1. Wide distribution and strong adaptability: It can be planted in most areas from south to north in my country, but it is mainly concentrated in Shandong, Henan, Hebei, Anhui and other provinces, accounting for more than 60% of the national peanut production. Our county can be planted from low mountains below 200 meters above sea level to high mountains with an altitude of 1,500 meters, but it is mainly concentrated in low mountains and hilly areas in the central and western regions with an altitude of about 400 meters.

2. It likes temperature and is more tolerant of low light: Peanut is a high-temperature short-day crop, but it is not very sensitive to light. Sowing can only be done when the daily average temperature is stable and above 12°C, so sowing in spring should not be done too early, and it is best to cover it with mulch. Large areas are mainly sown in summer and are suitable for intercropping of tall plants such as corn.

3. It is more tolerant to drought and barrenness, but not tolerant to repeated cropping: the peanut root system is very developed, and the leaves have "sleep movements". They close at night and during drought to reduce water loss, and there are large water storage cells in the mesophyll. Store and transport water to prepare for demand during drought.

Therefore, peanuts have relatively strong drought tolerance. In addition, peanuts are leguminous crops with rhizobia in their roots and strong nitrogen-fixing ability, so they are suitable for planting in dry and thin slopes in mountainous areas. However, peanuts cannot tolerate repeated cropping. Long-term continuous cropping will aggravate peanut underground pests and soil-borne diseases, cause soil nutrient imbalance, and reduce yield by 15-20% every year, so cropping must be rotated.

4. Require less nitrogen, more phosphorus and potassium, and like calcium: Peanut rhizobia have the ability to fix nitrogen. In order to promote the reproduction of rhizobia and improve the nitrogen-fixing ability, it is necessary to use rhizobia and ammonium molybdate seed dressing. When planting, it is necessary to control the application of nitrogen fertilizers, increase the application of phosphorus and potassium fertilizers, and use gypsum (calcium sulfate) for seed dressing or bottom application.

Extended information:

The nutritional value of peanuts:

1. Improve intelligence and enhance memory?

Peanut protein contains more than ten A variety of amino acids needed by the human body, among which lysine can improve children's intelligence, glutamic acid and aspartic acid can promote cell development and enhance the brain's memory ability.

2. Promote human growth and development?

Peanuts contain extremely high calcium content. Calcium is the main component of human bones, so eating peanuts can promote human growth and development.

3. Coagulation and hemostasis

Peanut coat contains oil and multiple vitamins, and contains substances that shorten the coagulation time, resist the dissolution of fibrin, and promote the bone marrow to produce platelets. It not only has a hemostatic effect on a variety of bleeding diseases, but also has a certain therapeutic effect on the primary disease, and is beneficial to the human hematopoietic function.

4. Moisten the lungs and relieve coughs?

Peanuts are rich in fatty oils that can moisten the lungs and relieve coughs. They are often used for chronic cough and asthma, bloody phlegm and other diseases.

5. Nourishing blood and promoting lactation?

Peanuts are rich in fat, oil and protein, which can nourish qi and blood, nourish blood and promote lactation for those with insufficient milk after childbirth.

6. Anti-aging?

The catechins contained in peanuts have a strong anti-aging effect on the human body, and lysine is also an important component in preventing premature aging. Regular consumption of peanuts is beneficial to the human body in delaying aging, so peanuts are also known as the "immortality fruit".

Baidu Encyclopedia-Peanut