Rice and wheat no-till seed drill sowing rapeseed

The rapeseed live broadcast is carried out by using the 2BG-6(5)A rice and wheat no-till drill in the region. According to the characteristics of rapeseed, compound fertilizer and rapeseed are mixed to meet the small amount of rapeseed. Claim.
Adjust the existing equipment according to the requirements of rapeseed live agronomy.

Line spacing adjustment , through the interval blocking the seeding box in the seeding box of the seeding machine, change 6 (5) to 3 lines, move the position of the seeding head on the line spacing adjustment plate, so that the broadcast width is 120cm and the line spacing is 40cm.

The seeding depth is adjusted , the seeding head fixing bolt is loosened, the seeding head is adjusted downwards to a hole position, and the φ10 cylindrical safety pin for connecting the adjusting plate and the connecting plate is pulled out, the pressing wheel is lowered, and the coulter is adjusted to the highest position.

Seed preparation , the seeds use "double low", high yield, high resistance (cold resistance, rice resistance, antibacterial nuclear disease) excellent varieties, seed dressing fertilizer selection of poor hygroscopic compound fertilizer, and sieve sieve to remove more than 3mm coarse particles .

The field is ready , the free field, the field is leveled without weeds, the soil moisture content is controlled at about 25%; the rice paddy field, before the sowing, do the water slurry management in the late paddy field, taking into account the two benefits, keeping the field dry and wet. In case of excessive rain, it is necessary to ditch and damp in time to create conditions for proper seeding. When cutting rice, leave about 10mm, remove the straw in the field, cut the high pad, fill the footprints, level the surface, and prevent the water from damaging the pond. The soil moisture content is controlled at around 35%.

Base fertilizer , compound fertilizer application, the amount of fertilizer applied per mu is calculated as 10kg/mu pure nitrogen, of which 12-14kg/mu compound fertilizer is mixed with 150-250g/mu, and the other compound fertilizer is mixed with 0.5kg/mu boron fertilizer before sowing.

Ditching , establishing a ditch system for irrigation and drainage, using a trencher or artificial trenching, the width of the raft is 2.5m, and the width of the raft is 20cm. The ditch soil is evenly spread on the surface.

Sowing date, sowing amount, sowing depth , local rapeseed suitable for sowing period from late September to October 20, rapeseed sowing rate increases with the delay of planting period, usually 150g/mu in late September; 200g in early October /mu; 250g/mu in mid-October. The rapeseed has a seeding depth of about 1.5-2.0 cm.

Drowning water , after the broadcast, in case of dry weather, it is necessary to pass the ditch and water in time, and the ditch water must not flow over the surface.

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