- Deputy Director Zhang Jianyong of Jiangsu Agriculture Commission inspected the project for the Controlled Cultivation and Resource Utilization of Water Hyacinth in Dianchi Lake
Deputy Director Zhang Jianyong of Jiangsu Agriculture Commission, Director Guan Yongxiang of Jiangsu Agricultural Resources and Environment Station made an academic visit to Kunming to inspect the project for the Controlled Cultivation and Resource Utilization of Water Hyacinth in Dianchi Lake on December 24, 2011. JAAS Vice Presidents Zheng Jianchu and Yang xinning and project staff in Kunming accompanied the visit.After the on-site inspection of water hyacinth cultivation in Grass Sea in Dianchi Lake and Mingbo processing station, Deputy Director Zhang spoke highly of supporting techniques for the project and their application. The techniques have incorporated the controlled cultivation, mechanized harvesting, industrialized treatment and recycled utilization. Deputy Director Zhang suggested further integration and demonstration of the techniques and thus more possible progresses in ecological restoration.The battle to clean up the Dianchi Lake was launched in May, 2011, which was technically supported by JAAS. In 2011, the water hyacinth coverage in Grass Sea reached 50%, with an area of 553 hectares. The water quality has been significantly improved, with TN (total nitrogen) reduced to 2.42mg/L from 11.08mg/L and TP (total phosphorus) reduced to 0.13mg/L from 0.22mg/L. At present, large scale harvesting and processing has been carried out.