Open field pea cultivation technology

During the sowing period, the pea is cold and heat-resistant, and can only be sown in spring and summer in the northeast region and harvested in summer and autumn. If early maturing dwarf or semi-vine early maturing varieties are selected, autumn cabbage and Chinese cabbage can be planted after the autumn stubble. The soil can be sown after freezing in early spring, and it is usually broadcast live in early April. The harvest will begin in mid-late June and will be finished before the summer season. Due to the short growth period, early-mature, dwarf or semi-vine varieties should be selected and densely planted, and early, middle and late maturity varieties can also be selected. Arrange sowing in stages from early April to early May to enable harvesting extend.

Site preparation and seeding

The earlier the spring sowing, the more beneficial it is to increase production. However, in the case of early planting, especially the early-wrinkled wrinkled varieties, due to the low ground temperature, rotting will easily occur if the soil is too wet. Therefore, sowing in spring should be dry seeded and not suitable for soaking. When the soil is dry during spring sowing, water should be irrigated to create soil moisture before planting.

* Avoid continuous cropping, suitable for interplanting in wheat fields and potatoes. Before sowing, the soil should be turned deeply, and the appropriate amount of rot manure can be applied to promote the unearth of peas, the seedlings to be strong, and the resistance to stress. After sowing the pea for 1-2 days before sowing, the emergence rate can be improved. Dwarf species are suitable for sowing, with a row spacing of 60 cm and a plant spacing of 8-10 cm. The overgrown variety is suitable for hole sowing, with a row spacing of 60 cm, a plant spacing of 15-20 cm, 2-4 seeds per hole, and a seed volume of 75-90 kg per hectare.

Field management

After the spring pea emerges, it should be ploughed several times early to increase the ground temperature, promote root development and make the leaves thick, and stop ploughing after the bud period. In order to promote the growth of branches and leaves, top dressing and irrigation began at the seedling stage. In the spring and drought period, the seedling stage can be cultivated 2-3 times, fertilize 1-2 times, irrigate 2-3 times, * combine soil during the next tillage. The extension of shoots and flowering pods should also strengthen irrigation, top dressing, and promote growth and development, so that it has a longer period of suitable temperature for flowering and pods before the onset of summer, in order to improve yield. Pea stem vines are prone to lodging, and when cultivating long vines and medium vine varieties, attention should be paid to setting up when the plant height is about 30 cm, so that it is ventilated and transparent, and it is easy to form pods.

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