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Ultra-high-density mango planting (UHDP)

Ultra-high-density mango planting (UHDP) is an orchard system, pioneered in India by Jain Irrigation Systems Ltd, that uses very close spacings combined with strict annual pruning and drip fertigation to lift early productivity above conventional widely spaced mango orchards. UHDP can place around 674 plants per acre at a 3 x 2 m spacing, against around 100 trees per acre in a conventional 7.5 m planting.

Principle

Conventional mango orchards take 6-8 years to reach commercial yield and reach full yield only after a decade. UHDP brings the orchard into bearing earlier by maximising the number of small, controlled-canopy trees per unit area, supported by drip fertigation that delivers water and nutrients precisely to the root zone of each plant. Annual hedging and pruning maintain canopy size and prevent neighbouring trees from merging.

Implementation

Standard UHDP design features:

  • Spacing: 3 x 2 m (around 674 plants/acre); other variants use 4 x 2 m or 5 x 2 m.
  • Drip layout: emitters at 50-60 cm intervals along laterals; daily or alternate-day fertigation.
  • Canopy training: heading back at 1-1.5 m to establish a low scaffold (Mango Canopy Training Pruning).
  • Annual hedging of the upper canopy and lateral skirts to limit tree size.
  • Flowering management with KNO3 and paclobutrazol (Mango Flowering Management) to synchronise bloom.

Reported yields under UHDP reach 18-20 t/ha in profuse-fruiting cultivars such as Ratna and Totapuri (Mango Totapuri), against 3-4 t/ha at comparable age under conventional spacing.

Adoption context

UHDP is used commercially by Jain Irrigation's contract farmers in Maharashtra and elsewhere, and has been adapted for cultivars such as Alphonso (Mango Alphonso), Banganapalli (Mango Banganapalli Beneshan), Kesar (Mango Kesar), Dasheri (Mango Dasheri) and Himayat (Mango Himayat Himam Pasand). The system supplies bulk fresh fruit and feedstock for pulp and value-added products (Mango Value Addition Rolls Thandra).

Limitations

UHDP requires drip infrastructure, disciplined annual pruning and a higher per-acre capital outlay than conventional plantings. Pest pressure, especially powdery mildew and fruit fly (Fruit Fly Orchard Pest), can be higher in dense canopies, requiring tighter IPM.

See also: Mango Canopy Training Pruning, Mango Flowering Management, Mango Value Addition Rolls Thandra.

References

  1. Mango Ultra High Density Plantation. Jain Irrigation.
  2. High Density Planting in Mango. ISASAT.