How to grow coriander planting techniques of coriander

Coriander is not only an indispensable seasoning ingredient in our life, but also a very nutritious vegetable. Often eating it is of great benefit to our health and is deeply loved and pursued by consumers. There are people in life who don't like to grow coriander. Cilantro likes a cool climate. Let's learn how to grow cilantro with Xiaobian.

How to grow coriander

The open field planting method of coriander:

It can be cultivated in open field in spring, autumn and winter. When planting, you should not water too much at the seedling stage. When the seedling grows to 10 cm, the plant will grow vigorously. You should water the soil frequently, keep the soil surface moist, and apply available nitrogen fertilizer 1 to 2 times at the same time. Summer should be properly shaded, and prevent rainstorm erosion, timely drainage after rain to ensure neat emergence of seedlings.

The planting method of coriander in greenhouse:

It is usually direct seeded from September to October and is irrigated with frozen water before winter to facilitate the seedlings to survive the winter. When the seedlings turn green, ploughing, loosening the soil and weeding are carried out. When the seedling height was 10 cm, the plant entered the vigorous growth period, and the greenhouse was kept at 15 ℃ to 25 ℃. About 15 kilograms of ammonium sulfate per mu, topdressing 1 to 2 times, can be harvested in advance.

Planting techniques of coriander

1. Variety selection

There are large leaf varieties and leaflet varieties. Large leaf varieties have high plant height, large leaves and high yield, while small leaf varieties have short plants, small leaves, strong aroma, cold tolerance, strong adaptability and slightly lower yield. There are many varieties of cultivated leaflets.

2. Land preparation

2000-3000 jin of farm manure, 10 kg of diammonium phosphate and 10 kg of potassium sulfate were applied per mu to level the land. The use of strip sowing or sowing, strip sowing, sowing are covered with soil 2-3 cm, 3-4 jin per mu. Step on it with your foot after sowing, or suppress it with a leveling tool, and then water it to keep the soil moist to facilitate seedling emergence. At the same time, we should also pay attention to the phenomenon that the top of the seedling is not unearthed due to the soil consolidation before the coriander is unearthed, and check the seedlings in time after sowing. If the phenomenon of soil consolidation is found when the seedlings are unearthed, it is necessary to spray water to loosen the soil in order to help the young buds to grow normally.

Matters needing attention in planting coriander

1. Main points of reproduction: the main mode of reproduction of coriander is sowing and reproduction.

Coriander can be planted in spring in the southern provinces and in spring and summer in the north. Before planting coriander, it is necessary to sow and raise seedlings. After the seeds are collected, their skins should be rubbed open, and then placed in a watered basin soil. The seeds will germinate in about seven days. After germination, the coriander seeds can be moved to a place with rich soil.

2. Temperature and fertilization: coriander grows fastest when the external temperature is between 15 and 20 degrees. If you plant it in summer, you should pay attention to cooling. Topdressing had better not be topdressing. If the basal fertilizer is not enough, extra-root topdressing can be carried out about 10 days before harvest. Spraying urea with a concentration of 1.5% can be sprayed twice. Spray rotten organic fertilizer every half a month. If you want to keep your own seeds, you need to add some phosphate fertilizer appropriately.

3, watering key points: generally do not water before fixing seedlings, in order to control up and down, squatting seedlings strong roots. It is advisable to irrigate the stable seedling water once after the seedling is fixed, and the amount should not submerge the seedling. With the vigorous growth of seedlings, the water demand gradually increased, and the watering interval gradually shortened. Basically, during the whole growth period, there were 5 shallow water and 7 times of shallow water. The first three water should be watered at an interval of about 10 days, and the interval from the fourth water should be 6 cents for 7 days. Always keep the soil moist and control shallow water before harvest.

4. Disease control: the disease of coriander is less. Because it is planted in the open field, and now is the period of high incidence of insect pests, vegetable farmers should give priority to the prevention of insect pests, which can be prevented with 0.5% methylvitamin salt 4000 times or 2.5% vegetable suspension 1000 times, once every 5 to 7 days.

Nutritional value of coriander

Coriander (coriander) is rich in nutrition, including vitamin c, carotene, vitamin b1, b2, etc., as well as minerals such as calcium, iron, phosphorus, magnesium and so on. Its volatile oil contains mannitol, n-sunflower aldehyde, nonanal and linalool, which can appetizer and awaken the spleen. Parsley also contains potassium malate. Coriander (coriander) contains much more vitamin c than ordinary vegetables. people can meet the demand for vitamin c by eating 7 to 10 grams of coriander leaves; carotene in parsley is more than 10 times higher than tomatoes, beans and cucumbers.

Through the above content, I believe you have a certain understanding of the coriander planting method. Coriander is very important in our life, whether it is cooking or eating hot pot, dry pot, snacks without the assistance of coriander, friends who like to eat cilantro can also stir-fry parsley, but also very fragrant and delicious!