{"product_id":"pueraria-javanica-pj","title":"Pueraria javanica (PJ) Cover Crop Seeds","description":"\u003cdiv style=\"background:#f6fbf7;border-left:4px solid #2a7d3f;padding:14px 18px;margin:0 0 20px;border-radius:0 8px 8px 0;font-size:1.02rem;line-height:1.6;color:#14361f;\"\u003e\n\u003cstrong\u003ePueraria javanica (PJ)\u003c\/strong\u003e, 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.\n\u003c\/div\u003e\n\n\u003cp\u003e\u003cstrong\u003ePLANT CHARACTER\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFast-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.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUSES\u003c\/strong\u003e\u003cbr\u003e\nNitrogen fixation, erosion control, soil moisture retention, potassium cycling, weed suppression, and cover crop for replanting phases. In immature rubber, field research confirms \u003cem\u003ePueraria javanica\u003c\/em\u003e can fix up to \u003cstrong\u003e250 kg of nitrogen per hectare per year\u003c\/strong\u003e, with 85-93% of that nitrogen drawn directly from the atmosphere at full ground cover. In replanted rubber, a legume cover including \u003cem\u003ePueraria\u003c\/em\u003e reduced runoff by \u003cstrong\u003e88% and soil loss by 98%\u003c\/strong\u003e versus bare soil (Perron et al., 2024). For optimal germination results, pair with \u003ca href=\"\/en-id\/products\/seed-activator\"\u003eSeed Activator\u003c\/a\u003e during planting. See also: \u003ca href=\"\/en-id\/pages\/pueraria-javanica-vs-mucuna-bracteata-comparison\"\u003ePJ vs MB Comparison\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGROWTH HABIT\u003c\/strong\u003e\u003cbr\u003e\nVigorous establishment under full sun and moderate shade. Produces \u003cstrong\u003e14,347 kg of fresh biomass per hectare at 150 days\u003c\/strong\u003e 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.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOCONUT \u0026amp; MULTI-CROP USE\u003c\/strong\u003e\u003cbr\u003e\nEstablished as a basin legume in coconut, \u003cem\u003ePueraria javanica\u003c\/em\u003e 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).\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePLANTING TYPE \u0026amp; SEEDING RATE\u003c\/strong\u003e\u003cbr\u003e\nPure stand: 4-6 kg\/ha; in a legume mixture: 2-4 kg\/ha\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePLANTING METHOD\u003c\/strong\u003e\u003cbr\u003e\nDirect sowing, broadcast or rows\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDRY MATTER PRODUCTION\u003c\/strong\u003e\u003cbr\u003e\n8-12 t\/ha\/year\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNO. OF SEEDS\/KG\u003c\/strong\u003e\u003cbr\u003e\n~55,000 seeds\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSUPPLIED BY CHEMISEED SDN. BHD.\u003c\/strong\u003e\u003cbr\u003e\nPueraria 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.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGLOBAL AVAILABILITY: TROPICAL REGIONS WORLDWIDE\u003c\/strong\u003e\u003cbr\u003e\nChemiseed 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.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/en-id\/pages\/cover-crop-comparison-pj-cm-cp-mb\"\u003eCover Crop Comparison: PJ, CM, CP, MB\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-id\/pages\/pueraria-javanica-vs-mucuna-bracteata-comparison\"\u003ePJ vs MB Detailed Comparison\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-id\/pages\/pueraria-javanica-tropical-plantations-guide\"\u003eComplete Guide to Pueraria javanica\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-id\/pages\/best-cover-crop-for-oil-palm\"\u003eBest Cover Crop for Oil Palm\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-id\/pages\/best-cover-crop-for-rubber\"\u003eBest Cover Crop for Rubber\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-id\/pages\/advanced-cover-crop-calculator\"\u003eCover Crop Calculator\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-id\/pages\/comprehensive-faq-about-chemiseed-cover-crops-growth-soil-sustainability-more\"\u003eFrequently Asked Questions\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/en-id\/products\/seed-activator\"\u003eSeed Activator, Boost Germination\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"crs-divider\"\u003eResearch-backed performance\u003c\/div\u003e\n\n\u003csection class=\"crs-wrap\" aria-label=\"Research statistics for Pueraria javanica Seeds\"\u003e\n    \u003cdiv class=\"crs-header\"\u003e\n    \u003cdiv class=\"crs-badge\"\u003e\n      \u003csvg viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M9 3h6l1 8H8z\"\u003e\u003c\/path\u003e\u003cpath d=\"M8 11l-4 9h16l-4-9\"\u003e\u003c\/path\u003e\u003cline x1=\"12\" y1=\"3\" x2=\"12\" y2=\"11\"\u003e\u003c\/line\u003e\u003c\/svg\u003e\n      Peer-reviewed evidence\n    \u003c\/div\u003e\n    \u003ch3 class=\"crs-title\"\u003eBy the numbers\u003c\/h3\u003e\n    \u003cp class=\"crs-sub\"\u003eData from peer-reviewed trials across Malaysia, Indonesia, and the Philippines (rubber, coconut, and replanting systems).\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"crs-grid\" role=\"list\"\u003e\n  \u003cdiv class=\"crs-card\"\u003e\n    \u003csvg class=\"crs-icon\" viewbox=\"0 0 24 24\"\u003e\u003ccircle cx=\"12\" cy=\"12\" r=\"1\"\u003e\u003c\/circle\u003e\u003cpath d=\"M20.2 20.2c2.04-2.03.02-7.36-4.5-11.9-4.54-4.52-9.87-6.54-11.9-4.5-2.04 2.03-.02 7.36 4.5 11.9 4.54 4.52 9.87 6.54 11.9 4.5z\"\u003e\u003c\/path\u003e\u003cpath d=\"M15.7 15.7c4.52-4.54 6.54-9.87 4.5-11.9-2.03-2.04-7.36-.02-11.9 4.5-4.52 4.54-6.54 9.87-4.5 11.9 2.03 2.04 7.36.02 11.9-4.5z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n    \u003cdiv class=\"crs-num crs-num--sm\"\u003eup to 250\u003c\/div\u003e\n    \u003cdiv class=\"crs-tag\"\u003ekg N fixed per hectare per year\u003c\/div\u003e\n    \u003cdiv class=\"crs-ctx\"\u003eUpper-range biological nitrogen fixation at full ground cover, immature rubber, Southeast Asia.\u003c\/div\u003e\n    \u003ca class=\"crs-cite\" href=\"https:\/\/hal.science\/hal-02011385\/file\/2019_Vrignon_Agr_Sustainable_Dev.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eVrignon-Brenas et al. 2019, Sustainable Dev. Review (HAL Science)\u003c\/a\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"crs-card\"\u003e\n    \u003csvg class=\"crs-icon\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M11 20A7 7 0 0 1 9.8 6.1C15.5 5 17 4.48 19 2c1 2 2 4.18 2 8 0 5.5-4.78 10-10 10z\"\u003e\u003c\/path\u003e\u003cpath d=\"M2 21c0-3 1.85-5.36 5.08-6C9.5 14.52 12 13 13 12\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n    \u003cdiv class=\"crs-num crs-num--sm\"\u003e85-93%\u003c\/div\u003e\n    \u003cdiv class=\"crs-tag\"\u003eNitrogen from the atmosphere\u003c\/div\u003e\n    \u003cdiv class=\"crs-ctx\"\u003ePercentage of Pueraria's own nitrogen derived from atmospheric fixation (immature rubber trials).\u003c\/div\u003e\n    \u003ca class=\"crs-cite\" href=\"https:\/\/hal.science\/hal-02011385\/file\/2019_Vrignon_Agr_Sustainable_Dev.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eVrignon-Brenas et al. 2019, Sustainable Dev. Review\u003c\/a\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"crs-card\"\u003e\n    \u003csvg class=\"crs-icon\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M9.5 9.4c1.1.8 1.8 2.2 2.3 3.7-2 .4-3.5.4-4.8-.3-1.2-.6-2.3-1.9-3-4.2 2.8-.5 4.4 0 5.5.8z\"\u003e\u003c\/path\u003e\u003cpath d=\"M14.1 6a7 7 0 0 1 1.1 4.8c-1.6.8-3.6.1-4.7-.3.2-2 1.4-3.8 3.6-4.5z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n    \u003cdiv class=\"crs-num crs-num--xs\"\u003e14,347\u003c\/div\u003e\n    \u003cdiv class=\"crs-tag\"\u003ekg fresh biomass per hectare\u003c\/div\u003e\n    \u003cdiv class=\"crs-ctx\"\u003eBiomass production at 150 days after planting, Zamboanga Peninsula, Philippines trial.\u003c\/div\u003e\n    \u003ca class=\"crs-cite\" href=\"https:\/\/www.da9researchportal.com\/admin\/uploads\/6%20Michael%20Molina.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDept. of Agriculture Region 9, Zamboanga Cover Crop Trial\u003c\/a\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"crs-card\"\u003e\n    \u003csvg class=\"crs-icon\" viewbox=\"0 0 24 24\"\u003e\u003cpolyline points=\"1.5 8.5 5.5 4.5 9.5 8.5\"\u003e\u003c\/polyline\u003e\u003cpath d=\"M5.5 4.5v9a5.5 5.5 0 0 0 10.6 2\"\u003e\u003c\/path\u003e\u003cpolyline points=\"22.5 15.5 18.5 19.5 14.5 15.5\"\u003e\u003c\/polyline\u003e\u003cpath d=\"M18.5 19.5v-9a5.5 5.5 0 0 0-10.6-2\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n    \u003cdiv class=\"crs-num crs-num--sm\"\u003e95.66%\u003c\/div\u003e\n    \u003cdiv class=\"crs-tag\"\u003eDecomposition within 3 months\u003c\/div\u003e\n    \u003cdiv class=\"crs-ctx\"\u003eReleasing tissue nutrients: 3.572% N, 0.245% P, 0.809% K back into the root zone.\u003c\/div\u003e\n    \u003ca class=\"crs-cite\" href=\"https:\/\/www.da9researchportal.com\/admin\/uploads\/6%20Michael%20Molina.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDept. of Agriculture Region 9, Zamboanga Cover Crop Trial\u003c\/a\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"crs-card\"\u003e\n    \u003csvg class=\"crs-icon\" viewbox=\"0 0 24 24\"\u003e\u003cpath d=\"M12 2.69l5.66 5.66a8 8 0 1 1-11.31 0z\"\u003e\u003c\/path\u003e\u003c\/svg\u003e\n    \u003cdiv class=\"crs-num crs-num--xs\"\u003e88% \/ 98%\u003c\/div\u003e\n    \u003cdiv class=\"crs-tag\"\u003eLess runoff \/ less soil loss\u003c\/div\u003e\n    \u003cdiv class=\"crs-ctx\"\u003eVersus bare soil in replanted rubber plantations. 2024 peer-reviewed study.\u003c\/div\u003e\n    \u003ca class=\"crs-cite\" href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/38103613\/\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ePerron et al. 2024, Science of the Total Environment\u003c\/a\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"crs-card\"\u003e\n    \u003csvg class=\"crs-icon\" viewbox=\"0 0 24 24\"\u003e\u003cpolyline points=\"22 7 13.5 15.5 8.5 10.5 2 17\"\u003e\u003c\/polyline\u003e\u003cpolyline points=\"16 7 22 7 22 13\"\u003e\u003c\/polyline\u003e\u003c\/svg\u003e\n    \u003cdiv class=\"crs-num\"\u003e30%\u003c\/div\u003e\n    \u003cdiv class=\"crs-tag\"\u003eN fertiliser substitution\u003c\/div\u003e\n    \u003cdiv class=\"crs-ctx\"\u003eGreen manure legumes including Pueraria javanica can substitute up to 30% of nitrogen fertiliser in coconut basins.\u003c\/div\u003e\n    \u003ca class=\"crs-cite\" href=\"https:\/\/coconutboard.gov.in\/docs\/icj\/icj-2022-12.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eIndian Coconut Journal 2022, Coconut Board of India\u003c\/a\u003e\n  \u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cp class=\"crs-foot\"\u003eAll statistics from peer-reviewed or institutional research. Seeds supplied by Chemiseed Sdn. Bhd., available for export worldwide. \u003ca href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/38103613\/\" target=\"_blank\" rel=\"noopener\"\u003eView Perron et al. 2024 erosion study\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003chr style=\"margin:2em 0 1.5em;border-top:2px solid #1a5276;\"\u003e\n\u003cdiv style=\"background:#f0f7fb;padding:1.5em;border-radius:8px;border-left:4px solid #1a5276;\"\u003e\n  \u003ch3 style=\"margin-top:0;color:#1a5276;\"\u003eRelated Articles\u003c\/h3\u003e\n  \u003cp style=\"margin-bottom:0.75em;\"\u003eRead more from the Chemiseed agronomic knowledge base:\u003c\/p\u003e\n  \u003cul style=\"margin:0;padding-left:1.25em;\"\u003e\n    \u003cli\u003e\u003ca href=\"\/en-id\/blogs\/soil-health-sustainability-1\/eudr-compliance-malaysia-traceability-2026\" style=\"color:#1a5276;\"\u003eEUDR Is Delayed. Your Traceability Obligations Are Not.\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/en-id\/blogs\/soil-health-sustainability-1\/tspks-2-oil-palm-replanting-malaysia-grant\" style=\"color:#1a5276;\"\u003eRM14,000 Per Hectare for Replanting. Here Is Who Qualifies and How to Apply.\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/en-id\/blogs\/soil-health-sustainability-1\/indonesia-b40-biodiesel-palm-oil-supply-impact\" style=\"color:#1a5276;\"\u003eIndonesia's B40 Mandate Has Pulled 2 Million Tonnes of Palm Oil Off the Market.\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/en-id\/blogs\/soil-health-sustainability-1\/rubber-ccru-2024-controlled-release-urea-hevea\" style=\"color:#1a5276;\"\u003eConventional Urea Loses a Large Proportion of Its Nitrogen Before Rubber Trees Can Use It.\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"margin-top:2rem;padding:1.5rem;background:#f8faf8;border:1px solid #e0e8e0;border-radius:8px;\"\u003e\n\u003ch3 style=\"margin:0 0 1rem;color:#0f4c3a;font-size:1.1rem;\"\u003eHow to Order\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 0.5rem;\"\u003e\u003cstrong\u003eSmall quantities \/ Retail:\u003c\/strong\u003e For single packs and smaller quantities, shop our retail stores on Shopee and TikTok Shop.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 0.5rem;\"\u003e\u003cstrong\u003eBulk \/ Estate:\u003c\/strong\u003e For plantation-scale orders (100 kg+), \u003ca href=\"\/en-id\/pages\/contact-us\"\u003erequest a bulk quote\u003c\/a\u003e with volume discounts.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 0.5rem;\"\u003e\u003cstrong\u003eExport \/ International:\u003c\/strong\u003e We ship globally. \u003ca href=\"\/en-id\/pages\/contact-us\"\u003eContact us\u003c\/a\u003e for CIF\/FOB pricing and export documentation.\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eMarketplace:\u003c\/strong\u003e Retail packs available on \u003ca href=\"https:\/\/shopee.com.my\/chemiseed_my\" target=\"_blank\" rel=\"noopener\"\u003eShopee Malaysia\u003c\/a\u003e and TikTok Shop.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-top:1.5rem;padding:1.25rem;background:#f0f7f4;border:1px solid #cfe3d8;border-radius:8px;\"\u003e\n\u003ch3 style=\"margin:0 0 .5rem;color:#0f4c3a;font-size:1.05rem;\"\u003ePlan with our free calculators\u003c\/h3\u003e\n\u003cp style=\"margin:0;\"\u003eEstimate the nitrogen this cover crop can contribute with the \u003ca href=\"\/en-id\/pages\/nitrogen-fixation-calculator\"\u003eNitrogen Fixation Calculator\u003c\/a\u003e, model erosion control with the \u003ca href=\"\/en-id\/pages\/soil-erosion-calculator\"\u003eSoil Erosion Calculator\u003c\/a\u003e, or work out the seed quantity with the \u003ca href=\"\/en-id\/pages\/advanced-cover-crop-calculator\"\u003eCover Crop Calculator\u003c\/a\u003e. Browse all our \u003ca href=\"\/en-id\/pages\/tools\"\u003eplantation tools\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"margin-top:1.5rem;font-size:0.85rem;color:#777;\"\u003eLast reviewed June 2026 by Chemiseed Sdn. Bhd.\u003c\/p\u003e","brand":"Chemiseed Sdn. Bhd.","offers":[{"title":"Default Title","offer_id":12329032187991,"sku":"","price":150.0,"currency_code":"MYR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/5992\/0727\/files\/cover-crop-seeds-pueraria-javanica-pj-7206742.jpg?v=1752388976","url":"https:\/\/chemiseed.com\/en-id\/products\/pueraria-javanica-pj","provider":"Chemiseed Sdn. Bhd. ","version":"1.0","type":"link"}