Zhangqiu green onions broke the Guinness world record for tallest green onions. How were they grown?

On November 15, a new Guinness World Record was set at the 2020 Zhangqiu Green Onion Cultural Tourism Festival: a Zhangqiu green onion reached 2.532 meters in length, creating a new world Guinness world record for green onions. Height record!

This green onion has grown nearly 2 cm longer than the previous record. The top pick in Zhangqiu green onion planting was also selected based on multiple indicators such as the height, diameter, and white length of the green onions, and was awarded 30,000 yuan.

Zhangqiu green onions are one of the famous specialties of Zhangqiu area in Jinan, Shandong Province, and are national geographical indications of agricultural products. The original variety was introduced to Qilu from the northwest in 681 BC and has a history of more than 2,600 years. Emperor Shizong of the Ming Dynasty named it the "King of Onions". It is understood that Xiuhui Street is the origin and core production area of ??Zhangqiu green onions. In recent years, Xiuhui Street has made great efforts to extend the industrial chain and promote the integration of three industries based on Zhangqiu green onions. In the core cultivation area of ????Nvshan Zhangqiu green onions, we will create "100 acres of high-quality fields" and "1,000 acres of demonstration fields", and support and encourage Wangjin Village to register and establish the Nvxianggeng Agricultural Products Company, with annual sales of more than 8 million kilograms of high-quality green onions and sales revenue of more than 20 million yuan. The average household income increased by more than 20,000 yuan; signed a cooperation agreement with Beijing Wangku Group to build the "China Green Onion Industry Network" platform, taking advantage of the "Internet +" to expand the e-commerce sales platform; transferred more than 300 acres of land, and invested more than 4 million yuan to build the province The first four-season green onion production test base and two high-standard temperature-controlled greenhouses, vigorously develop green onion mechanization and four-season onion cultivation. The reason why Zhangqiu green onions are unique in quality and tall and tall is mainly due to the excellent variety characteristics, unique cultivation methods, unique geographical areas, abundant water and soil conditions and good ecological environment. The large Wutong and Qishafeng obtained through many generations of purification and rejuvenation by Zhangqiu people are the cornerstones of the high quality of Zhangqiu green onions; deep ditching and high soil cultivation are important cultivation measures to ensure high green onions; the production area, especially Girl Mountain, has special soil Layer structure; the main irrigation water source for Zhangqiu green onions is the Xiujiang River originating from the Baimai Spring Group. The water is pure and rich in trace elements such as strontium and metasilicic acid. It is hot in summer and cold in winter, with moderate temperatures in spring and autumn. It is rainy and humid in summer and wet in winter and spring. The dry climate is most suitable for the rhythmic needs of the growth and development cycle of green onions. The unique quality of Zhangqiu green onions comes from the combination of five major factors: variety, technology, land, spring water and ecology.