GPC's Silicon-Containing Special Fertilizer for Rosa Roxburghii Achieves Bumper Harvest in Longli County
As a major national producing area of rosa roxburghii, Guizhou boasts a total rosa roxburghii planting area of 1.52 million acres with the comprehensive industrial output value exceeding RMB 10 billion. In particular, Longli County is reputed as the “Hometown of Rosa Roxburghii in China”. For a long time, the shortage of special fertilizers has been a prominent bottleneck restricting the quality upgrading and industrial development of the local rosa roxburghii industry.
Leveraging its core advantages in the comprehensive utilization of associated phosphate ore resources, Guizhou Phosphate Chemical Group (GPC) has cooperated with the research team led by Professor Yin Xianhui and Professor Ma Yue from the College of Agriculture, Guizhou University. Tailored to the nutritional rules of rosa roxburghii and the characteristics of mountainous soil in Guizhou, the two parties have jointly developed a silicon-containing special fertilizer for rosa roxburghii. The effort transforms mineral resource advantages into characteristic industrial advantages, turning laboratory scientific research achievements into a “wealth-creating fertilizer” that increases farmers’ income.
Rosa roxburghii trees applied with GPC’s silicon-containing special fertilizer feature robust plant growth, uniform fruiting and plump fruits.
On August 26, technicians from GPC AgriService Company and R&D Center, together with the research team from the College of Agriculture, Guizhou University, visited the rosa roxburghii planting base in Gujiao Town, Longli County, Qiannan Prefecture. The team conducted on-site evaluation on the application effect of the silicon-containing special fertilizer, carried out phased project acceptance, and provided targeted technical assistance, boosting the quality and efficiency of Guizhou’s rosa roxburghii industry through industry-university-research collaboration.
The rosa roxburghii at the base has now entered the mature period. Technicians inspected the tree growth, fruit development and pest and disease occurrence on site, gained a detailed understanding of daily cultivation and management practices including fertilization, pruning and irrigation, and sorted out key planting difficulties and technical demands, collecting first-hand data for subsequent fertilizer formula optimization.
Field measurement and comparative tests showed that rosa roxburghii trees treated with the special fertilizer grow vigorously with even fruit setting and full fruits. The maximum per-mu yield of the demonstration plot reached 1,546 kilograms, a significant increase of 17.6% compared with the conventional fertilization mode adopted by local farmers.
Professor Yin Xianhui (second from left) evaluates rosa roxburghii growth treated with the special fertilizer.
On-site technical training on high-quality and high-yield cultivation of rosa roxburghii was also delivered during the yield measurement and acceptance activity. Professor Yin Xianhui from the College of Agriculture, Guizhou University gave on-site lectures on key links including orchard selection, scientific fertilization, shaping and pruning, green prevention and control of pests and diseases, and harvesting management.
Dr. Huang Hong from GPC R&D Center answered practical questions raised by farmers on-site, focusing on the key application methods of the silicon-containing special fertilizer for rosa roxburghii, effectively improving farmers’ scientific planting capabilities. Samples of GPC’s silicon-containing special fertilizer were distributed to farmer representatives for trial use in the next planting season. Continuous follow-up visits and field feedback collection will be conducted to lay a solid foundation for product optimization and market promotion.
Rosa roxburghii trees applied with GPC’s silicon-containing special fertilizer feature robust plant growth, uniform fruiting and plump fruits.
The silicon-containing special fertilizer for rosa roxburghii is a typical achievement of the industry-university-research collaborative innovation model between GPC and Guizhou University, which follows the principle of “enterprises putting forward problems, universities solving problems, and bases verifying results”. Through full-chain research and development including laboratory formula design, multiple rounds of field trials and demonstration promotion in Longli base, the customized fertilizer accurately meets the nutritional needs of rosa roxburghii growth, realizing efficient achievement transformation from laboratory research to orchard application.
In the next stage, both parties will sort out and analyze the yield measurement data, continue to track and verify fertilizer application effects, and further deepen industry-university-research cooperation. The two sides will continuously optimize the rosa roxburghii fertilization technical system, convert scientific and technological achievements into industrial benefits, and empower the high-quality development of the rosa roxburghii industry and the increase of farmers’ income.
