
secondary
Shisham
Dalbergia sissoo
- punjab plains
- pothohar
Shisham (Dalbergia sissoo) is a fast-growing, nitrogen-fixing rosewood that gives a Punjab grower three returns from one tree: durable timber, leaf fodder, and a soil it quietly enriches as it grows. It is one of the most valuable timber legumes of the subcontinent, and on the right ground it puts on height quickly while feeding the system around it.1
Where it thrives
Shisham is at home across the Punjab plains and the Pothohar plateau, the riverine and canal-irrigated belts where it has long lined fields and roadsides. It suits a seasonal monsoon climate with a dry season of up to six months and naturally favours light, well-drained soils near water, sending down a long taproot from an early age plus a spreading mat of lateral roots.2 That deep rooting makes it drought-resilient once established while letting it draw on moisture other crops cannot reach.
Role in the system
In a syntropic design shisham is a secondary-stratum support tree — faster and shorter-lived than the climax canopy, planted to do work while the slow, high-value trees mature. As a legume it nodulates and fixes atmospheric nitrogen, and its heavy, fast-decomposing leaf fall enriches the soil with nitrogen, phosphorus and organic carbon, making it a genuine fertility engine for the trees beside it.2 Its deciduous habit and nitrogen-fixing roots make it a proven companion in wheat-based agroforestry and orchard intercropping, where it doubles as a windbreak.3 Treat it as a coppice and pollard species: cut for fodder and fuelwood, it regrows, and the prunings become chop-and-drop biomass for the understorey. It is the support layer that builds soil, throws shade and supplies timber, then is thinned out as the canopy closes.
Growing it
Plant on light, free-draining ground near reliable moisture; heavy waterlogged clay is the main thing to avoid. For a timber stand, spacing runs from about 1.8 × 1.8 m for dense early growth out to 4 × 4 m, with thinning roughly every ten years as the better stems are selected.2 Three decisions decide the outcome: matching it to a moist, well-drained site; protecting young saplings from browsing with a tree guard until they are above grazing height; and deciding early whether each tree is for timber (train a single straight leader) or for fodder and biomass (coppice it low and let it resprout). A pair of telescopic loppers handles the regular pollarding.
What you get
The headline is timber: dense, durable heartwood (specific gravity around 0.62–0.82) that resists termites and does not warp, used for furniture, veneer and plywood — a fast-growing tree can reach 15 m in about ten years.2 Alongside it you get leaf fodder cattle browse readily, at roughly 23% crude protein on a dry-matter basis, plus fuelwood from every pruning.1 The economic angle is the long game: a maturing timber crop that compounds in value while feeding livestock and soil along the way.
Sourcing notes
Plant shisham as the support backbone of a mature planting; our note on livestock in the mature canopy covers grazing the fodder it drops, and passing the farm on looks at timber trees as a multi-decade asset.
Sources
- Feedipedia (FAO-INRAE-CIRAD). “Sissoo (Dalbergia sissoo).” Feedipedia.
- World Agroforestry (ICRAF). “Dalbergia sissoo.” Agroforestry Tree Database.
- Singh et al. (2013). “Rapid multiplication of Dalbergia sissoo Roxb.: a timber yielding tree legume through axillary shoot proliferation and ex vitro rooting.” Physiology and Molecular Biology of Plants.