How do peanuts grow high? Peanut production technology

Peanuts are also called groundnuts. It takes only one month from sowing to flowering and the flowering period is up to two months. Peanut oil content is as high as 50%, and peanuts nourish and replenish the benefits of longevity. After processing into a non-staple food, it is a popular food.

Peanuts were introduced to China in the 16th century, and now they have been planted all over the country, mainly in Liaoning, Shandong, Hebei, Henan and other regions. Here is a look at the peanut production technology.

1 Fertilization

Select sandy loam with thick soil layer, loose soil and convenient drainage and irrigation, and apply 4 000 kg of high-quality farmyard manure and 75 kg of three-element compound fertilizer per 667 m2. Deeply cultivating the soil before sowing, it can be ploughed before winter ploughing or thawing in early spring, ridges before sowing, ridge height 15-20 cm, ridge distance 75-80 cm, ridge width 40 cm.

2 variety selection

Choose medium and early maturing high-quality varieties, generally use "four red" and other varieties. For each 667 m2, the amount of seed is 8-9 kg (15 kg of hairy fruit). Before seeding, you should do a good job of seed selection. Use full and even seeds. Mix seeds before planting. Mix with phoxim or use peanuts. The seed is coated with a special coating agent, and after seed dressing, it is dried and then sown.

花生怎么种才高产?花生丰产生产技术

3 sowing time and method

Seeding is generally carried out from April 10 to May 1. 2 rows per ridge, ditch on-demand, line spacing 28 ~ 30 cm, each pier distance 13 ~ 15 cm, seed 2 seeds per pier, cover soil 3 ~ 5 cm, flatten the ridge surface, then spray herbicide, every 667 m2 Spray with 50% acetaminophen 100 ml water 50 kg, then cover the mulch. Large-scale production of multi-purpose peanut planter for sowing, sowing, planting fertilizer, spraying herbicides, covering the film and other processes in one time.

4 Field management

4.1 Open hole seedlings

When the peanut seedling grows 2 to 3 leaves, it is necessary to open the seedlings in time to expose the seedlings to the mulch, and cover the membrane holes with soil to prevent burning of the seedlings. At the same time of seedlings, check the seedlings to replenish the seedlings, where the seedlings are lacking, and replant them in time

4.2 Clearing

When the peanuts emerge from the seedlings, check them in time, and bury the lateral branches under the membrane or under the soil to promote the healthy development of the peanuts.

4.3 cultivating soil

In the flowering period, the field is cultivated before the peanuts are closed, so as to facilitate the insertion of fruit needles into the soil, increase the number of effective needles, and increase the yield of peanuts.

4.4 Water and fertilizer management

Watering should be timely in the flowering, needle-forming and full-fruit periods to ensure proper soil moisture, increase the number of results, increase fruit weight, and effectively increase peanut yield. In the rainy season, it is necessary to pay attention to the timely elimination of water in the field to prevent peanut damage.

4.5 Controlling the length

In order to prevent the growth of peanut plants, it is necessary to carry out chemical control in a timely manner, control and prolong, and prevent lodging. In the peanut plant height of 30 ~ 35 cm, before sealing the ridge, use 15% paclobutrazol 20 ~ 30 g per 667 m2, add water 25 ~ 40 kg for spraying, and spray again after 15 days.

花生怎么种才高产?花生丰产生产技术

5 pest control

5.1 Agricultural control

Peanuts should not be seriously smashed, and reasonable rotation should be carried out, combined with soil tillage before winter to reduce the source of pests and diseases; selection of resistant varieties to improve plant resistance.

5.2 Chemical control.

Aphid damage can be controlled by spray with 10% imidacloprid 2000 times solution; leaf spot can be sprayed with 50% carbendazim WP 1500~2 000 times, spray once every 10~15 days, continuous spraying 2~3 Second; cockroaches and other underground pests, in the early needle stage of peanuts in early July, the use of 30% phoxim microcapsule suspension agent 1000 times liquid irrigation pier.

6 harvest time

According to plant growth, pod fullness and market demand, the harvest period should be reasonably determined and harvested at the right time. It is generally available for harvest from July 20th to August 10th.

Peanut can be used for oil extraction, processing into by-products, consumption, etc. It can also be used for daily chemical raw materials such as soap and hair oil. Recently, the price of peanuts is relatively stable, and farmers can plant with confidence!

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