Prepare spring spinach for cultivation
The growth period of spring spinach is relatively short and can be harvested 30 to 50 days after general sowing. Planting spring spinach plays an important role in quickly relieving the spring. Select the appropriate variety
After spring spinach is sown and seeded, the temperature is low and the sunshine gradually lengthens, and it is easy to develop convulsions through stages. Therefore, it is necessary to choose late-planting, leafy hypertrophy, high yield, and good quality varieties. Such as late-round Ye Bo, spring and autumn leaves, Liaoning round-leaf spinach.
Selected sites
In the bases that meet the conditions for the development of pollution-free vegetables, neutral acidic soils with gout, sunny, fertile, and cool water were selected. After the harvest, the soil was thoroughly turned and the roots were removed. Every 667 square meters of soil preparation and decomposition of organic fertilizer 3,000 to 4,000 kilograms, the adobe soil leveling fine, and made a narrow ditch, in order to facilitate rainy days drainage. Generally about 1.2 meters wide. In order to prevent the rain from soaking in the soil, the mulch should be covered with a film before sowing to facilitate sowing.
Suitable sowing
Spring spinach begins to sow when the temperature rises above 5°C after the spring begins. Generally no seeds need to be sown and sowing seeds and wet seeds can be used. It is also not necessary to pour bottom water before sowing, but to select fine sunny and morning sowing after soaking a layer of compost thick dregs or covering earth about 2 centimeters. The sowing rate is 4 to 5 per 667 square meters. kilogram.
Cultivation management
When spring spinach is planted, the temperature is relatively low. The plastic film is covered in the early stage and can be covered directly on the surface of the plant. It can also be covered with a small arch, which is conducive to heat preservation and early emergence. Immediately after the spinach emerges, the film is removed or replaced by a small shed. Also let the spinach seedlings more light, more hardening seedlings.
Note that the small arch sheds cover the night cover and the clear cover covers the rain. Select clear days and time to pick up the seedlings, and follow the weather, seedlings timely recovery of fertilizer.
In the early stage, the animal manure was applied lightly and diligently, and in the later period, especially 15 days before the harvest, the manure was stopped and the manure was stopped. Nitrogen fertilizer is sufficient, leaf growth is vigorous, and bolting can be delayed, which is conducive to the improvement of yield and quality.
However, attention should be paid to controlling the application amount of nitrogen fertilizer so as not to accumulate excessive nitrate in the leaves. During the middle and late stages of the growth of spring spinach, diseases and insect pests are prone to damage due to increased temperature. Diseases and insect pests mainly include locusts, laminae, and downy mildew, etc., and they must be promptly controlled.
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