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Description
Pueraria javanica (PJ) Cover Crop SeedsPueraria javanica (PJ), also called tropical kudzu (Pueraria phaseoloides), is a fast growing tropical legume cover crop for rubber, coconut and oil palm. It fixes up to 250 kg N ha year (85 to 93% drawn from the air), forms rapid ground cover, and cut runoff 88% and soil loss 98% versus bare soil in replanted rubber. Chemiseed Sdn. Bhd. supplies PJ seed, tested to ISTA and AOSA methods, for Malaysia, Indonesia and export. PLANT CHARACTER Fast
PLANT CHARACTER
Fast-growing, trailing to twining annual/short-lived perennial legume. Forms a dense, self-regenerating ground cover under plantation canopies. Deep root system contributes to subsoil moisture access and nutrient cycling.
USES
Nitrogen fixation, erosion control, soil moisture retention, potassium cycling, weed suppression, and cover crop for replanting phases. In immature rubber, field research confirms Pueraria javanica can fix up to 250 kg of nitrogen per hectare per year, with 85-93% of that nitrogen drawn directly from the atmosphere at full ground cover. In replanted rubber, a legume cover including Pueraria reduced runoff by 88% and soil loss by 98% versus bare soil (Perron et al., 2024). For optimal germination results, pair with Seed Activator during planting. See also: PJ vs MB Comparison.
GROWTH HABIT
Vigorous establishment under full sun and moderate shade. Produces 14,347 kg of fresh biomass per hectare at 150 days in Philippine plantation trials. Biomass decomposes at 95.66% within 3 months, releasing 3.572% N, 0.245% P, and 0.809% K directly into the root zone.
COCONUT & MULTI-CROP USE
Established as a basin legume in coconut, Pueraria javanica contributes 28.45 kg of biomass and 196.2 g of nitrogen per basin, and can substitute up to 30% of nitrogen fertiliser requirements (Indian Coconut Journal, 2022).
PLANTING TYPE & SEEDING RATE
Pure stand: 4-6 kg/ha; in a legume mixture: 2-4 kg/ha
PLANTING METHOD
Direct sowing, broadcast or rows
DRY MATTER PRODUCTION
8-12 t/ha/year
NO. OF SEEDS/KG
~55,000 seeds
SUPPLIED BY CHEMISEED SDN. BHD.
Pueraria javanica seeds are supplied by Chemiseed Sdn. Bhd., a Malaysian tropical agriculture company specializing in cover crop seeds, soil conditioners, and plantation inputs. Chemiseed is a trusted supplier of leguminous cover crop seeds across the tropics.
GLOBAL AVAILABILITY: TROPICAL REGIONS WORLDWIDE
Chemiseed Sdn. Bhd. exports Pueraria javanica seeds to plantations, agricultural cooperatives, government agencies, and distributors across Southeast Asia (Malaysia, Indonesia, Thailand, Vietnam, Myanmar, Cambodia, Philippines), Latin America (Brazil, Colombia, Ecuador, Costa Rica, Guatemala, Honduras, Peru), Sub-Saharan Africa (Ghana, Nigeria, Cameroon, Ivory Coast, Tanzania, Kenya, Mozambique, Uganda), South Asia (India, Sri Lanka, Bangladesh), and Oceania (Papua New Guinea, Solomon Islands, Fiji). All seed shipments comply with international phytosanitary certification and trade compliance standards. Contact Chemiseed Sdn. Bhd. for bulk seed supply, distributor partnerships, and international delivery.
Related Resources
- Cover Crop Comparison: PJ, CM, CP, MB
- PJ vs MB Detailed Comparison
- Complete Guide to Pueraria javanica
- Best Cover Crop for Oil Palm
- Best Cover Crop for Rubber
- Cover Crop Calculator
- Frequently Asked Questions
- Seed Activator, Boost Germination
By the numbers
Data from peer-reviewed trials across Malaysia, Indonesia, and the Philippines (rubber, coconut, and replanting systems).
All statistics from peer-reviewed or institutional research. Seeds supplied by Chemiseed Sdn. Bhd., available for export worldwide. View Perron et al. 2024 erosion study
Related Articles
Read more from the Chemiseed agronomic knowledge base:
- EUDR Is Delayed. Your Traceability Obligations Are Not.
- RM14,000 Per Hectare for Replanting. Here Is Who Qualifies and How to Apply.
- Indonesia's B40 Mandate Has Pulled 2 Million Tonnes of Palm Oil Off the Market.
- Conventional Urea Loses a Large Proportion of Its Nitrogen Before Rubber Trees Can Use It.
How to Order
Small quantities / Retail: For single packs and smaller quantities, shop our retail stores on Shopee and TikTok Shop.
Bulk / Estate: For plantation-scale orders (100 kg+), request a bulk quote with volume discounts.
Export / International: We ship globally. Contact us for CIF/FOB pricing and export documentation.
Marketplace: Retail packs available on Shopee Malaysia and TikTok Shop.
Plan with our free calculators
Estimate the nitrogen this cover crop can contribute with the Nitrogen Fixation Calculator, model erosion control with the Soil Erosion Calculator, or work out the seed quantity with the Cover Crop Calculator. Browse all our plantation tools.
Last reviewed June 2026 by Chemiseed Sdn. Bhd.
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