How much is the latest price of raw lettuce? Please put away these high-yield planting techniques!

Lettuce is a vegetable originating from the Mediterranean coast of Europe. After it was introduced into China, it has become a widely cultivated and edible vegetable, and one kind of heading lettuce can be eaten raw. How much is the latest price of heading lettuce per jin? What are the high-yield planting techniques? The contents of the following introduction should be put away.

I. the basic situation of heading lettuce

1. The origin of heading lettuce

Lettuce is an annual or biennial herb, domesticated by wild species, and the earliest people in the world to use it were the ancient Greeks and Romans. Heading lettuce (also known as lettuce, heart-wrapped lettuce, iceberg lettuce, heart-wrapped lettuce, heart-wrapped lettuce) was gradually introduced and developed in China after the 1970s, originating in Central and Eastern Inland Asia minor or along the Mediterranean coast. North America, South America, Western Europe, Australia, New Zealand, Japan and many other countries are indispensable household vegetables in fast food, and they are planted in most parts of our country.

two。 The value of heading lettuce

Heading lettuce is a low-sugar, low-fat vegetable rich in vitamins, minerals and organic substances. It can increase appetite, relieve pain, lower cholesterol, open chest diaphragm, benefit qi, strengthen muscles and bones, remove bad breath, white teeth, clear eyes, milk, sedation, hypnosis, anti-cold, anti-inflammation, diuretic treatment of anemia, neurasthenia and so on. It is suitable for high blood pressure, heart patients, anemia patients and weak patients, but it is not suitable for people with eye diseases.

Second, how much is the latest price of heading lettuce per jin?

1. Price of lettuce and fresh lettuce

The price of heading lettuce varies with origin, transportation cost and variety. For example, the price of heading lettuce in Beijing Dayang Road Agricultural and sideline products Wholesale Market is 3.5yuan / jin, and the price of 0.3kg lettuce in Baiyun District of Guangzhou is 3.9yuan / jin.

two。 Seed price of heading lettuce

At present, the seed price of Ruili lettuce in Hejian City, Cangzhou City, Hebei Province: 1 yuan for more than one piece, 0.8 yuan for more than 20 pieces, and 0.5 yuan for more than 50 pieces.

Third, what are the high-yield planting techniques of heading lettuce?

Good planting techniques can not only improve the quality of crops, but also increase yield. Let's learn about the high-yield planting techniques of heading lettuce.

1. Selection of planting time and varieties of heading lettuce

Heading lettuce is suitable for cultivation in open field or protected field in spring and autumn, and the new varieties that can also be planted in early summer are Jingyou No.1, Huangdi and so on. Adapt to the season and a wide range of new varieties are: green Thunder, Green Dream and so on.

two。 Seedling raising techniques of heading lettuce

Soil preparation and application of sufficient organic fertilizer should be carried out before planting heading lettuce. The sowing time is calculated according to the harvest time and growth period, Kunming and central Yunnan can be sown almost all the year, but the quality and yield are good from October to April of the following year. Early-maturing varieties sowed in spring and summer, mid-late-maturing varieties sown in autumn and winter. In addition, before sowing, it is necessary to sprinkle enough water and sow evenly to keep the soil moist, and apply rare manure once after the seedlings; topdressing is to add a certain amount of phosphate fertilizer.

3. Planting techniques of heading lettuce

Apply sufficient base fertilizer before planting, the width of the border is 1 meter in rainy season, the height of border is 20-25 cm, double-row planting; in dry season, the width of border is 2-3 meters and 6-9 rows.

4. Watering and fertilizing and weeding management of heading lettuce

Fertilizer: the seedlings should keep the soil moist from planting to slow seedling stage. generally, the planting water should be fully watered, and then be irrigated again in about seven days, and then ploughed to preserve soil moisture. The water demand of lettuce during the growing period and the early stage of heart wrapping should always be kept moist. In the rosette stage, nitrogen fertilizer should be applied once with water, and water should be watered 2-3 times after planting. In order to promote root development, intertillage should be carried out in time to loosen the top and increase air permeability. The third intertillage should be carried out before the ridge is closed, and weeding should be carried out in time, and the intertillage should not be too deep.

5. Pest control of heading lettuce

During the growth of heading lettuce, it is easy to be attacked by aphids, cabbage worm, cotton bollworm, downy mildew, soft rot, top burn and other diseases and insect pests. Prevention and control measures should be taken in advance to select pesticides with high efficiency and low toxicity and harvest lettuce with moderate tightness and tightness in time.

In addition, in the heading lettuce harvest, it should be cut from the ground, and retain 2-3 old leaves for long-distance transportation.

How much is the jujube seed per jin? Seed price and planting method of Ziziphus jujuba

Jujube, also known as chicken claw company, golden hook pear, jujube, etc., is a deciduous tree plant of the family Rhamnaceae. The fruit stalk contains a lot of glucose and potassium malate. It can be eaten raw or brewed after frost, and the wood is of moderate hardness and beautiful texture. for construction and furniture and art handicrafts and other materials, let's take a look at the jujube seed price and planting method!

How much is the jujube seed per jin?

The price of jujube seed is about 2540 yuan per jin, but it varies according to the quality, variety, producing area and market of the seed. Jujube trees are distributed in all parts of the Yellow River and Yangtze River basins in China. In production, they are mainly propagated by seeds, and can also be propagated by pressing and dividing roots. Generally, they are planted for 5 to 6 years before they begin to hang fruit. The flowering period is June, and the fruiting period is from August to October. According to the modern dwarfing branch pulling technique, the fruit can be put forward to 3 ~ 4 years.

Planting conditions of Zizyphus jujuba

Zizyphus jujuba has a long history of cultivation and utilization in China, with a height of more than 10 meters, strong ability to adapt to the environment, drought resistance, cold tolerance, and tolerance to barren soil. It often grows in valleys, streams, roadsides or humid hills below 1000 meters above sea level, and is often cultivated next to courtyards and houses, often mixed with other evergreen and deciduous broad-leaved trees. If the soil is deep, fertile and moist, it can grow rapidly.

How to reproduce the seeds of Ziziphus jujuba?

1. Seed collection: when the seeds are ripe in November, the seed coat is reddish brown, a fruit contains 3 seeds, the seed coat is leathery, the embryo is yellow and white, and it is not easy to absorb water.

2. seed germination: the seeds of Ziziphus jujuba were germinated by wet sand stratification method after harvest, and a layer of wet sand was stored in one layer, and the radicle bulge could appear in 50-60 days.

3. Sowing method: the seeds of Ziziphus jujuba can be sowed on demand or in strips. Before sowing, complete the seedling bed (small bed) with a depth of 2 to 3 cm, and then cover the bed with straw and water thoroughly. The sowing amount is about 10 jin per mu.

4, seedling stage management: jujube seedlings should be often watered and fertilized to promote growth, grow 3 to 5 true leaf time seedlings, stay strong to weak, and can be transplanted when they grow to 70 cm to 100 cm.

Planting method of Zizyphus jujuba

1. Land selection and land preparation: jujube has strong adaptability and is born in a sunny, moist, fertile soil and good drainage environment with neutral ph value. after selecting the land, dig a pit of 1 meter in depth and width, dig a fish scale pit on the slope to prevent soil erosion, and apply more litter into the pit for planting trees.

2. Post-planting management: the growth of jujube seedlings is slow, so it is necessary to strengthen the management of young trees, loosen the soil and weed in spring and summer, water in time during drought, and apply fertilizer three times in March in spring, June in summer and November in winter to promote growth.

3. Shaping and drawing branches: when the young tree grows to 1-1.5 meters in the second year after jujube planting, bend the main pole and let it divide into secondary branches, and then use the same pulling technique to make the branches spread in all directions, which can bear fruit early and bear more fruit, so as to increase economic income.

4. Pest control: Zizyphus jujuba has strong vitality and good disease resistance. leaf blight and aphids are common in the seedling stage. before and at the beginning of the disease, the leaf blight is controlled with Bordeaux solution of 1% and 400%, and the aphids are sprayed with 2000 times dimethoate solution.

5, harvest processing: jujube is picked when the pedicel turns red and brown after several frosts after Frosts Descent in November, cut off the fruit branches and store them in a cool place, which can be sold fresh or dried and pressed juice after ripening for 7 to 10 days.

How much is the price of soft jujube kiwifruit per jin?

Kiwifruit is a kind of fruit that we are familiar with. There are many varieties, such as red heart, yellow heart and green heart. Soft jujube kiwifruit is a kind of kiwifruit, the shape is similar to kiwifruit, the nutritional value is very high, rich in vitamins, so how much is this soft jujube kiwifruit per jin?

How much is the price of soft jujube kiwifruit per jin?

The market price of soft jujube kiwifruit is relatively high, generally about 50 yuan per jin. Actinidia chinensis is one of the most successful wild fruit tree varieties in artificial domestication. Its vitamin C content is 80 to 100 times that of apple and pear and 5 to 10 times that of citrus. It also contains amino acids, Vc, carotenoids, magnesium, iron, potassium, sodium and other nutrients, which can nourish and strengthen the body, invigorate the body and moisturize the lungs.

What are the benefits of soft jujube kiwifruit?

1. Stabilizing mood: soft jujube kiwifruit can regulate intracellular hormones and nerve conduction effects, can effectively help patients with depression to stabilize their mood and calm their mood, and the natural inositol it contains can contribute to brain activity. the effect of promoting this kind of emotional stability can be guaranteed.

2. Anti-cancer and anti-cancer: soft jujube kiwifruit contains a substance called anti-mutation glutathione, which helps to inhibit the induction of cancer gene mutation and has a certain inhibitory effect on cancer cells such as liver cancer, lung cancer, skin cancer, prostate cancer and so on.

3. Strengthening physique: soft jujube kiwifruit is also a nourishing and strong product, in which nutrients can significantly improve body activity, promote metabolism, coordinate body function, block carcinogens, strengthen physique, delay aging, and prevent cardiovascular diseases.

4, beauty: soft jujube kiwifruit rich in vitamin C has antioxidant function, has a positive role in eliminating human wrinkles and fine lines. In addition, kiwifruit is rich in vitamins and dietary fiber, but the amount of fat is low, which has a certain effect on weight loss and bodybuilding, beauty and beauty.

5. Detoxification and clearing intestines: soft jujube kiwifruit is very rich in dietary fiber, which can not only reduce cholesterol and promote heart health, but also help digestion, detoxification and prevent constipation. Can effectively remove and prevent the accumulation of harmful metabolites in the body.

What is soft jujube kiwifruit?

Actinidia chinensis is a large deciduous vine of Actinidia and Actinidia. Branchlets basically glabrous or scattered softly tomentose or velutinous when young, leaves membranous or papery, ovate, oblong, broadly ovate to suborbicular, apex acute mucronate, base rounded to shallowly cordate, abaxially green, inflorescences axillary or extraaxillary, bracts linear, flowers green-white or yellowish green, fragrant, sepals ovoid to oblong, petals cuneate-Obovate or ladylike-Obovate, filaments filiform, anthers black or dark purple Oblong-arrowhead-shaped, fruit globose to columnar-oblong, 2-3 cm long, green-yellow or purplish red at maturity. The longitudinal diameter of the seed is about 2.5 mm.

This species has strong differentiation and wide distribution. China is distributed from the northernmost bank of Heilongjiang to the Wuling Mountains in southern Guangxi. Born in mixed forests or mixed trees with plenty of water.

Fruit medicine, for strength, antipyretic and astringent; it is also a food with high nutritional value. The fruit can not only be eaten raw, but also make jam, canned fruit, canned fruit, wine and so on. Flowers are the source of honey, and fragrant oil can also be extracted. This species can be used not only as an ornamental tree, but also as a fruit tree.

Matters needing attention in eating kiwifruit

First of all, we should pay attention to the taboos of kiwifruit and which foods can not be eaten together. Milk, crabs, carrots, animal livers, cucumbers and so on had better not be eaten with kiwifruit so as not to cause physical discomfort.

Second, because kiwifruit is a cold food, so menstruation and pregnancy is to eat properly, do not eat too much, and mothers-to-be with threatened abortion should pay more attention to eat less of this kind of cold food.

In addition, after eating pickled vegetables such as sauerkraut, we are advised to eat kiwifruit. Why? Because pickled sauerkraut, vitamin C has been lost, and kiwifruit is rich in vitamin C, a kiwifruit can almost meet the daily vitamin C needs of the human body, so it is a good choice!

Finally, it is also important to pay attention to giving the baby kiwifruit, because according to a British scientific study, among the 300 respondents, there are 80 children, of whom 2jump 3 will have adverse reactions when eating kiwifruit for the first time, especially when the baby is under one year old, so when mothers give their baby kiwifruit, it is best to dip some juice into it and make sure it is all right before giving it to the baby. So as not to cause allergies.

As mentioned above, the soft jujube kiwifruit is not much different from the ordinary kiwifruit, but the yield of the soft jujube kiwifruit is less, the taste will be sweeter and the nutrition will be higher, so the price is much higher than the ordinary kiwifruit, the so-called scarcity is precious, there is also a certain reason.