Commercial cultivation technology of purslane

Portulaca oleracea, also known as melon seeds and horses, is one of the common wild vegetables in the north and south. The purslane is extremely strong, and it can be seen on the edge of the vegetable garden and farmland. It is a common weed in the field. Portulaca oleracea is a dual-use plant that is now grown as a vegetable or drug.

Wild purslane can not meet the market demand, so it is necessary to artificially domesticate and cultivate commercial purslane. Now, the cultivation techniques of purslane are shared as follows, I hope to help you:

First, the variety selection

Variety type

The wild purslane has broad-leaved locusts, narrow-leaved locusts, and ornamental crickets. The narrow-leaved locusts are cold-tolerant and early, but the plants are short; the broad-leaved garden leaves are large and thick, but they are not cold-resistant, and they are more resistant to early; Therefore, it is generally used for artificial cultivation of broadleaf.

(1) According to the purpose of the purslane, it is divided into the vegetable fangs and the ornamental purslane.

(2) According to the plant morphology classification, it is divided into vertical type, semi-erect type and scorpion type, and most of them belong to semi-erect type.

(3) According to the size of the petal, it is divided into small petal type and large petal type.

At present, wild purslane are mostly sputum or semi-erect, yellow flowers and small petals.

2. Cultivars

(1) Dutch dentate: rapid growth and high yield.

(2) Wild purslane

(3) Small Ryukyu Purslane: Produced in Ryukyu, Taiwan, China.

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Second, the cultivation period

Portulaca can be planted from spring to autumn. The spring sowing quality is soft and tender. Sowing in summer and autumn is easy to flower and rough. Generally, it can be sown between 2 and 8 months. Plastic greenhouses, mulch, greenhouse cultivation, can be sown in one year, without strict seeding period. In the specific cultivation season, Guangdong, Hainan and other regions will start planting in late February, and will be harvested in November; rivers and Zhejiang will be planted in the middle and late May in spring. If planted with protected land, it can be planted in advance in April. From June to August, it is a prosperous period; in the north of China, the open field cultivation is planted in the middle and middle of June. Seeding is to be carried out when the temperature exceeds 15 °C. In the open field cultivation, it can be planted in stages from May to August and harvested successively until October. Winter greenhouse cultivation can be planted from August to March of the next year, and harvested in batches from October to May. It can also be produced in summer, and should be arranged according to different regions and different facilities. However, because the purslane is a high-temperature vegetable, it must be paid attention to during winter production.

Third, the seeding method

Portulaca oleracea is a warm-warming crop. It prefers a sunny, warm, and fertile environment. It has strong vitality, stems can store water, and has strong regenerative capacity. The adventitious roots can grow quickly around the incision or wound, and the wild purslane can be harvested. Planting. It can be planted from spring to autumn, and can be planted after April 20. The early spring seeding is relatively late, it takes 7 to 15 days, and the late spring and autumn sowing is only 4 to 6 days.

Live broadcast method

The purslane can be planted in the open field after the spring breaks the frost. If it is listed in advance, it can be planted in the protected area. The seeds of the purslane are small, so it is necessary to finely plan the ground and use the strip as well. Every 667 m 2 is 4,000 kg of suspected fertilizer, the depth of ploughing is 15~20 cm, the clods are broken, the blemishes are flat, loose and soft, and the width is 80~100 cm, and the width is 30~40. cm. Open the two sowing shallow trenches 20~25 cm wide. Because of the small weight of 1000, the 667 m 2 is about 100 g. Because the seeds are small, they need to be mixed with fine soil for re-broadcasting, and then covered with 0.5 cm thick sieved fine soil. After the broadcast should pay attention to heat preservation and moisturizing. It can be emerged 2 to 3 days after sowing. At the time of sowing, in order to make the seeding density uniform, 100 times seed weight of fine sand can be added to the seed for decontamination. Because the seeds are easy to fall into the pores of the soil, it is only necessary to lightly cover the topsoil after the sowing. If the soil is dry, use a watering can to spray the brown noodles. Protect the seedlings, cover the mulch and cover the shed after the sowing, and remove the mulch immediately after emergence. Seedlings can be transplanted if the seedling height is 5 cm or more. The growth of the dentate fan seedlings is very slow. It is necessary to pay attention to the removal of weeds. When the seedlings grow to 3~4 PCT, the seedlings should be started, and the seedlings should be gradually increased to increase the plant spacing.

2. Insertion

Choose fertile fields and apply enough base fertilizer. After tilling, make 1~1.2 m wide scorpion, and then cut the wild plants with unflowered seeds into 5 cm long stems or branches, 8~10 cm. The plant is inserted into the soil at a distance of 1/2 or more, and then watered for rooting and then topdressed.

3. Beading method

If the planting area is not large, it can be sown by the layering method. The bead is to overwhelm the longer stems of the plant, and press one stem section with wet soil every three sections. The stem section of the compaction is separated from the main body to form a new individual.

Fourth, fertilizer management

Intercropping

The growth of the purslane seedlings is very slow. It is necessary to pay attention to the removal of weeds. After 7 days of emergence, the seedlings should start to grow at a height of 3 to 4 cm, and the seedlings should be gradually increased. The plant spacing is 3 to 4 cm. When the seedling height is about 15 cm, the seedlings are taken out and the plant spacing is 7-8 cm. After the sowing, the silicon surface is properly compacted and then watered. When the seedling height is about 15 cm, the seedlings are taught to feed, so that the plant spacing is kept 9 to 10 cm, and the other seedlings continue to grow. About 25 days after insertion, the plant harvest was officially harvested when the plant height was 25 cm or more. Generally, the yield per plant is 35-40 grams. When harvesting, pay attention to leaving 2~3 main stems at the root of the plant, and harvest them later.

2. Fertilizer management

The emergence of seedlings in early spring takes 7 to 15 days, and the emergence of late spring and autumn sowing takes only 4 to 6 days. In combination with the excerpt, the water should be poured in a timely manner. When the seedlings appear 2 true leaves, the fertilizer should be chased once, and then each time after harvesting, each fertilizer is applied once. Portulaca oleracea L. is a shallow root plant. During the growth period, a little nitrogen fertilizer or a decomposed organic fertilizer solution is often applied. The stems and leaves are thick and tender, increasing yield, slowing reproductive growth and improving quality. The weather should be properly watered during the drought, and weeding should be paid attention to during the growth period.

It can be transplanted into the field for 15~20 days after cutting. If the cultivation area is small, it can be directly inserted into the field. Before transplanting, the field will be ploughed, and 1500 kg of fully decomposed human and feces, or 15-20 kg of ternary compound fertilizer will be applied in combination with the preparation of the ground, and then 1.2 m wide for sputum, according to the plant spacing 15 cm × 20 Centrifuge the centimeter and then pour the root water. Transplanting is best option cloudy conduct, such as shade on sunny days transplanting measures should be taken within 2 days after transplanting and watering to once every evening. After applying the base fertilizer according to the requirements during transplanting, the top stage may not be topdressed, and the thin manure water shall be chased once every 1~2 times. The flower buds formed should be removed in time to promote the breeding of the vegetative shoots.

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V. harvest

The horse tooth van is harvested several times in one seeding. The shoots 10 to 15 cm long before flowering should be picked to keep the stems and leaves fresh, and the newly grown leaflets are the best edible part. About 25 days after sowing, when the seedling height is about 15 cm, the seedlings are harvested and fed, so that the plant spacing is kept 9 to 10 cm to allow the seedlings to continue to grow. Generally, the yield per plant is 35-40 grams. At the time of harvesting, it should be noted that after the main stem of the plant is kept 2~3 knots, it will be harvested one after another. The top of the tender stem can be continuously drawn, and the shoots are taken from the base of the middle and upper stems to allow the plants to continue to grow until the frost falls. When harvesting, you can also withdraw between large and small.

The above is the whole content of the cultivation technology of the purslane, I hope to help you plant! Want to know more cultivation techniques, please pay attention to the Hui Nong School!

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