High-yield Cultivation Techniques of Spring Peanut

The end of March and early April is the best time to plant spring peanuts. In recent years, with the adjustment and optimization of agricultural industrial structure, the peanut planting area in North China and Central Plains has expanded rapidly. Peanut belongs to Leguminosae, which belongs to the genus Leguminosae. Like other leguminous crops, Rhizobium has rhizobial bacteria. Rhizobium has a large nitrogen-fixing potential, improves soil nitrogen and fertility, and has strong drought tolerance. It is a way for farmers to increase their income. How to ensure stable production and high yield of peanuts? Here are some high-yielding cultivation techniques for spring peanuts.

First, seed selection and seed treatment

First of all, we should choose high-quality, high-yield peanut varieties. Secondly, when selecting seeds, you should choose large and full seeds. The selected seeds can be used for seed dressing. The commonly used seed dressing agent is carbendazim wettable powder, and the amount is 0.3-0.5% of the seed weight to ensure that the seedlings are fully seedling strong.

Second, formula fertilization

Fertilization should be combined with organic fertilizer and inorganic fertilizer. In general, 1500-2000 kg of compost will be applied per acre, compound fertilizer shall be no less than 40 kg/mu, and borax shall be 1 kg/mu, with fine soil preparation.

Third, the appropriate sowing, plastic film coverage

The suitable sowing date for peanuts is generally around the end of April, and the density is 9,000-10,000 fen per mu. It is advisable to sow two seeds per hole. It is cultivated with high ridges and double ridges, and its width is 80-85 cm. It is planted with two rows of peanuts, with a spacing of 25 cm and a hole spacing of 18 cm. 50% acetochlor per acre 100-150 ml water 50-75 kg watered the ground to prevent weeds. The last time the film is covered, the film should be tightened and pressed.

Fourth, strengthen field management

When the top soil of peanuts, it is necessary to pay attention to broken membrane induced seedlings, and cover some wet soil in the membrane hole, and then break the pier and clear the trees after the cotyledon leaves the membrane. Drying before and after flowering should be timely watering, but do not flood irrigation. When the peanut height is 40 centimeters or the basic line is sealed, a paclobutrazol solution with a concentration of 50-100 mg/kg should be sprayed to prevent peanuts from growing.

Fifth, prevent premature aging

Because of the mulching of the mulch, the growth of the peanuts is early and the premature senescence is prone to occur. In the stage of peanut pods till maturity, extra-root fertilizers should be applied. The 1-2% urea solution or 0.2-0.3% of potassium dihydrogen phosphate can be sprayed on the leaves. Solution.

6. Pest control

Peanut root-knot nematode disease is a major disease in peanut production areas. Generally, Neissotide and other nematicides can be used to treat soil, and more decomposed organic fertilizers are used to increase soil fertility and crop rotation can be carried out with high-stalk crops such as wheat and corn. 3 years rotation.

Peanut leaf spot can be controlled by 50% of carbendazim 1000-1200 times or 75% of chlorothalonil 600-800 times per acre, sprayed once every 10-15 days, and continuously sprayed 2-3 times.

Insects that invade peanuts are mainly locusts and cockroaches. Aphids use 40% of omethoate EC 100 ml of water to control 50 kg per mu.蛴螬 2-3 kg of phoxim granules per acre can be applied to the vicinity of the peanut pebbles, and the herbs can be buried in the soil in combination with valerian or earth. Or use 5% of phoxim EC 0.5 kg or 40% methyl iso-isocyanate 0.5 kg water 500-800 kg irrigation pier.

Seven, timely harvest

When about 70% of the pods have become fruitful and full, harvesting should be avoided. This will prevent peanuts from being produced.

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