Cultivation techniques of bitter Chrysanthemum

At present, people are more and more fond of green and healthy vegetables, and bitter chrysanthemum is very popular because it can clear away heat and detoxify. More and more farmers begin to plant bitter chrysanthemum. So what are the cultivation techniques of bitter chrysanthemum?

I. cultivation techniques of bitter chrysanthemum

1. Sowing: bitter chrysanthemum likes cool climate, and the soil suitable for planting bitter chrysanthemum is mainly rich and loose sandy loam or clay. Before sowing, first apply sufficient base fertilizer, fertilizer with mature farm manure 1000-2000 kg, and then prepare the land, the width of the border is 0.8-1.0m, open a small ditch 8 cm deep on the border surface, the distance between the ditches is 12 cm, and then spread the seeds evenly on it, covering a thin layer of fine soil with a thickness of about 0.5cm.

two。 Management: seeds can emerge 4-5 days after sowing, and appropriate amount of water can be sprayed after emergence to avoid excessive soil drought. When the leaves of the seedlings grow to 4-5, the seedlings should be replaced or replenished, and at the same time, combined with weeding, if the diseased or weak seedlings are pulled out in time and taken out of the field to burn or bury, to prevent the spread of diseases and insect pests, loose soil is to pay attention to the action slightly, so as not to damage the roots of the seedlings.

3. Water and fertilizer: a small amount of water can be irrigated in the seedling stage, and the water should be sufficient in the vigorous growth period of stems and leaves. If there is no water, the bitter taste of bitter chrysanthemum will be too heavy, and the amount of water can be reduced appropriately in the later growth stage. In the plant growth stage, fertilization is carried out according to the growth situation, and 1000-1200 kg of mature farm manure is available per mu.

4. Pest control: the diseases and insect pests of bitter chrysanthemum include downy mildew, virus diseases, aphids and so on. Downy mildew can be sprayed with 80% Sedford wet powder 500-600 times, once every 10 days, 2-3 times in a row. Virus diseases can be sprayed with 500 times of 0% virus A wettable powder, once every 10 days, 2-3 times in a row. Aphids can be sprayed with 80-1000 times of 40 grams of aphids to control aphids half a month before harvest.

Second, the function of bitter chrysanthemum

Bitter chrysanthemum is rich in protein and essential elements such as calcium, iron and magnesium, which can be used to develop a new type of green nutritious food. Using bitter chrysanthemum as the main raw material and supplemented with other foods, Zhang Kuichang made new nutritious foods such as health noodles, health steamed bread and health jelly, which enhanced the taste of the food and added more nutrients. Bitter chrysanthemum contains effective antioxidant ingredients, can effectively eliminate human free radicals, has a good anti-radiation and enhance human immunity, is a very reliable health food. Fresh and tender bitter chrysanthemum as raw material supplemented with soybean filter pulp can produce bitter chrysanthemum bean curd with bright color and higher nutritional value. Bitter chrysanthemum and fresh milk can also be used as the main raw materials to produce bitter chrysanthemum yoghurt after fermentation by lactic acid bacteria. These new nutritious foods not only have more nutritional content than traditional foods, but also meet the contemporary people's pursuit of food quality, which makes the new food with bitter chrysanthemum as raw material more loved and respected by people.

Bitter chrysanthemum has high edible value and medicinal value. At present, it is planted more and more widely and is loved by urban and rural residents.