Caojiali is a famous specialty of Caojia Township, Renshou County, Meishan City, Sichuan Province. Caojiali relies on special soil and climatic conditions. It has smooth leather surface, delicate fruit, sweet and slag of fruit flesh, minimal core, and clear heat. Summer, clear heart and lungs and other characteristics.

Caojia pear is mainly composed of Fengshui, Gold, Golden Flower, Round Yellow, Xingao and Gem Pear. Its characteristics are: the fruit size is moderate, the average single fruit is 300-500 grams, the edible rate is about 90%, and the leather surface is smooth and fruity. It is delicate, white and yellowish, with little nuclear juice, little or no stone, no sugar or low acidity, high sugar and low acidity, clear heat and heat, clear heart and lungs, unique flavor, attractive aroma and excellent flavor. Nutritional value Pear is rich in B vitamins, can protect the heart, reduce fatigue, enhance myocardial vitality, lower blood pressure; contains glycosides and niacin and other ingredients, can relieve cough, have a protective effect on the throat; pear has More polysaccharides and multivitamins, easy to be absorbed by the body, increase appetite, have a protective effect on the liver; pears are cool and can be calmed and calmed, regular food can restore blood pressure to normal, improve dizziness and other symptoms; pear can prevent arteries Atherosclerosis inhibits the formation of carcinogenic nitrosamines, thereby preventing cancer and cancer; the pectin content in pears is high, which helps digestion and pooping. Suitable for people with cough thick or no phlegm, itchy throat, chronic bronchitis, tuberculosis patients, hypertension, heart disease, hepatitis, cirrhosis, especially after drinking or hangover; chronic enteritis, stomach cold Patients with diabetes and diabetes should not eat raw pears. Caojia Township, Renshou County, Meishan City, a hundred years old, is 28 kilometers away from Renshou, and has a history of more than 400 years of pears. According to the book of Renshou County, Cao’s family began to grow pears in the late Ming and early Qing dynasties, and now tens of thousands of old pears survived. The tree has a history of more than 400 years. When the "Dongshan" of the current year, the Liyuan Village of the Liyuan Village was rich in the imperial court, the Caojia pear had already been famous for the land. Since the reform and opening up, the local relying on the "Caojiali" brand to enlarge and strengthen the pear industry, the planting scale has expanded to 22,000 mu, with an annual output of 25 million kg and an output value of 40 million yuan. Cao’s family has thus become the center of Renshou’s “South Pear” and the main pear-producing base in Sichuan. At present, "Caojiali" has more than 30 varieties of early, middle and late varieties, and has been awarded the title of "Green Food" by the Ministry of Agriculture. Honor Certification Through the continuous development of hundreds of years, the area of ​​pears in Renshou County has reached 61,500 mu, and Caojia pear has become a pillar industry of Renshou's characteristic agricultural industrialization operation. In 2004, it was awarded the “Non-pollution Production Base in Sichuan Province”, in 2004, it was awarded “Meishan City Famous Tourism Product” by Meishan Municipal Government, “Sichuan Provincial Ecological Park” in 2004, and “Green Product” Certification in 2007. He was awarded the honorary title of “Meishan Famous Trademark” and was reported by major news agencies. He enjoys high popularity both inside and outside the province. His products are exported to the United States and sold well throughout the country.

Caojia pear quality technical requirements First, the name Cao Jiali. Second, the variety Jinhua pear, golden pear, Fengshui pear and so on. Third, the site conditions Slope 6 ° - 15 °, the soil is deep and loose, organic matter content ≥ 1%, soil pH value 6.5-7.5, salt content should not exceed 0.2%. Fourth, cultivation management 1. Breeding: select excellent varieties and rootstocks, suitable for planting, Jinhua pear rootstocks are mainly Du pear and Qiuzi pear; Fengshui pear and golden pear rootstock are mainly sand pear and bean pear. 2. Planting: (1) Planting time: Autumn planting is in late September to early November, and the product is grafted in December-January. (2) Planting density: 335-830 plants/ha, plant spacing 3.0-5.0 meters, row spacing 4.0-6.0 meters. 3. Yield control: The output during the fruiting period is controlled at around 30,000 kg/ha. 4. Fertilization: Before and after germination, nitrogen fertilizer is the main; flower bud differentiation and fruit expansion period, mainly phosphorus and potassium fertilizer, mixed with nitrogen, phosphorus and potassium; late fruit growth, mainly potassium fertilizer; autumn application of base fertilizer, mainly farmyard manure In the initial fruiting period, 1.5kg-2.0kg of farmyard manure is applied for every 1kg of pear production; in the fruiting period, more than 3000kg is applied per 666.7m2. 5. Plastic trimming: due to the planting density, the scattered layered shape and the happy shape are selected. Young trees are mainly light-cut in summer, pay attention to the opening angle, slowing down, and leaving more branches and leaves. Adult trees are dominated by thinning, short shearing, and reduction. Cut off diseased branches, dry branches, and thin branches, oblique branches and drooping branches. Increase ventilation and transparency in the crown. 6. Flower and fruit management: (1) According to the 6:1 configuration of pollination varieties, high-marriage pollination branches and artificial-assisted pollination. Golden pears, Fengshui pears and other sand pears are mainly referred to as “half-headed yellow”; white pears such as Jinhuali are known as “broadcast pears”. (2) The time of thinning and thinning begins from winter shearing to the next year from April to May. Excessive flower and fruit and flowers are removed early. Leave an inflorescence every 20 cm or so, leaving a well-developed side fruit for each inflorescence. 7. Pest control: use agricultural control, physical control and biological control to control the use of chemical control. 8. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. 5. Harvesting from July to September, the harvesting period is determined comprehensively based on fruit maturity, use and market demand. Varieties with inconsistent maturity should be harvested in stages. Sixth, quality characteristics 1. Sensory characteristics: fruit color is bright, fruit is small and even, thin and smooth, large fruit, small nuclear, juicy, sweet, fine, slag. 2. Physical and chemical indicators: variety item index soluble solids /% ≥ total acid amount /% fruit hardness (kg / cm2) Caojia pear 13.00.4 ~ 0.65.0 ~ 8.03. Safety and other quality technical requirements: product safety and Other quality technical requirements must comply with relevant national regulations.

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Producers within the scope of Caojiali's production area may submit an application to the Renshou County Administration for Industry and Commerce and the Quality and Technical Supervision Bureau for the use of the “Special Mark for Geographical Indication Products”, which shall be reviewed by the Sichuan Provincial Bureau of Quality and Technical Supervision and submitted to the General Administration of Quality Supervision, Inspection and Quarantine for approval. announcement.