato, okra, onion, cluster bean, French bean), banana, pulses and cotton. The recommended layout maintains a 1-1.5 m unplanted buffer around each palm and confines intercrops to the inter-row strip. Drip irrigation can be shared between the palm and the intercrop with separate emitter lines. Intercrops should not compete for canopy or root resources once the palm crown closes around year 4-5.

Adoption context

The practice is integral to oil palm adoption in Andhra Pradesh, Telangana, Karnataka, Tamil Nadu, Kerala and the North-Eastern states promoted under the National Mission on Edible Oils-Oil Palm. Without gestation-period intercrop income, smallholders would face four cash-negative years that few can finance from other sources.

Limitations

Intercrop choices must not host root rot pathogens that subsequently infect oil palm. Heavy mechanical operations within the inter-row can damage young palm roots. The system becomes infeasible once palm canopy closes; growers must phase out intercropping by year 4-5. Water competition under marginal irrigation can slow palm establishment.

See also Areca Coconut Intercrop System, Legume Intercropping Orchards and Turmeric Ginger Papaya Maize Rotation.

References

  1. ICAR-IIOPR — Indian Institute of Oil Palm Research. Pedavegi.
  2. A Review on Possibilities of Intercropping with Immature Oil Palm. ResearchGate review article.