Spinach cultivation techniques: how to grow summer spinach?

How to grow over-summer spinach? Please introduce in detail the planting methods of over-summer spinach can refer to the following list: 1. Summer spinach protection measures: high temperature and rainy summer, serious virus disease, and spinach is not resistant to high temperature, shading and rain protection measures should be taken during cultivation. Method 1. Using the greenhouse or arch shed where the old film has not been removed, add a sunshade net with a width of 2 meters and a light transmittance of 60% to 70% on the greenhouse film, and cover one another to reduce the temperature in the greenhouse. Method 2. Add an anti-insect net. Aphids and gray planthopper are the vectors of virus disease. the use of insect control net to prevent these vectors from entering the greenhouse is one of the main techniques for growing over-summer spinach. Before planting, an anti-insect net of 60-70 mesh can be added around the arch shed or on the south side of the greenhouse, so that the ventilation is not affected, and the virus transmission vector can be safely isolated to enter the greenhouse. 2. Select heat-resistant spinach varieties: K4, K5, K6, K7 produced by Bijiu Company of the Netherlands and Sheng Bifeng produced by Novartis Company are generally selected. These varieties are generally able to withstand the high temperature of 34 ℃, and K7 performs best. The sowing period is from May to September. 3. Ridging cultivation of spinach: practice has proved that spinach cultivated in summer is most afraid of moisture, and it is easy to get stem rot when cultivated in the border, while the base of the leaves cultivated on the ridge is well ventilated and is not easy to get sick. Generally, there is a ridge every 50 cm, 2 rows per ridge, 1 hole every 5 cm, 2 seeds per hole, about 1 kg per mu. 4. Fertilizer and water application of over-summer spinach: spinach likes the soil with fertile, alkaline and high humus content, so it is necessary to re-apply organic fertilizer during cultivation. Generally, 1000 kilograms of rotten chicken manure and 2 kilograms of boron and magnesium micro-fertilizer are applied per mu, and 15 kilograms of potassium nitrate is best used for topdressing. In watering, you should pay attention to dry watering and draw a hoe after watering. 5. Disease and pest control of over-summer spinach: over-summer spinach is prone to plant rot, anthracnose and so on. Dasheng M45, carbendazim and methyl thiophanate can be sprayed every 7 days to prevent it in advance. Attention should be paid to killing insects and preventing the spread of insects when preventing virus diseases. It is also necessary to do a good job in shading, rain prevention and soil drought prevention, and increase the application of organic fertilizer, potash fertilizer and micro-fertilizer. Spray phytotoxin and virus an every 7 days to prevent the occurrence of virus diseases. The main pests are Liriomyza huidobrensis, mites, aphids and so on, which can be sprayed every 7 days. 6. Harvest of over-summer spinach: harvest in time when spinach grows to 20cm to 30cm high. The temperature is high in summer, spinach is not resistant to high temperature, it is bad to say bad, and the harvest would rather be early than late. Click to get more spinach planting techniques click to get more vegetable planting techniques