Why is spinach called spinach?

Spinach, formerly known as Persian grass, was called spinach because it was introduced into China from Persia (now Iranian). Spinach originated from Persia in West Asia 2,000 years ago, and spread to Spain and other western European countries by Moors in North Africa. According to Don Yao Hui, spinach seeds were introduced into China from Nepal as a tribute during the reign of Emperor Taizong.

Spinach is a cold-tolerant vegetable, seeds can germinate at 4℃, the optimum temperature is 15 ~ 20℃, the optimum temperature for vegetative growth is 15 ~ 20℃, the growth is poor above 25℃, and the aboveground part can tolerate -6 ~ 8℃ low temperature. Spinach is a long-day crop. Under the condition of high temperature and long sunshine, plants are easy to blossom at jointing stage, and the requirements for sunshine intensity are not high, so they can be interplanted with tall crops.

Extended data:

Spinach leaves have large area, soft tissue and high water demand. Sufficient moisture, thick meat when growing vigorously, high yield and good quality. Under the conditions of high temperature, long sunshine and drought, vegetative growth is inhibited, reproductive growth is accelerated, and premature bolting is easy.

Spinach has strong adaptability to soil, but it is better to keep water and fertilizer in fertile soil. Spinach is not acid-resistant, and the suitable pH value is 7.3 ~ 8.2. Spinach is a leafy vegetable, which needs more nitrogen fertilizer and appropriate amount of phosphorus and potassium fertilizer.

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