Groundnut

Peanut (Arachis hypogaea), called moongphali across Pakistan, is the country’s most important kharif oilseed legume after cotton and the cash crop that built much of the Pothohar economy.¹ POWO records it as a cultigen out of Bolivia,¹ now grown across the tropics and warm subtropics. For a food-forest grower on sandy ground in the Punjab or northern Sindh, it is the obvious summer nitrogen-fixer that also pays a kitchen and an oil-mill dividend.

Where it thrives

Feedipedia frames peanut as a warm-season crop fitting a 75 to 150 day growing window with 300 to 1200 mm of seasonal rainfall.² NC State Extension records it as thriving in full sun on well-composted, light-textured sandy loams with good drainage, intolerant of frost, and best suited to long warm summers — a fit description of the Pothohar plateau districts of Chakwal, Attock and Jhelum that grow most of Pakistan’s crop.³ The crop will not tolerate heavy clay or sustained waterlogging at pegging; that geocarpic step, where the fertilised flower stalk pushes down and the pod develops underground, demands a friable surface soil it can penetrate.³

Role in the system

Peanut sits in the groundcover stratum as a summer pioneer with a dual job: fertility and food. Like most legumes it nodulates with native rhizobia of the cowpea cross-inoculation group and lifts soil nitrogen for the cereal that follows.² In a young food-forest guild on sandy Pothohar soil, plant it under widely spaced ber, jujube or pomegranate trees during their summer flush; the low bushy habit fills the bed without competing for light, and the deep taproot does not fight the tree’s shallow feeders. The shells and haulms are valuable mulch and fodder, so the rotation gives back more than it takes if residue is returned.

Growing it

Direct-sow shelled, untreated seed five centimetres deep into a warm, friable bed once soil reaches 18 to 20 degrees — across most of Pakistan that means April on the Punjab plains or May on the Pothohar.³ Space rows 45 to 60 cm apart with plants 10 to 15 cm in the row.³ Use a Pakistani-released cultivar — BARI-2000, BARI-2011, Golden, or the older Pothohar lines — rather than market seed that will be too long-season for many sites. Inoculate if the field has not carried legumes recently. Keep the soil weed-free through pegging at 50 to 60 days, then leave it alone; cultivation after this point breaks developing pods. Water steadily through flowering and pod-fill but pull back the last three weeks before harvest to let the shells cure. Lift the whole plant at 120 to 150 days when leaves yellow and inner shell veining darkens.³

What you get

Smallholder yields run near 700 kg/ha while well-managed irrigated plots reach 2 to 4 t/ha.² The kernel is 45 to 50 percent oil and 26 to 34 percent protein, with a fatty-acid profile dominated by oleic and linoleic acid.² Functional-food reviews link regular peanut consumption to lower LDL cholesterol, reduced cardiovascular disease risk, and better satiety, attributed to its monounsaturated fats plus phenolics, resveratrol and phytosterols.⁴ Roasted kernels, peanut oil, peanut chikki and peanut chutney are all everyday Pakistani products; the haulms are top-grade winter fodder.

Sourcing notes

Buy certified BARI or Golden seed from a Punjab or Pothohar agricultural cooperative — saved seed loses germination quickly and carries aflatoxin-producing Aspergillus from poorly cured pods. Dry the harvest fast and store below 9 percent moisture; aflatoxin contamination is the single largest market loss for Pakistani peanut. Good companions are pearl millet or sorghum on adjacent strips, and a brassica winter cover crop in the same bed.

Sources

1. Royal Botanic Gardens, Kew (2024). “Arachis hypogaea L.” Plants of the World Online.
2. Heuzé, V. et al. (2017). “Peanut seeds.” Feedipedia, INRAE-CIRAD-AFZ-FAO.
3. NC State Extension (2024). “Arachis hypogaea (Peanut, Groundnut).” North Carolina Extension Gardener Plant Toolbox.
4. Arya, S.S., Salve, A.R. & Chauhan, S. (2016). “Peanuts as functional food: a review.” Journal of Food Science and Technology.