1, spinach. Spinach has a certain cold tolerance, which can be planted in early spring and February, and can be harvested after 1-2 months. Spinach seeds are small, so they can be sowed directly by sowing. When sowing, sufficient base fertilizer should be applied, and seeds should be properly spaced after emergence.
2. Cucumber. Cucumber likes to grow in a warm environment, and the optimum temperature for its growth is about 20℃. In February, the temperature usually rises gradually. At this time, sowing can germinate quickly and it can be harvested after May-June. When planting cucumber, we should ensure that the pH of the soil is 5.5-7.2, so as to create a suitable growth environment for it.
3. Amaranth. The germination temperature of amaranth seeds is 10- 12℃. When planting, it should be provided with fertile loam or sandy loam plots, and it should be drained in time after the rainy season to avoid root rot of the plants.
4. Chinese cabbage. Chinese cabbage likes to grow in a cold climate. When planting, it should be provided with loose, fertile plots with good drainage performance, and thin fertilizer should be applied frequently during planting, which can speed up the ripening time.