Grow good winter celery and grab four

1. Select cold-resistant, solid storage-resistant, dark green varieties. Before sowing, seed dressing with a new high-fat film (can be mixed with seed coating agents) can avoid underground pests and isolate virus infections without affecting the germination and swelling function, strengthen breathing strength, and improve seed germination rate; choose loose texture, fertile, Seedling cultivation in deep soil layers, strengthen fertilizer and water management at seedling stage, small water diligent irrigation, thin fertilizer diligent application, cultivate strong large seedlings.

2. Apply bio-organic fertilizer before planting and spread evenly. At the same time, quicklime is applied per acre, shallow tillage and fine rake, and the fertilizer, soil, and lime are mixed uniformly, and then the land is prepared.

3. Spray the vegetable Zhuangshenling at the right time to make the stems of the plant stout, the leaves thick, the leaves tender, and the plants flourish. At the same time, it increases the ability to resist disasters, reduces the amount of pesticides and fertilizers, and reduces residual poison.

4. In low-temperature weather, use double or multi-layer film to prevent frost damage. Open the shed film at noon on a sunny day, ventilate and reduce humidity. Before planting the ridge, pour water dung 2 or 3 times. After sealing the ridge, pour the urea solution once.

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