On 6 December 2017, theseminar was held in Shenyang. The seminar was hosted by Liaoning Association of Soil Science and co-organized by IAE CAS and Liaoning Soil and Fertilizer Station.　

The director general of Liaoning Association of Soil Science, Prof SHI Yuanliang　gave openingspeech. Then, Prof JIANG Juan from Liaoning Soil and Fertilizer Station, CEO of Changchun Zhongkedongdi Agricultural Equipment Cooperation Limited XU Yadong, Prof LU Zongyun from IAE reported, respectively, on the perspectives of high-efficiency-slowly released fertilizers in Liaoning, corn field no-tillage and precision drilling cultivation and stable fertilizer no-topdressing technology. The leaders and specialists from Soil and Fertilizer Stations of nine counties and trusteeship cultivation companies exchanged their experiences on the interrelations of new-type fertilizers and agricultural machinery, method of fertilization, effect and fertilization based on soil analysis. A consensus was reached that the combination of stable fertilizers without topdressing with no-tillage technology makes synchronous seeding and fertilization, saving time and labor. This will benefit farmers and also change the mode of field cultivation and it is a great change in agricultural production.