First, the variety selection. Spring and summer king, spring and autumn 54, gold general, spring and autumn yellow, green leaves, doll dishes and so on.
Second, sowing. For the staged listing, it can be planted in stages from May 25th to June 25th. The row and plant spacing are both 0.5 m (1 1/2), with about 2,500 plants per mu. To prevent soft rot, you can use Fengling for seed dressing.
Third, the planting method. Black clay land with sufficient water source, ridged planting; sandy loam soil with insufficient water source should be planted in the flat raft. According to the fixed plant spacing, dig shallow holes, fill the water, and put the seeds that have been soaked for 10 hours in the hole, 3 holes per hole. , triangular distribution, keep the inch distance, cover 1 cm of wet fine soil, cover the mulch on the hole, press the soil around, and remove the mulch film before germination.
Fourth, fertilize and water. Into the rosette period and the core period, each topdressing fertilizer, each time 20-30 kg of urea per acre, evenly spread between the rows of plants, after watering, pouring water every 5-7 days in the middle and late.
5. Pest control. Soft rot prevention and control: In the rosette period, vegetable Fengning + mancozeb, agricultural streptomycin + carbendazim or rotten net, once every 7 days, 2-3 times in a row.
Prevention and control of Plutella xylostella L. and cabbage caterpillar: It can be controlled by biological pesticides such as Sudeli, Aweicaoqing and Aifuding No.1, in order to improve the efficacy and increase the amount of Liping synergist, rotate and use, generally after 5 pm The effect is good.
Sixth, product specifications. The package is tight, 2~2.5 kg per plant, without insects and lesions.
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