1, autumn spinach can generally be planted twice a year, with more sowing in autumn, and the time from sowing to harvesting is generally within 60 days. Suitable places for spinach can be planted all year round. Spinach is afraid of heat. If the temperature reaches above 25℃, it will affect its growth and development. The optimum growth temperature is 65438 05 ~ 25℃. Second, coriander coriander likes to be warm and cool, suitable for autumn planting. Generally, it can be planted after the middle of August. The growth period is short, the roots are shallow, and it is not drought-tolerant. It is necessary to water 1 time every 5-7 days to keep the soil moist.

2. Autumn Chinese cabbage has strict requirements on temperature conditions. The optimum growth temperature is between 10 and 22 degrees Celsius. At this time, you can choose the right variety to sow. Fourth, the planting time of autumn radish is generally from September to 65438+ 10, and autumn carrots are generally planted around beginning of autumn. When sowing in autumn, it is best to choose those varieties with disease resistance, high yield and high quality.

3. When the temperature is between 18 ~ 20℃, vegetables grow fastest. When the temperature is lower than 8℃ or higher than 25℃, it will affect the growth of collapsed vegetables. Autumn planting is the most suitable, and the varieties should be cold-resistant.

Lettuce is usually planted in September in autumn. It is best to use soil with high humus content or garden soil. Water evenly, sow, cover with 1 layer of thin soil, and then water 1 time every two or three days to keep the soil moist. Lettuce seedlings can be unearthed in about 15 days.