Description                
                                
        
          
Growth environment
Rocket vegetable likes a cold, humid climate, has strong cold tolerance, can tolerate short-term low temperatures below -2°C, and the suitable temperature for seed germination is about 25°C. The optimum temperature for plant growth is 20-25°C. Rocket cabbage has higher water requirements and suitable water conditions can promote plant growth and improve leaf quality. Rocket cabbage is a light-loving plant with plenty of sunlight and the plant grows quickly. Rocket vegetable has strong adaptability to the soil and can grow in almost any soil, but sandy loam or loam with loose and fertile soil, water and fertilizer retention, and good aeration is suitable.
Cultivation Techniques
(1) Cultivation season and cultivation method. Rocket vegetables can be cultivated in open field, hydroponics, or sprout production. South my country is suitable for cultivation from late autumn to spring. In cold and cold areas, it can be planted in installments and batches annually to achieve annual harvest and market. In the southern summer, set up shelters to prevent scorching sun and rainstorms.
(2) Seeding. Rocket vegetable grows quickly, so it is best to use direct seeding. It should be planted in a fertile, loose, and convenient soil for irrigation and drainage, and sufficient base fertilizer should be applied before sowing. When sowing, it can be withdrawn or drilled. Drill in shallow furrows with a row spacing of 8-12 cm, generally 250-300 grams per mu. After sowing, it is advisable to cover with a black sunshade net or other covering and water it thoroughly. After 3 days, the sunshade net and other coverings should be removed in time. Generally, the seedlings can be harvested within 4-5 days.
Field management
Rocket vegetable seedlings with 2-3 slices can be combined with thinning and fixed seedlings to harvest young plants. When thinning and fixing seedlings, the weak and inferior seedlings should be removed, and the weeds in the field should be removed. After thinning and fixed seedlings are completed, topdressing is appropriate depending on the growth of the plants. Top dressing is mainly urea quick-acting fertilizer, and top dressing is performed every 7 days. It is not advisable to topdress dilute manure water 5-7 days before harvest, so as not to affect the quality. 'Rocket vegetables have a higher water requirement. During the growth period, the soil should be kept as moist as possible. Except for rainy days, it needs to be watered every day to keep the leaves tender and reduce its strong spicy and bitter taste.
Harvest in time. 
Rocket vegetables grow rapidly, and timely harvesting is the key to high quality and high yield. Seedlings can be harvested about 35 days after sowing.