There are many precautions for cultivating cucumbers in the open field. Do you think it's weird?

Although cucumbers can be planted in open fields all over China, due to China's vast territory and great differences in climate conditions between north and south, the suitable planting time should be determined according to the growth habits of cucumbers, that is, the requirements of normal growth and development of cucumbers on environmental conditions. When cucumber is planted in the open field, it is usually planted in spring or autumn. In spring, the temperature is around 16 ~ 18℃, which is basically suitable for planting, that is, during the period from Tomb-Sweeping Day to Grain Rain.

According to the growth habit of cucumber varieties, it follows the natural growth law of cucumber; The fourth is to meet the sunshine demand point of cucumber growth; Judging from the above reproductive characteristics of cucumber planted in the open field, Qingming Grain Rain solar term is the best suitable time for cucumber planting. Cucumber in the greenhouse has been growing in the greenhouse; Cucumber in a small arch shed is planted in a small arch shed, and the small arch shed is removed in frost period to make cucumber seedlings grow in the open air covered with plastic film; Plastic film mulching means planting cucumber in plastic film and growing it in the open air all the time.

Widely distributed in temperate and tropical regions, there are many areas where cucumbers are planted in China, including open field, greenhouse, spring and autumn. Cucumber blooms and bears fruit in summer, so it becomes one of the most popular vegetables in summer. In order to plant farmyard manure that needs to be thoroughly cooked before planting, the manure should be deeply turned into the soil and then leveled. Use a hoe to dig two small ditches 10cm in the vegetable field, and wait until the water permeates before sowing. Generally, two seeds should be planted in each hole, and then the ridge should be covered with plastic film.

When planting, selecting suitable cucumber varieties plays a key role in high quality and high yield of cucumber. For example, for cucumbers planted in spring, we should choose excellent varieties with good low temperature resistance in the early stage of planting, good high temperature resistance and good disease resistance in the later stage of cucumber growth. At present, there are three main planting modes of cucumber in the open field: spring, summer and autumn. According to the different facilities and cultivation seasons, protected areas can be divided into autumn and winter crops, winter crops and winter and spring crops, plastic greenhouses and small plastic arches in early spring and late autumn crops.