Pigeon Pea
Cajanus cajan
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Description
Pigeon pea (Cajanus cajan) is a perennial legume from the family Fabaceae, native to the Indian subcontinent and now widely cultivated in tropical and subtropical regions. In agroecology and regenerative agriculture, it serves as a multifunctional plant. As a nitrogen-fixing shrub, it enhances soil fertility, making it an excellent companion plant in guilds with maize, sorghum, and other crops. Pigeon pea can grow up to 4 meters in height and is drought-tolerant, thriving in arid and semi-arid regions. It is often used in intercropping systems to provide shade, reduce wind erosion, and contribute organic matter to the soil. Historically, pigeon pea has been a staple in traditional diets and is valued for its high protein content. In food forests, it functions as a support species, offering habitat for beneficial insects and birds. It is particularly effective in stabilizing soil and improving its structure due to its deep root system. Guild companions include maize, millet, and cassava, which benefit from its nitrogen-fixing ability and shade.
Growing Details
Pigeon pea thrives in well-drained soils and can tolerate poor soil conditions due to its nitrogen-fixing ability. Before planting, prepare the soil by incorporating organic matter such as compost to enhance fertility. Mulching around the base of the plants helps retain moisture and suppress weeds. Seeds should be sown directly into the soil after the last frost, or started indoors and transplanted when the soil warms. Regular pruning encourages bushier growth and higher yields. Companion planti
Edible Parts
Leaves
Seed
Seed Pod
Tags
Nitrogen Fixing
Hedge
Carbon Farming
Attracts Wildlife
Fire Wood
Windbreak
Erosion Preventing
Hay
Bee Friendly
Visual Appeal
Easy Propagating
High Protein
Range (Based on GBIF Data)
The map shows known occurrence points of <strong>Cajanus cajan</strong> recorded in scientific biodiversity databases.
Source: <a href="https://www.gbif.org" target="_blank">GBIF.org</a> โ Global Biodiversity Information Facility
Location & Timing
native geo location: Native to the Indian subcontinent, now widely
applicable geo region: Tropical and subtropical regions
language used: en
Flowering:
beginning
of September for 90 days
Harvest:
middle
of September for 60 days
Seed Start:
beginning
of March
Indoor Start:
beginning
of March
Transplant:
beginning
of May
Uses & Benefits
Edible Rating:
(4/5)
edible uses: The seeds of pigeon pea are a staple food in many parts of the world, rich in protein and essential amino acids. They can be consumed fresh as green peas or dried for use in soups, stews, and curries. The young pods and leaves are also edible and can be cooked as vegetables. The seeds are typically harvested when mature and dried for storage, ensuring a long shelf life. Caution is advised as raw seeds contain anti-nutritional factors that are reduced by cooking. The leaves can be used in salads
Medicinal Rating:
(2/5)
medicinal uses: Pigeon pea has been used in traditional medicine for its anti-inflammatory and diuretic properties. The leaves and seeds are sometimes used in remedies for coughs, bronchitis, and other respiratory ailments. However, these uses should be approached with caution and under the guidance of a qualified healthcare professional. The plant is also noted for its potential in managing diabetes and lowering cholesterol levels. The leaves can be used in poultices for wound healing.
health concerns: Raw seeds contain anti-nutritional factors and should be cooked before consumption.
other uses: Pigeon pea is used as a green manure and cover crop to improve soil fertility. It serves as fodder for livestock and can be used as firewood. Its deep root system helps in preventing soil erosion and improving soil structure. The plant can also be used in alley cropping systems to enhance biodiversity and soil health.
Scientific Literature
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Botanical data
specie: Cajanus cajan
common names: Pigeon Pea; Red Gram; Congo Pea
family: Fabaceae
sub family: Faboideae
tribe: Phaseoleae
sub tribe:
genus: Cajanus
Growing Conditions
area needed: 1.0 m
spacing: 1.0 m
growing difficulty: Low
Deciduous / Evergreen: Evergreen
Seed Temp (Opt/Min/Max): 25ยฐC / 18ยฐC / 30ยฐC
Plant Temp (Opt/Min/Max): 25ยฐC / 15ยฐC / 35ยฐC
water demands: Medium
humidity:
light demands: High
root type: Deep
frost tender: High
hardness:
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(10/10)
first harvest: 1 years
life span: 5 years
succession: Pioneer
growth rate: Fast
max height: 4.0 m
max width: 2.0 m
soil preference:
Medium (Loam)
pH preference:
Neutral
flower type:
Hermaphrodite
growth details: Pigeon pea thrives in well-drained soils and can tolerate poor soil conditions due to its nitrogen-fixing ability. Before planting, prepare the soil by incorporating organic matter such as compost to enhance fertility. Mulching around the base of the plants helps retain moisture and suppress weeds. Seeds should be sown directly into the soil after the last frost, or started indoors and transplanted when the soil warms. Regular pruning encourages bushier growth and higher yields. Companion planti
Potential Disturbances: Common challenges include aphids, pod borers, and root-knot nematodes. Natural management strategies include encouraging beneficial insects such as ladybugs and lacewings, using neem oil sprays, and practicing crop rotation to disrupt life cycles. Planting marigolds nearby can help repel nematodes.
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