Majiagou celery leaves are yellow and stalks straight, hollow, fresh and tender, crisp and crisp, nutritious and of high quality. It is rich in calcium, iron, carotene, vitamin B1, vitamin B2, vitamin A, vitamin C and other essential elements. Dongmajiagou celery is a crude fiber vegetable and contains celery oil, which has a unique aromatic smell. Appetite promotes appetite, and it is also used in medicine to clear away heat, cough, stomach, blood pressure, detoxification, beauty and other health functions.

In recent years, in order to protect, excavate and develop this famous place brand, in the spring of 2003, the “Majiagou Celery Variety Resource Protection and Standardization Technology Ru0026D” project was established by Qingdao Science and Technology Bureau, and was established by Pingdu Agricultural Bureau and Liyuan Street. The ditch celery demonstration base was jointly organized and implemented, and the fixed-point breeding was carried out. The cultivars of Majiagou celery were purified and rejuvenated year by year. The improved varieties were cultivated according to the standard, and the characteristics of celery varieties in Dongmajiagou were further optimized, and the celery was irrigated twice per acre during the growth period of the celery. The nutrient water of pure milk after 50 kg of fermentation is converted into various nutrients that can be directly absorbed by the human body. In 2007, Pingdu “Majiagou Celery” successfully passed the national geographical indication product protection certification, and obtained the “ID card” and “amulet” that are in line with international standards. This is China's first leaf vegetable vegetable geographical indication product protection certificate, and is the only agricultural product in Shandong Province that was protected by vegetable geographical indication products in 2007. Pingdu City is located in the west of Jiaodong Peninsula. The coordinates are 119°21′--120°19′ east longitude, 36°28′- -37°02′ north latitude, yellow sea in the south, Bohai Sea in the north, 100 kilometers away from Qingdao city, Yantai City. It is 190 kilometers away and 78 kilometers away from Weifang City. It is the throat of the inland hinterland of the Jiaodong Peninsula. It is a warm temperate semi-humid monsoon region with a continental climate with four distinct seasons and pleasant climate. The annual average rainfall is 800 mm, the annual average temperature is 12 °C, the hottest August average temperature is 25.2 °C, and the coldest January average temperature is -2.08 °C. The average annual light time is 2664.1 hours. The frost-free period is 194.7 days, the icing period is 86.2 days, the annual average humidity is 77%, and the annual average foggy day is 30.4 days. It has formed a very rich agricultural resources, rich in wheat, corn, peanuts, cotton, yellow tobacco, poultry, apples, grapes, hawthorn, chestnut, jujube, eucommia, ginkgo, silk cocoons, vegetables and so on. Among them, celery is a traditional vegetable in the area, with a long history of planting and good quality. Product Honor In 2003, Qingdao Qinyuan Modern Agriculture Co., Ltd. registered the “Majiagou” trademark in the State Administration for Industry and Commerce. In 2005, it passed the certification of Qingdao's pollution-free agricultural production base; it obtained the certification of pollution-free agricultural products of the Ministry of Agriculture; and obtained the A-level certification of the Green Food of the Ministry of Agriculture. In 2006, it was awarded the title of Qingdao Agricultural Product Brand and the most famous famous agricultural product of Qingdao consumers; it was awarded the 2008 Qingdao Olympic Sailing Food Recording Planting Base. In 2007, it was awarded “2007 Qingdao Food Quality Reassuring Brand”; it was rated as “Top Ten Brands of Island City” (agricultural products); it was protected by national geographical indications and became the first geographical protection product of leafy vegetables in China; In 2008, it was awarded the famous trademark of Shandong Province; it was certified by organic food; the germination seed of Majiagou was carried by Shenzhou VII and carried out aerial breeding experiments; in 2009, Majiagou celery participated in the 3rd China Trademark Festival, “ The Majiagou brand celery won the “60 Most Competitive Brands of Agricultural Products in the Country”. In 2010, “Majiagou” brand celery was awarded as China's well-known trademark, and was awarded the “Gold Award of the 8th China Agricultural Trade Fair” and “Qingdao Top Ten Famous Agricultural Products Brand”.

Majiagou celery quality technical requirements (a) varieties. Local traditional farmhouse hollow fine celery variety. (2) Site conditions. The soil has deep plough layer, organic matter content ≥1%, loam or clay loam with strong water retention and fertility. The pH is between 6 and 7.5. (3) Cultivation management. 1. Seedling selection: It is required to use the disease-free and strong seedlings after purification and rejuvenation. 2. Sowing period: from late June to early July. 3. Planting density: 22,000 to 28,000 plants per mu. 4. Field management: (1) Management of slow seedling period: keep the soil moist during this period. The slow seedling period takes about 15 to 20 days. (2) Management of seedling stage: control watering, promote rooting and prevent lengthening. Combined with shallow cultivating for 10 to 15 days of seedlings. (3) Management during the vigorous growth period of vegetative growth (heart leaf hypertrophy period): After the end of the seedlings, apply a quick-acting nitrogen fertilizer, and apply urea to 15 to 20 kg per mu. Two to three foliar sprays (mainly bio-fertilizers) are carried out in the middle and late stages of vegetative growth. Generally, the water is poured once every 3 to 4 days, the amount of water is reduced after the frost is dropped, and the watering is stopped 7 to 10 days before the harvest. (4) Harvesting and storage. Harvested in early November. Semi-underground storage after harvesting, temperature control from -2 ° C to 0 ° C, humidity maintained at 97% to 99%, storage for more than 15 days can be listed. (5) Quality characteristics. 1. Sensory features: hollow petiole, yellow-green color, crisp and fragrant. 2. Physical and chemical indicators: the project refers to crude fiber, g/100g≤0.85 total sugar,%≥0.6 mannitol, g/100g≥0.60

Apply to：
Producers within the protection scope of the geranium geographical indication products of Majiagou may apply to the Pingdu Municipal Bureau of Quality and Technical Supervision of Shandong Province for the use of the “Special Mark for Geographical Indication Products”, which shall be approved by the General Administration of Quality Supervision, Inspection and Quarantine.