A number of farmers and farmland protection officers from towns in Jingjiang, a county-level city in Taizhou, gathered in an experimental field on Aug 15 to observe and receive training on remote sensing for rice nutrition and drone precision fertilization technology.
Farmers and farmland protection officers learn to use new technologies in an experimental field. [Photo provided by Jiang Wenjie to etaizhou.gov.cn]
A nitrogen nutrition remote sensing monitoring map for rice was displayed in the field. The map used green, yellow, and red to indicate areas with adequate, deficient, and excessive nitrogen nutrition.
"This map is derived from remote sensing diagnostics on crop nutrition. We use it for precision fertilization in the Jingjiang experimental fields", said Tan Changwei, a professor at the Agricultural College of Yangzhou University.
By outfitting drones with nutritional remote sensing diagnostic models, digital fertilization prescription maps can be created based on the actual growth conditions of rice and wheat, as well as the varying levels of crop nutrients. By following the prescriptions, different quantities of fertilizers are applied in different areas, optimizing the topdressing process for rice and wheat in a more scientifically sound manner.
Jingjiang is collaborating with Yangzhou University to advance the monitoring of basic growth data for crops in the display area, accelerating the development of a fertilization system and a portable measurement device for rice and wheat growth parameters suitable for Jingjiang, which are expected to be applied in wheat planting this year.