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What are the planting techniques of blackcurrant?
I. Cultivation techniques

1. Preparation before planting

① Choose loam or sandy loam with flat terrain and good irrigation and drainage. The natural fertility is higher than the average level, and the total salt content of soil is lower than 0.4%.

② Black beans with high leaves and thick skin are suitable for planting in northern Xinjiang, with long growth period, late phenology, strong tree vigor, moderate germination and branching ability, consistent maturity, thick skin and good storage and transportation resistance.

Step 2: Planting

① Planting can be carried out in spring and autumn, usually in late April of spring. If conditions permit, the planting pit can be dug last autumn, and when it is thawed in the next spring, it can be filled with soil for planting in the early stage. Autumn planting is usually in the first half of 10 before freezing. The roots of seedlings planted in autumn should be fresh.

(2) The planting direction should be north-south. The furrow sowing method is easy to plant and manage. The furrow is 0.6 meters wide and 0.2 meters deep. The planting hole is a barrel pit with a diameter of 0.5 m and a depth of 1 m, and the ditch is 2 m deep, with 2 plants per hole and 666 plants per 667 square meters.

③ Planting method: apply decomposed organic fertilizer and topsoil 15kg to each hole, and 1/2 or 2/3 mixed into the hole. Then two seedlings were planted vertically in each hole at a distance of 25 cm. After covering the soil, gently lift the Shu Gen of the seedling, which is practical but not tight, and thoroughly water it, and then water it every 5-7 days, 2-3 times.

Step 3: plastic trimming

Pruning during dormancy should be carried out after removing the cold-proof soil in spring and before germination. Summer pruning is mainly carried out for plants over 4 years old, that is, 7-8 basic branches are selected before and after flowering, and the rest are all removed from the base to alleviate the contradiction between vegetative growth and reproductive growth.