2022，Shaanxi Province’s Third National Soil Census (hereinafter referred to as Shaanxi Three Census) pilot work in Shenmu、Dali and other 6 cities, counties and districts are on schedule。For agricultural people who have been dealing with the land all their lives，Urgent and looking forward to it，Urgent to “find out the soil’s background” in the shortest possible time，It is an arduous task to implement the "Equal Acquisition of Heroes" policy；Looking forward to passing Shaanxi Sanpu，Able to solve high-intensity land development and land use protection issues，Protect the Sanqin elders’ food problem。More than 200 days of relay progress and innovative exploration，5058 soil census verification and collection of surface sample points in 6 pilot cities and counties in our province、152 profile points，3 The special survey, verification and collection of surface samples of 881 saline-alkali lands in cities and counties were 100% successfully completed、A 5,000-square-meter farmland soil sample bank was completed ahead of schedule and put into use。Behind the “dazzling transcript”，It is Shaanxi’s united struggle，The result of hard work，Keep in mind the original intention and mission，Continuous innovation and search，A true portrayal of the experience of exploring Shaanxi Sanpu。

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Grain production safety，It’s not anyone’s business，It’s not a matter of any department，The whole society needs to act together。From the "rice bag" provincial governor responsibility system，Implement the provincial governor responsibility system for food security by 2014，By 2021, the Central Committee’s No. 1 Document proposed “implementing the shared responsibility of the party and government for food security”，This year we will “comprehensively implement the shared responsibility of the party and government for food security”，The main responsibility for ensuring food security continues to be strengthened。How to ensure food security？How to expand and promote high-standard farmland？How to implement a new round of action to increase grain production capacity by 100 billion kilograms？The results of the third national soil census will give accurate answers。

2022，The State Council issued the "Notice on Carrying out the Third National Soil Census"，Announcement of the official launch of a new round of national soil census after more than 40 years。Fundamentally handle and resolve the relationship between national food security and economic and social development。Shaanxi follows the "Chuangluzi" principle、Build mechanism、Exploration mode、Set standards、Team training、Requirement of “producing results”，Careful planning、strict organization，Start high-quality Shaanxi three census work。

Shaanxi attaches great importance to the third national soil census，The leading group for the third national soil census of Shaanxi Province was established，The deputy governor in charge is the team leader，The deputy director in charge of the Provincial Department of Agriculture and Rural Affairs is the director，Provincial Development dafabet mobile appand Reform Commission、Provincial Department of Finance、Provincial Department of Natural Resources、Provincial Department of Ecology and Environment、Provincial Department of Water Resources、Provincial Forestry Bureau、Provincial Bureau of Statistics、Work class with Northwest A&F University and others as members，Subordinate integrated management、Technology、Outside business、Detection、Achievements summary of 5 groups，Corresponding working organizations will be established in each pilot city and county，With the Central Committee、The provincial expert group and various operating units plan and implement together，Province formed、City、The county and three levels are working together to implement the pilot work。

Passed the "release-political review-selection-participation-evaluation-support-implementation" procedure，Shaanxi Sanpu should be a good "gatekeeper"，Selected for high political awareness，Strong technical ability，A team with strong overall awareness，Northwestern Agricultural and Forestry University、Shaanxi Land Engineering Construction Group、Shaanxi Geological Survey Institute、The expert team of Aerospace Hongtu Information Technology Co., Ltd. as the technical support unit，Hire 33 soil science experts to form a provincial technical guidance group，Close collaboration、Complementary advantages、Form a combined force，Properly manage the "information platform and soil mapping"、Field survey sampling and classification、Internal testing and quality control” section，Keep the quality of the "Three Universal" pilot work，Optimize and adjust investigation methods，Concentrated teaching、On-site teaching、Spot check of information、Do a good job for the central government and the province，Preparation of "Regulations on Surface Sampling for Three Field Surveys of Soil"，Confirm provincial quality control，Do a good job for the central government and the province、City Technology Tracking、Personnel training、Comprehensive equipment protection；More than 20 selected national-level certified expert professors，Follow the "pre-work training-examination-grading-certification" model，To the managers of the three general population offices in pilot counties、Field survey and sampling technology unit、Team leader、Inspection unit and other technical personnel conduct advance training roadshow，From a global perspective、From the details、Start from the key points，Carry out pilot work while ensuring quality and quantity。

"Cross-industry Portfolio" Sampling Doubled work efficiency

“Without investigation, there is no right to speak”。Strict、Cong Shi、Carry out field investigation as soon as possible，Is the premise and foundation for carrying out the "Three Universal" pilot work，If accurate investigation is not possible，All subsequent work is like a castle in the air。The Shaanxi Third General Purpose Office will “start everything from reality，Seek truth from facts，The ideological line of “integrating theory with practice” as a “family heirloom”。"In-depth investigation on the front line，Explore various cross-border combination models of ‘state-owned enterprises + experts’, ‘experts + third-party institutions’ and ‘agricultural technicians + third-party institutions’，Double the efficiency of Shaanxi’s three general surveys，Effectively solved the lack of investigation and research capabilities、Inadequate ideological understanding、Long approval time、Can’t go into practical issues well，Greatly improved the sampling speed of Shaanxi Sanpu，Ensure sampling quality。”Institute of Soil and Water Conservation, Ministry of Water Resources, Chinese Academy of Sciences、Researcher, Institute of Soil and Water Conservation, Northwest A&F University、Deputy Director Xu Mingxiang said。

“State-owned enterprises + experts” model。Make full use of the professional and technical personnel of Shaanxi Provincial Land Engineering Construction Group and Provincial Geological Survey Institute、Characteristics of high work quality，Establish a field investigation team，Each team is led by a provincial technical expert，Sub-city Baoxian，Strengthen business training and on-site guidance，While promoting field investigation，Promote the in-depth integration of high-standard farmland construction and soil and land-related businesses。

“Experts + Third Party Organization” model。In view of the outstanding problem of insufficient professional and technical strength of third-party institutions，Hire soil science experts from Northwest dafabet casino mobile appA&F University to provide one-on-one services，Provide technical training and full on-site guidance，Not only ensures the quality of work，It also reserves technical strength for follow-up work。

“Agricultural technicians + third-party agencies” model。Practical difficulties in field investigation of the “Three General Surveys” of soil，Fully mobilize the enthusiasm of grassroots agricultural technicians，Comprehensive participation in field investigation work，Provide background information on land use and agricultural production to the sampling team、Sample point query、Coordinate farmers and other services，Solving the difficulty of third-party agencies communicating with farmers during field surveys、Great resistance，Problems affecting the quality and efficiency of field surveys，It has also greatly improved the professional knowledge and practical skills of grassroots agricultural technicians。

Highly professional in collecting field profile samples、Technically demanding features，The collection tasks of all profile sample points in the six pilot cities and counties in Shaanxi are entrusted to Northwest A&F University。In line with responsibility for the country、Responsible for the "three general surveys"、Responsible attitude towards the cause，Northwest A&F University adopts the “teacher + student” model of colleges and universities，In more than 2 months，Braving the high temperature of 40℃，Professors and experts lead the team，With doctoral students、Master’s student together，Not afraid of hardships，Participate in the whole process and organize and implement the cross-section sample point verification、Analysis of characteristics of soil formation environmental factors and other work。

Since launch in early July 2022，Shaanxi Sanpu’s further on-site investigation of field sampling、Sample point positioning、Clarify and improve the content of more than ten indicators including soil utilization survey，Clear requirements from the six links of "preliminary preparation - preset sample points - soil survey - topsoil sampling - profile sampling - field verification"，Each pilot city and county combines provincial requirements，Rewrite the pilot implementation plan，Further refine work measures，Inverted schedule、Flip Chart Operation，Carry out field investigation work while ensuring quality and quantity。39 field sampling teams are working with certificates，Each team is assigned a technical team leader，1 agricultural technician、1 logistics support and 2 technicians，Professor included、Researcher、Senior Engineer、Senior Engineer，The Shaanxi three general inspections technical control working mechanism of "provincial three general inspection offices + experts + technical leaders + quality inspectors + N" has been formed。

Only on the front line can you understand the situation，Go to the front line to solve the problem，Only in this way can the research results be truly transformed into actual results in promoting Shaanxi’s high-quality leap-forward development。According to the second national soil census data，Saline-alkali land is an important reserve cultivated land resource in my country，There are more than 500 million acres of saline-alkali wasteland and partially cultivated saline-alkali land in the country，About 200 million acres of it are agricultural (cultivated land、The potential for development of grassland, etc.。Restore and manage and efficiently utilize saline-alkali land，It is of great significance to ensuring national food security。In the special survey of saline-alkali land，The sampling team of the Institute of Soil and Water Conservation of Northwest Agricultural and Forestry University has not yet clearly defined the stage of collecting water-stable macroaggregate samples in the country，After many communications，Based on professional technical judgment，Proactively explore pilot work methods，Water-stable macroaggregate samples were collected at a sample ratio of 30%，Completed the special survey and sampling work of saline-alkali lands in 3 counties ahead of schedule，Effectively ensures the completeness of the special survey on saline-alkali land、Scientific、rigor、Timeliness， Not only saves time，Speed ​​up the progress，Calculate the time cost of sampling more accurately、Labor cost、Input cost，Provides detailed reference basis，Find out "Shaanxi saline-alkali land survey experience"。

At the National Soil Census Work Conference hosted by the Ministry of Agriculture and Rural Affairs，Shaanxi Sanpu Work has been invited to give experience introductions and keynote speeches for many times，National promotion。

Full-process "Quality Control Testing" Strict quality control

Conscientiously connect the work nodes of field investigation and sampling with in-house testing，Is the key to ensuring the smooth progress of the “Three General Population” work。The provincial general office passed the screening at all levels，Selected 5 laboratories to jointly undertake 6 pilot cities and counties and 3 saline-alkali lands，Special survey on city and county soil “Three Census” sample preparation work，Make sample preparation、Detection separation，Completed the preparation of 8497 soil samples。

Specialized in the art。Sample transcoding work is carried out by Shaanxi Academy of Environmental Sciences、Three provincial quality control laboratories, Shaanxi Provincial Environmental Monitoring Station and Shaanxi Provincial Agricultural Products Quality Inspection Center，Responsible for formulating sample flow for 5 sample preparation laboratories、Transcoding work plan and practical drill。Determined that Shaanxi Sanpu sample transcoding work will be uniformly implemented in the sample preparation laboratory，Quality control sample addition plan，Improved work efficiency，formed unified standardized technical processes and requirements。According to the work tasks assigned by the Provincial General Office，Provincial quality control laboratories have formulated sample preparation transcoding、Quality control sample addition plan，Report to the provincial general office for review and then organize and implement separately。

According to the list of the Three Soil Census Testing Laboratories of the State Council announced by the Three Census Bureau of the State Council，Combined with the actual situation of our province，Arranged by the Provincial General Office，It is finally determined that 16 testing laboratories will jointly undertake the soil "Three Census" sample testing tasks in 6 pilot cities and counties and 3 saline-alkali land special survey counties in our province。This pilot work involves a total of 6092 soil testing sample points，Contains 5939 surface sample points，Profile sample point 153 number。16 testing laboratories participating in the pilot work，Successfully completed the soil sample testing work in the province’s “Three Census” pilot cities and counties，Formed a one-stop technical model consisting of field investigation and sampling-in-house testing and analysis-results collection，Comprehensively summarizes the entire process of Shaanxi Sanpu pilot testing work，Achieved the purpose of Shaanxi's three general "big military training"，It has laid a solid foundation for the comprehensive implementation of the “Three General Population” work in our province in the future。

Every time I climb the ice and sleep in the snow、Every midnight battle、Overcoming difficulties every time，In the end, the most accurate data must be obtained，Integrated into the Shaanxi Three Soil Census Information "Central Brain" Platform。Data to be entered by the platform，Results of soil “Three Censuses” data、The “three adjustments” of the country、Soil "Second Survey"、Permanent basic farmland、Comprehensive analysis and judgment of high-standard farmland and other data，Finally realized data management analysis、Summary、Review、Apply “One Picture”，A three-dimensional presentation of the province’s “three soil generalization” work of “digital intelligence empowerment”，Realize data sharing and exchange between provincial platforms and national platforms。

Innovative “Integration Circle” Model Exploring "Shaanxi Experience"

Shaanxi’s three-level pilot work covers a wide range of areas、Sampling points are complex、Many samples，If it cannot be labeled and stored in the warehouse in time，Closed-loop management of soil census cannot be achieved，There will be more mixed samples、Lost、Omitted、Risks such as misjudgment。

The Shaanxi General Publicity Office took the lead in proposing the “breaking circle” thinking in the country，Carry out the "Metal Circle" operation，Fully stimulate the main role of state-owned assets and state-owned enterprises，Mobilizing social forces，From quality、Time、Management、Safety, etc.，Carry out research on key technologies and stuck problems。Build a 5000m2 sample library with Shaanxi Land Engineering Construction Group，Soil science experts from Northwest A&F University guided the design of the sample library throughout the process、Save、Display and other technical aspects，Follow soil sample library、Arable Soil Museum、Soil big data management platform、Dividing functions such as soil testing center。Provincial soil samples for the next three years will be stored here，Formation dafabet mobile loginset professional research、Technical training、Shaanxi characteristic soil sample database that integrates multiple functions such as public science popularization and youth education。

Census is a means，The purpose is food security。If we say more than 40 years ago，The second national soil census，It was adapted to the needs of the period of rapid economic development，Now，The third national soil census is established in a new stage of development，Towards the main economic battlefield、Facing major national needs、Facing people’s yearning for a better life，New requirements for high-quality development。The pilot work of Shaanxi's three general surveys is from a political perspective，Stand firm with the people，The perspective of making every effort to ensure the continued harmony and stability of the overall social situation，Promote high-quality development of various tasks。

Watered with sweat，Watered with sweat，The “Fuchun Mountain Dwelling Map” of the results of Shaanxi’s three general population surveys outlined with numbers，"Hide grain on the ground" will be accurately implemented、Hiding food in technology” strategy，Helping our province to expand and strengthen the development of leading industries with fruit characteristics，Exploring the production potential and management methods of saline-alkali land，Steady promotion of stabilizing grain and increasing income、Expand beans and increase oil、Weight loss and efficiency improvement policy。Find out the soil background，Exploring Shaanxi Sanpu Experience，We are full of confidence in the "vegetable basket" and "grain bag" that protect the land of Sanqin。

Song Jialing Gao Yonglong Our reporter Yang Na