April 8，Tongchuan City’s Third National Soil Census Profile Field Survey and Sampling Work Meeting and Launching Ceremony was held in Alai Village, Shizhu Town, Yaozhou District，Group Three General Office、Geographical Construction Research Institute、Underground Construction Comprehensive Development Company、Dijian Guantian Company、Yan'an Branch、Weinan Branch、Relevant comrades from Tongchuan Branch participated in the event。

At the launching ceremony，Xu Wenhua, leader of the technical team of the Provincial Soil Census Office，Zhang Xingchang, director of the Shaanxi Provincial Institute of Biological Agriculture, selected from the sample plot、Soil Profile Excavation、Observe and record the cross-sectional shape、The entire specimen collection and other procedures were fully trained and explained，Answer and provide guidance to questions raised by participants on site。Conference Emphasis，All operating units and staff for profile sampling should further improve their stations，Understand the importance of soil census work。Plan carefully，Assemble personnel and materials，Strictly standardize the sampling dafabet mobile appprocess，Strengthening time node，Solidly promote field survey and sampling。We must effectively strengthen overall planning and coordination，Promptly coordinate to solve problems，Strictly control quality，Strengthen security。

Shaanxi Provincial Soil Census Office、Shaanxi Institute of Biological Agriculture、Shaanxi Geological Survey Institute、Tongchuan Agricultural Science Institute、Relevant comrades from the agricultural and rural bureaus of various districts and counties in Tongchuan City participated in the event。