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| Investigation on Preliminary Processing of Vegetables after Harvest in Beijing |
| QIAN Jing1，CAO Lili2，MAN Jie1，ZHENG Lijing1，WEI Qiang1，SUN Guizhi3，ZHANG Haifang4，ZHAO Liqun1* |
| （1Beijing Agricultural Technology Extension Station，Beijing 100029，China；2Beijing Miyun District Agriculture Service Center，Beijing 101500，China；3Beijing Shunyi District Agricultural Technology Comprehensive Service Center，Beijing 101300，China；4Beijing Daxing District Agricultural Products Production and Marketing and Vegetable Industry Service Station，Beijing 102600，China） |
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Abstract This paper conducted investigation and research on the post-harvest production status，technical equipment application，marketing channel，technology policy demand，etc. status of 67 main bodies of agricultural production and management in 8 mainly agriculture-related districts of Beijing．The results showed that the total amount of initial processing vegetables，watermelon，strawberry，fresh maize and edible mushrooms in 2021 was 77 696.0 t．Year-on-year growth was 19%．The applied rate of main primary processing technology from high to low were grading（91.04%），packaging（88.06%），precooling（64.18%）and preservation（59.70%）．The equipment with the highest application rate is packaging machine，reaching 56.72%．Turnover time of vegetable products in Bejing outskirts was shorter．The storage time for products after processing less than 24 h had reached 64.18%．The proportion of seasonal cold storage use was the highest，reaching 31.34%．There were various sale methods for postharvest vegetables，e-commerce（56.72%），leisure picking（49.25%）and community group purchasing（47.76%）ranked the top three．The most needed technology by interviewee was preservation（74.63%），followed by packaging（67.16%）．The most needed policy support was the introduction of primary processing equipment（74.63%）．
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Received: 30 November 2022
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