Introduction of asparagus planting time and field management methods!

Asparagus is a kind of perennial herb commonly used in young seedlings, which is called "spring vegetable". It is planted all over the north and south of our country. The following is to introduce its planting time and field management methods, the majority of growers can look carefully!

I. related situation of asparagus

1. Asparagus producing area

Asparagus is the seedling of asparagus, a perennial herb that can be eaten as vegetables, also known as southern asparagus, asparagus, asparagus and so on. There are two kinds of unearthed white bamboo shoots and green green ones. At present, China is the largest asparagus producing country, in which the relatively concentrated producing areas are distributed in Xuzhou, Jiangsu, Heze, Shandong and other places. In addition, asparagus grows and distributes in Peru, Germany, France, Spain, the United States, Japan and so on.

two。 The value of asparagus

Asparagus is rich in vitamins, trace elements and various amino acids. Asparagus is often eaten with the effects of reducing swelling and diuresis, anti-oxidation, strengthening bones, reducing fat and weight loss and anti-cancer. It can be cooked with lilies, pork, chicken and other ingredients.

3. Asparagus price

At present, the average price of asparagus in Beijing Dayang Road Agricultural and sideline products Wholesale Market is 12.5 yuan / jin, that in Shaoxing City, Zhejiang Province is 10 yuan / jin, and that in Shunxin Shimen Agricultural products Wholesale Market in Beijing is 21 yuan / jin.

Second, asparagus planting time

1. Asparagus protected cultivation is generally selected for more than 2-3 years of bamboo shoot field, planted in the spring every year, generally 4-10 years after planting is the peak yield period. If it is planted in the open air, it will be planted from April to May and from July to August; if it is planted in the greenhouse, it will be raised from August to September and planted in October.

two。 In the warmer eastern China in winter, the first sentence is covered with plastic film from January to February, and the harvest period is usually from late January to late March, and the plant culture is carried out after harvest. In South China, the middle sentence was covered with plastic film in December, the middle sentence sprouted in January and entered the harvest period until the end of April.

III. Asparagus field management methods

1. Asparagus can be propagated in small arch shed or greenhouse, because the seedling stage is long, it is suitable to use nutrition bowl to raise seedlings; about 20 days after emergence, a certain amount of fertilizer should be sprayed so that the seedlings can thrive.

two。 Asparagus seedlings should be ploughed comprehensively and deeply before planting, and commercial organic fertilizer or rotten farm manure should be used per mu. After turning them deep into the soil, asparagus seedlings should level the ground and be used as planting beds to open planting ditches.

3. When the plant height reached 10 cm after planting, trench manure was opened on both sides of the planting line, and urea 6-9 kg and potassium chloride 4-6 kg were applied once every two weeks until two months before the frost. After 2-3 years of plant cultivation, it can enter the protected cultivation stage. In the protected cultivation stage, the spring mother plant is kept every spring about the first ten days of April, and holes should be dug to increase fertilizer application. After that, the topdressing was mainly carried out every 15-20 days according to the plant growth.

4. In the process of asparagus growth, traditional Chinese medicine should pay attention to hollow asparagus, deformed asparagus, tender stem cracking, adjust the amount and frequency of fertilization and watering, and pay attention to the prevention and control of stem blight, brown spot, grub, mole cricket and other diseases and insect pests. Different agents are used according to different situations.

It is not difficult to plant asparagus, but the soil, the amount of fertilizer, the ratio of fertilizer, watering times and interval are all very important.