High-yield cultivation techniques for peas

Pea is one of the main winter crops in the south. Each acre of peas can fix 5.45 kilograms of free nitrogen per year from the atmosphere, making it suitable for rotation with other crops. The cultivated peas are divided into two categories: cereal peas and vegetable peas. Peas can be sown in autumn or spring, especially suitable for dryland green manure, and also suitable for paddy field tillage.

The pea roots are relatively weak in the edible legume crops and the root group is small. Before planting, deep ploughing and loosening the soil will facilitate the emergence of seedlings, root development and enhanced resistance. Select seeds before sowing, remove worms and underfilled seeds, and soak for 2 to 3 days to increase the germination potential and germination rate. Sowing by seeding and hole seeding.

The line spacing of the erect species is about 30 cm, and the hole spacing of the hole is 20-30 cm. The row spacing of the vine varieties is about 50 cm, and the hole spacing of the hole is about 30 cm. 2 to 3 seeds per hole, 4-5 kg ​​per acre. Sowing is usually carried out from October to mid-November. When planting, the base fertilizer should be applied, mainly organic fertilizer. Generally, 1000 kg of soil and fertilizer, 20 kg of phosphate fertilizer and 6 kg of potassium fertilizer are applied.

In order to promote the growth of seedling stems and leaves, and induce root nodule growth and reproduction, the seedling stage can be applied to the water with 3 kg of urea per acre. When the height of the seedling is about 30 cm, cultivating and cultivating the soil, chasing phosphorus and potassium fertilizer, applying 15 kg of calcium phosphate and 7 kg of potassium fertilizer per acre. Lime can be applied to the calcium-deficient soil. Spraying boron, manganese, molybdenum and other trace element fertilizers during flowering and pod-forming period can increase production. Cultivating and weeding. When the seedling height is 7-10 cm, the first inter-cultivation is carried out by combining the seedlings (1 to 2 seedlings per hole) and topdressing. When the seedling height is about 30 cm, the second cultivating, weeding and soiling are carried out in combination with top dressing.

The vine-type pea variety should be framed. Can be picked to promote branching, increase flower pods. The peas are poor in drought tolerance, and should be irrigated immediately after sowing in case of drought, in order to facilitate germination and emergence. Keep the soil moist during growth. Peas are not resistant to waterlogging, and when it rains, pay attention to timely drainage and stain prevention. The pea pods mature from bottom to top. Most of the pods in the middle and lower parts of the plant are fully mature, and the pods can be harvested when they become yellowish brown and dry. It is best to harvest the dew in the morning or harvest it in the evening to reduce the loss of the pods. Peas for canned and canned foods are harvested when the pods are fully inflated and tender.

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