करंज — India का biodiesel tree (MNRE approved)। Seeds: 30-40% pongamia oil। Karanjin = confirmed biopesticide। N-fixing: 60-100 kg FREE nitrogen/ha/year! Drought + waterlogging दोनों tolerant।
Indian Beech (Pongamia pinnata) — Karanj / Pongam / Millettia pinnata — is one of India's most versatile and economically promising trees, gaining global attention as a leading biodiesel feedstock tree. Called "India's biodiesel tree," Karanj seeds contain 30-40% oil (pongamia oil) that can be directly converted to biodiesel — it is India's primary non-edible oil tree approved under the National Mission on Biodiesel. The tree has been grown on millions of hectares across India for centuries — on farmlands, roadsides, degraded land, riverbanks — and is one of the most drought and waterlogging tolerant trees available. In Ayurveda, every part of Karanj has therapeutic application — the bark, leaves, seeds, flowers and root bark all have documented anti-fungal, anti-bacterial, anti-inflammatory and anti-parasitic properties. Karanjin and pongamol — the two primary alkaloids in Karanj oil — have confirmed anti-fungal, anti-parasitic, and insecticidal activity, making the oil an effective natural pesticide. Karanj is also a nitrogen-fixing legume — it actively improves soil quality wherever it grows, making it ideal for degraded land reclamation. The tree produces beautiful hanging clusters of pink-purple flowers that make it one of India's most ornamental utility trees.
Indian Beech (Pongamia pinnata) — करंज / पोंगम — India का "biodiesel tree।" Seeds में 30-40% pongamia oil — directly biodiesel में convert। National Mission on Biodiesel के तहत India का primary non-edible oil tree। Centuries से farmlands, roadsides, degraded land, riverbanks पर। Drought और waterlogging दोनों tolerant — rare combination। Ayurveda में हर part: bark, leaves, seeds, flowers, roots — anti-fungal, anti-bacterial, anti-inflammatory, anti-parasitic। Karanjin + pongamol — confirmed anti-fungal, anti-parasitic, insecticidal। N-fixing legume — degraded land reclamation। Pink-purple hanging flowers — ornamental utility tree।
🌳 Overview & Quick Facts / परिचय और मुख्य तथ्य
| 🔬 Scientific Name | Pongamia pinnata (syn. Millettia pinnata) — Family: Fabaceae (N-fixing legume) |
| 📏 Height / ऊंचाई | 8–15 metres | Spreading rounded canopy / फैला हुआ गोल canopy |
| ⏳ Lifespan / आयु | 100+ years | Productive for 50+ years / 50+ साल productive |
| 📈 Growth Rate / वृद्धि दर | Moderate-fast — 2–3 ft/year / मध्यम-तेज़ |
| 🌸 Flowers / फूल | March–May — pink-purple hanging clusters. Beautiful! / मार्च-मई — pink-purple लटकते clusters |
| 🌡️ Climate / जलवायु | Tropical — extremely adaptable. Drought AND waterlogging tolerant. Pan-India up to 1,200m. |
| ⚖️ Legal Status / कानूनी | Not protected. Freely cultivatable. Government ACTIVELY PROMOTES under biodiesel mission. No restrictions. |
| 💰 Seed Value / बीज मूल्य | Seeds: Rs.8–15/kg | Pongamia oil: Rs.35–60/litre | Biodiesel: Rs.55–80/litre | Seed cake: Rs.3-6/kg fertilizer |
🌿 Parts & Their Uses — हर अंग का उपयोग
Seeds & Oil / बीज और तेल (Primary Value)
Seeds: 30-40% pongamia oil (non-edible). Biodiesel: India's approved feedstock — MNRE promotes. Biopesticide: karanjin + pongamol — confirmed insecticidal, repels stored grain pests. Ayurvedic skin medicine: seed oil applied for skin diseases, eczema, psoriasis, ringworm. Market: seeds Rs.8-15/kg, oil Rs.35-60/litre.
Seeds: 30-40% pongamia oil (non-edible)। Biodiesel: India का approved feedstock — MNRE promotes। Biopesticide: karanjin + pongamol — confirmed insecticidal। Ayurvedic skin: seed oil — eczema, psoriasis, ringworm। Market: seeds Rs.8-15/kg, oil Rs.35-60/litre।
Seeds: 30-40% pongamia oil (non-edible)। Biodiesel: India का approved feedstock — MNRE promotes। Biopesticide: karanjin + pongamol — confirmed insecticidal। Ayurvedic skin: seed oil — eczema, psoriasis, ringworm। Market: seeds Rs.8-15/kg, oil Rs.35-60/litre।
Bark / छाल
Bark decoction: anti-inflammatory, anti-rheumatic, skin diseases. Bark paste applied to ulcers, wounds, tumours. Contains flavonoids, alkaloids with confirmed anti-microbial activity. Traditional: bark juice for gonorrhoea, urinary infections. MFP rate: Rs.10-18/kg dried bark.
Bark decoction: anti-inflammatory, anti-rheumatic, skin diseases। Bark paste: ulcers, wounds, tumours। Flavonoids, alkaloids — confirmed anti-microbial। Traditional: gonorrhoea, urinary infections। MFP: Rs.10-18/kg।
Bark decoction: anti-inflammatory, anti-rheumatic, skin diseases। Bark paste: ulcers, wounds, tumours। Flavonoids, alkaloids — confirmed anti-microbial। Traditional: gonorrhoea, urinary infections। MFP: Rs.10-18/kg।
Leaves / पत्ते
Young leaves: edible in some communities — cooked as vegetable. Leaf paste: applied to rheumatic joints, wounds, skin diseases. Leaf juice: anti-parasitic, anti-fungal. Excellent cattle fodder. Leaf litter: excellent green manure (N-fixing leaves decompose nitrogen-rich). Natural mulch.
Young leaves: कुछ communities में vegetable। Leaf paste: rheumatic joints, wounds। Leaf juice: anti-parasitic, anti-fungal। Excellent cattle fodder। Leaf litter: excellent green manure (N-fixing — nitrogen-rich decomposition)। Mulch।
Young leaves: कुछ communities में vegetable। Leaf paste: rheumatic joints, wounds। Leaf juice: anti-parasitic, anti-fungal। Excellent cattle fodder। Leaf litter: excellent green manure (N-fixing — nitrogen-rich decomposition)। Mulch।
Flowers / फूल
Pink-purple hanging clusters (March-May) — excellent honey source. Bees heavily attracted. Flower extract: anti-oxidant, mild anti-inflammatory. Flowers offered in puja. Important spring nectar when many trees finished. Karanj honey: distinctive floral flavor. Flowers used in traditional medicine for wound healing.
Pink-purple hanging clusters — excellent honey source। Bees heavily attracted। Flower extract: anti-oxidant, mild anti-inflammatory। Puja में। Karanj honey: distinctive। Wound healing में traditional।
Pink-purple hanging clusters — excellent honey source। Bees heavily attracted। Flower extract: anti-oxidant, mild anti-inflammatory। Puja में। Karanj honey: distinctive। Wound healing में traditional।
Roots & N-Fixation / जड़ें
N-fixing legume — root Rhizobium bacteria fix 60-100 kg N/ha/year. Root bark: anti-inflammatory, fever treatment in tribal medicine. Deep roots stabilize degraded and eroded land. Roots access deep groundwater. Leaf litter + N-fixation combination: transforms degraded wasteland into fertile soil in 5-8 years.
N-fixing legume — root Rhizobium 60-100 kg N/ha/year। Root bark: anti-inflammatory, fever। Deep roots: degraded land stabilize। Deep groundwater access। Leaf litter + N-fixation: degraded wasteland को 5-8 years में fertile soil।
N-fixing legume — root Rhizobium 60-100 kg N/ha/year। Root bark: anti-inflammatory, fever। Deep roots: degraded land stabilize। Deep groundwater access। Leaf litter + N-fixation: degraded wasteland को 5-8 years में fertile soil।
Wood & Seed Cake / लकड़ी और seed cake
Wood: moderate hardness, grey-brown. Agricultural implements, furniture, fuelwood. NOT premium commercial timber. Seed cake (after oil extraction): excellent organic fertilizer — nitrogen and phosphorus rich. Applied at 1-2 tonne/hectare replaces significant chemical fertilizer. Market: Rs.3-6/kg. Also used as fish feed in aquaculture.
लकड़ी: moderate hardness। Agricultural implements, furniture, fuelwood। Premium timber नहीं। Seed cake (oil extraction बाद): excellent organic fertilizer — N और P rich। 1-2 tonne/hectare — significant chemical fertilizer replace। Market: Rs.3-6/kg। Aquaculture fish feed।
लकड़ी: moderate hardness। Agricultural implements, furniture, fuelwood। Premium timber नहीं। Seed cake (oil extraction बाद): excellent organic fertilizer — N और P rich। 1-2 tonne/hectare — significant chemical fertilizer replace। Market: Rs.3-6/kg। Aquaculture fish feed।
🌍 Biodiesel & Biopesticide / Biodiesel और Biopesticide
⚡ Key Facts / मुख्य तथ्य
⛽ Biodiesel
India's approved biodiesel feedstock — MNRE National Mission. 30-40% seed oil.
India का approved biodiesel feedstock — MNRE National Mission। 30-40% seed oil।
🐛 Biopesticide
Karanjin + pongamol — confirmed insecticidal, grain pest repellent. Organic farming approved.
Karanjin + pongamol — confirmed insecticidal। Organic farming approved।
🌿 N-Fixing
60-100 kg N/ha/year — highest N-fixing among Indian agroforestry trees.
60-100 kg N/ha/year — Indian agroforestry trees में highest N-fixing।
💪 Dual Tolerant
Both drought AND waterlogging tolerant — grows where most trees fail.
Drought AND waterlogging दोनों tolerant — most trees fail वहां grows।
🏜️ Wasteland
Reclaims degraded wasteland. Government promotes on degraded land under multiple schemes.
Degraded wasteland reclaim। Government multiple schemes में promote।
🧴 Skin Medicine
Pongamia oil: eczema, psoriasis, ringworm — traditional + research confirmed.
Pongamia oil: eczema, psoriasis, ringworm — traditional + research confirmed।
🌱 Growing Guide / करंज कैसे उगाएं
| Parameter | English | Hindi / हिंदी |
|---|---|---|
| 🌱 Propagation | Seeds from ripe pods (May-June). Remove pod, sow seed directly. Germination 10-15 days. Easy — 90%+ success. | Ripe pods (May-June) से बीज। Pod हटाएं, directly sow। 10-15 दिन germination। Easy — 90%+ success। |
| 🪴 Soil | Any soil — sandy to waterlogged clay. pH 5.0–9.0. Extreme adaptability. Grows on degraded, saline, alkaline soils. | Any soil। pH 5.0-9.0। Extreme adaptability। Degraded, saline, alkaline soils पर। |
| 📅 Best Time | Monsoon June-July. Establishes fast even on degraded land. | Monsoon June-July। Degraded land पर भी fast establish। |
| 📏 Spacing | Biodiesel plantation: 5×5m (400 trees/ha). Agroforestry: 8-10m rows with crops between. | Biodiesel: 5×5m (400 trees/ha)। Agroforestry: 8-10m rows, crops बीच में। |
| 🌸 First Seeds | Year 4-5 from seed. Full production Year 8-10: 20-50 kg seeds/tree/year. | Seed से Year 4-5 में। Full production Year 8-10: 20-50 kg seeds/tree/year। |
| 💰 Income | 400 trees × 30 kg seeds × Rs.10 = Rs.1,20,000/ha seeds. Plus honey, N-fixation, biopesticide value. | 400 trees × 30 kg × Rs.10 = Rs.1,20,000/ha seeds। Plus honey, N-fixation, biopesticide value। |
💰 Market Value & Legal Status / बाज़ार मूल्य और कानूनी स्थिति
| Product / उत्पाद | Value / मूल्य | Legal / कानूनी |
|---|---|---|
| 🌱 Seeds / बीज | Rs.8–15/kg | MSP in some states / कुछ states में MSP | Freely traded. Govt procurement centers in biodiesel mission states. |
| 🫙 Pongamia Oil | Rs.35–60/litre | Biodiesel: Rs.55-80/litre | MNRE biodiesel approved. Freely traded. |
| 🌿 Seed Cake | Rs.3–6/kg organic fertilizer / organic fertilizer | Freely traded / freely |
| 🍯 Honey | Rs.300–500/kg Karanj honey / Karanj honey | Freely traded / freely |
❓ Frequently Asked Questions / अक्सर पूछे जाने वाले सवाल
Pongamia biodiesel process: Collect seeds → extract oil by cold press or expeller → transesterification (oil + methanol + NaOH catalyst) → biodiesel + glycerol by-product. 1 kg seeds → 300-400ml oil → 280-380ml biodiesel. Properties match diesel — can use in unmodified engines. Government: MNRE promotes, Indian Oil Corporation procures. Income: seeds Rs.8-15/kg, oil Rs.35-60/litre. Seed cake Rs.3-6/kg fertilizer by-product.
Seeds collect → cold press oil extract → transesterification (oil + methanol + NaOH) → biodiesel + glycerol। 1 kg seeds → 300-400ml oil → biodiesel। Unmodified engines में। MNRE promotes, IOC procures। Seeds Rs.8-15/kg, oil Rs.35-60/litre, seed cake Rs.3-6/kg।
Seeds collect → cold press oil extract → transesterification (oil + methanol + NaOH) → biodiesel + glycerol। 1 kg seeds → 300-400ml oil → biodiesel। Unmodified engines में। MNRE promotes, IOC procures। Seeds Rs.8-15/kg, oil Rs.35-60/litre, seed cake Rs.3-6/kg।
Pongamia oil for skin: Active — karanjin + pongamol (alkaloids) confirmed anti-fungal, anti-parasitic. Uses: ringworm (apply twice daily, 3-4 weeks), eczema (mix with coconut oil 1:3, apply daily), psoriasis (mix with neem oil 1:1), mange in cattle (external). Strong smell — mix with carrier oil for cosmetic use. Never take internally — non-edible oil. Wash hands after application.
Pongamia oil skin: karanjin + pongamol — confirmed anti-fungal। Uses: ringworm (twice daily, 3-4 weeks), eczema (coconut oil 1:3, daily), psoriasis (neem oil 1:1), cattle mange। Strong smell — carrier oil के साथ mix। Internal नहीं — non-edible। हाथ धोएं।
Pongamia oil skin: karanjin + pongamol — confirmed anti-fungal। Uses: ringworm (twice daily, 3-4 weeks), eczema (coconut oil 1:3, daily), psoriasis (neem oil 1:1), cattle mange। Strong smell — carrier oil के साथ mix। Internal नहीं — non-edible। हाथ धोएं।
Karanj for wasteland: N-fixing legume — root bacteria fix 60-100 kg N/ha/year. Dual tolerant (drought + waterlogging). Deep roots break compacted soils. Leaf litter (N-rich) improves organic matter. Process: plant at 5×5m on degraded land, monsoon, minimal input. Year 3: N-fixation measurable. Year 5: soil carbon and fertility improved. Year 5-8: seed income starts Rs.80,000-1,20,000/ha. MNRE scheme: subsidized seedlings on wastelands. State wasteland development boards: Karanj promoted.
Karanj wasteland: N-fixing (60-100 kg N/ha/yr)। Dual tolerant। Deep roots compacted soil break। N-rich leaf litter: organic matter improve। Process: 5×5m, monsoon, minimal input। Year 3: N-fixation measurable। Year 5: soil improved। Year 5-8: seed income Rs.80,000-1,20,000/ha। MNRE: subsidized seedlings। State wasteland boards: Karanj promoted।
Karanj wasteland: N-fixing (60-100 kg N/ha/yr)। Dual tolerant। Deep roots compacted soil break। N-rich leaf litter: organic matter improve। Process: 5×5m, monsoon, minimal input। Year 3: N-fixation measurable। Year 5: soil improved। Year 5-8: seed income Rs.80,000-1,20,000/ha। MNRE: subsidized seedlings। State wasteland boards: Karanj promoted।
Karanj biopesticide preparation: (1) Seed oil spray: dilute pongamia oil 2-3% in water with emulsifier (soap nut liquid). Spray on crops for aphids, mites, whitefly — karanjin disrupts insect nervous system. (2) Seed powder: grind dried seeds, mix in soil around plants — repels soil insects. (3) Stored grain protection: mix 10g seed powder per kg grain — repels weevils, grain borers for 3-6 months. Organic farming approved — no residue concern. Available commercially as "Karanj Khali" or "Pongamia cake." Rs.3-6/kg.
Karanj biopesticide: (1) Seed oil spray: pongamia oil 2-3% + water + soap nut emulsifier। Aphids, mites, whitefly पर। (2) Seed powder: dried seeds grind, plants के आसपास soil में — soil insects repel। (3) Stored grain: 10g powder/kg grain — weevils, grain borers 3-6 months। Organic farming approved। "Karanj Khali" commercially available। Rs.3-6/kg।
Karanj biopesticide: (1) Seed oil spray: pongamia oil 2-3% + water + soap nut emulsifier। Aphids, mites, whitefly पर। (2) Seed powder: dried seeds grind, plants के आसपास soil में — soil insects repel। (3) Stored grain: 10g powder/kg grain — weevils, grain borers 3-6 months। Organic farming approved। "Karanj Khali" commercially available। Rs.3-6/kg।
Karanj income model (1 hectare, 400 trees): Investment: seedlings Rs.6,000 + planting Rs.10,000 + 8-year maintenance Rs.30,000 = Rs.46,000 total. Year 8-10 income: 400 trees × 30 kg seeds × Rs.10 = Rs.1,20,000/year seeds. Oil processing adds Rs.30,000-50,000. Seed cake fertilizer Rs.20,000. Honey: Rs.15,000-25,000. Annual total: Rs.1,80,000-2,15,000/year from Year 10. Return: 4-5x investment per year at maturity. MNRE subsidy: up to 50% cost on degraded land. State schemes: Karnataka, AP, TN, MP, Gujarat promote Karanj on wasteland with free seedlings.
Karanj income (1 hectare, 400 trees): Investment: ~Rs.46,000 total। Year 8-10: Seeds Rs.1,20,000 + oil processing Rs.30,000-50,000 + seed cake Rs.20,000 + honey Rs.15,000-25,000 = Rs.1,80,000-2,15,000/year। Return: Year 10 पर 4-5x investment/year। MNRE subsidy: degraded land पर 50% cost। State schemes: Karnataka, AP, TN, MP, Gujarat — free seedlings।
Karanj income (1 hectare, 400 trees): Investment: ~Rs.46,000 total। Year 8-10: Seeds Rs.1,20,000 + oil processing Rs.30,000-50,000 + seed cake Rs.20,000 + honey Rs.15,000-25,000 = Rs.1,80,000-2,15,000/year। Return: Year 10 पर 4-5x investment/year। MNRE subsidy: degraded land पर 50% cost। State schemes: Karnataka, AP, TN, MP, Gujarat — free seedlings।