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May 8，Yan’an Branch held the Yan’an City’s Third National Soil Census Profile Field Survey and Sampling Launching Ceremony in Ganquan County，Relevant technical personnel from Ganquan County Agricultural Technology Extension Center participated in the event。
At the launching ceremony，The third national soil census profile field survey and sampling technology leader in Yan'an City demonstrated the division of soil occurrence layers in the profile、Observation and description of cross-section morphology、Sample collection process、Quality control requirements and other technical operation essentials，Detailed explanation，And answer questions raised by everyone。Meeting request，All operating units and staff of profile sampling must continuously improve their capabilities、Standard operation，Seize the opportunity，Strict quality control、Progress Level、Safety dafabet.com mobileCheck，Ensuring the completion of profile survey and sampling tasks with high quality and efficiency，Guard the red line of cultivated land with practical actions，Guarantee national food security。
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