Traditional Culture Encyclopedia - Weather inquiry - Is it suitable to grow summer spinach in greenhouse? What is its cultivation technique?
Is it suitable to grow summer spinach in greenhouse? What is its cultivation technique?
At the same time, add 40 kilograms of calcium superphosphate to the field, and then level the soil. Spinach is suitable for high border in spring and summer, and suitable for flat border in summer and autumn. The border is one to two meters wide. According to different seasons and eating methods, it is divided into: overwintering spinach with big root stubble, overwintering spinach with small root stubble, submerged spinach, spinach with fire leaves, spinach with soup, spinach with green head, spinach with red head and so on. In the vast areas of northern China, the overwintering stubble and soaked spinach, which are mainly listed in March and April in spring, are watered before winter to make the root system develop deeper. After two real leaves appear, they will accelerate their growth, water them in time, and apply nitrogen-based quick-acting fertilizer. When the leaves stop growing in winter, 4-6 leaves can safely overwinter.
In the long sunshine environment, it will also bolting and flowering; It is more suitable for growing in the environment of low temperature and short sunshine, and can form high-quality products. Spinach is rich in nutrition and is a kind of vegetable that people like very much. Planting winter spinach can supply the early spring market with good economic benefits. The germination rate of spinach seeds can be improved by accelerating germination and sowing. But when sowing, we should apply sufficient base fertilizer, carefully prepare the soil, and water the soles of our feet before sowing. After sowing, spray water or water once every morning and evening to keep the soil moist until seedlings emerge.
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