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History of Chinese green onions planting and proper fertilization

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History of Chinese green onions planting and proper fertilization

Release date:2018-12-22 Author:shangzhuofood Click:

The earliest introduction of the original variety of spring onion can be traced back to the famous book guan guan of the state of qi in the warring states period: "in the fifth year of huan gong, northern expedition of shanrong, winter spring onion and rong pepper were gained, and the world was ruled by cloth". The fifth year of qi huan was roughly equivalent to 681 BC, which was the beginning of the planting of spring onion in zhangqiu region. It can be inferred that the planting of green Onions in zhangqiu area has a history of nearly 3,000 years. Nine years jiajing of the Ming dynasty (1530 years) the chapter grave county annals, there are also records of green Chinese onion planting, and there are four poetry: the peasant come down on the "da Ming jiajing nine year anniversary, young woman fairy green massage, long live food sweet crisp, green seal" the king of the decree, which means in the Ming dynasty, chapter grave green Chinese onion was the royal seal is the king in the onion, green Chinese onion cultivation has been widely grown in chapter grave area and as the regnant tributes.

Chinese onion is fond of nitrogen and potassium fertilizer. For every 1,000 kg of Chinese onion products, nitrogen 3 kg, phosphorus 0.55 kg and potassium 3.33 kg should be absorbed from the soil. Generally, 100 kg of high-nitrogen and high-potassium compound fertilizer is required for every 667 m squared. The fertilization period should be determined by stubble, and it is generally required that the base fertilizer should be applied with a compound fertilizer of about 40kg. After the combination of sealing water, each time about 20 kg. High temperature, rainy season green onion growth is slow, should not be too much topdressing.


 Chinese green onions

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