Guanghui Liu, Guangyuan Yu
（Northeast Forestry University）
Abstract：
Saline alkali land is an important reserve arable land resource for the country. Breeding cold tolerant rice varieties and developing and utilizing saline alkali land are important ways to promote grain production and ensure national food security. In accordance with the national directive of "transforming crops adapted to saline alkali land from managing saline alkali land to breeding salt alkali tolerant plants adapted to saline alkali land, exploring the potential of saline alkali land development and utilization, and striving to make breakthroughs in key core technologies and important innovation fields", the Northeast Center of the National Salt alkali Rice Technology Innovation Center has carried out collaborative research and development using new generation information technologies such as the Internet of Things and big data to address a series of problems in saline alkali land in Northeast China, including the shortage of salt alkali tolerant varieties, the lack of salt alkali tolerant cultivation techniques, and the imperfect salt alkali land improvement technology system. It has built a cold alkali land monitoring platform that integrates dynamic monitoring of saline alkali land meteorological and soil environment, collection of cold rice phenotype data, and data visualization display functions, realizing the integration and aggregation of information technology in multiple disciplines such as germplasm resources, biotechnology, and soil fertilizers. This article introduces the digital monitoring methods and key technologies for the improvement and utilization of saline alkali land in cold regions from the perspectives of platform architecture and functional implementation. The platform has been applied in different accumulated temperature zones such as Daqing, Jiamusi, and Heihe in Heilongjiang Province. The results show that the platform can assist researchers in timely and comprehensive grasp of meteorological and soil information of saline alkali land, effectively reduce the impact of adverse environmental factors, and form a complete data chain; The platform aggregates and processes phenotype traits and yield quality data of rice germplasm resources at different phenological stages, excavates the environmental stress response patterns of germplasm resources, and guides scientific research and production of rice in saline alkali land, providing information technology support for the development and utilization of saline alkali land resources.
Key Words：
saline alkali land; cold region rice; internet of things; monitoring platform
