How to Grow Black Peanuts
Black peanut is a type of colored peanut, also known as selenium-enriched black peanut. Black peanuts contain trace elements such as iron and zinc, as well as various vitamins and amino acids. They have a higher nutrient content than ordinary red-skinned peanuts and are a very popular new peanut variety. Large-scale cultivation has gradually begun in our country. So how should black peanuts be grown? Below, the editor brings you the cultivation method for black peanuts. Let's take a look!
1. Site Selection and Land Preparation
Black peanuts have relatively strong adaptability and no great demands on soil. However, to grow high-yielding black peanuts, you still need to choose soil with a pH of around 6, deep soil layers, high vitality, fertile texture, and good drainage and irrigation. After selecting the site, prepare the land by deep plowing 28 cm to improve soil permeability and remove harmful substances such as herbicide residues left in the soil. Strengthen the soil's water and fertilizer retention to promote root establishment and germination of black peanut seeds. Then apply sufficient base fertilizer, mainly farmyard manure, with the amount controlled at 2800 kg/mu.
2. Timely Sowing
After preparing the land, select seeds that are free of wounds and pests and diseases, have good yield, and strong growth capacity, and carry out seed dressing. Use agents such as phoxim and carbendazim for seed dressing, which can effectively prevent and control insect pests, stem rot, and other pests and diseases. Black peanuts are usually sown in spring using the hole sowing method. Pay attention to sowing density when sowing, keeping row spacing at about 38 cm and plant spacing at about 18 cm. Place 1-2 seeds in each planting hole. If the temperature is too low when sowing, cover with plastic film in time to raise soil temperature, keep warm, and promote seed germination and emergence.
3. Water and Fertilizer Management
Black peanuts have relatively high nutritional demands. In addition to applying sufficient base fertilizer before sowing, topdressing should also be carried out later according to the growth of the black peanuts and the fertility of the soil. The number of topdressings throughout the growth period should be about three times. The first is before flowering to promote plant growth and increase the flowering rate. Then apply another topdressing after flowering, and when the black peanuts enter the pod-filling stage, appropriately apply foliar fertilizer. The topdressing fertilizer should mainly be compound fertilizers such as nitrogen, phosphorus, and potassium. Black peanuts are not tolerant of waterlogging, so we must control watering, especially avoiding water accumulation in the field during the pod-setting stage. Otherwise, the pods will rot and various pests and diseases will be triggered. However, during the pegging stage, the demand for water is relatively high. During this period and in dry conditions, pay attention to timely watering.
4. Pest and Disease Control
Pest and disease control for black peanuts is very important. If poorly managed, the whole mu can be affected, resulting in no harvest at all. Common pests and diseases of black peanuts include aphids and black spot disease, so we must do a good job in pest and disease control. Follow the principle of giving priority to prevention and combining prevention with control. Strengthen field management and do well in watering, fertilizing, and clearing the garden. During periods of high pest and disease incidence, spray pesticides regularly for disinfection, and frequently inspect the peanut field to achieve early detection and early treatment. Avoid unnecessary economic losses.
The above is a brief introduction to the cultivation method for black peanuts. During the cultivation of black peanuts, we should also do a good job in plant adjustment work such as pinching off the growing tips and leaves. Prevent excessive vegetative growth from affecting flowering and pod setting of black peanuts and reducing yield. Also, control the harvest time properly according to your own planting time and variety, as harvesting too early or too late will have a certain impact on the yield and quality of black peanuts. That is all for today's introduction. This article is for reference only and is not suitable for all regions. Thank you for your reading and support.