Celery planting: summer celery should pay attention to which aspects?

What aspects should be paid attention to when growing celery in summer? Please give advice on the following two aspects for your reference: first, before sowing, put the seeds in the refrigerator and keep them at a low temperature of 5-6 degrees Celsius for 8-10 hours. After taking out, soak the seeds with 1500 times of Shennong chelating fertilizer and 1500 times of enhanced Yunda-120. or soak the seeds with the mixture of 5000 times of plant vitality and 5000 times of Huangjia natural brassine for 3-5 hours. Let the seeds fully absorb moisture and expand, pick up and drain the water, then mix the seeds with Yimi yield-increasing bacteria, add 5 grams of Yimi yield-increasing bacteria per gram of seeds, stir well and then sow. Second, during the growth period of celery, shading management and high humidity cultivation must be carried out in order to keep the planting environment in a state of high humidity and shade. Cover the planting area with a sunshade net to prevent direct sunlight on the plants. at the same time, deepen the border ditch to 40-60 cm, fill it with water, and drench it once in the morning and evening to moist the soil, prevent water shortage and drought, and ensure water supply. Third, the main diseases and insect pests of celery are early blight, spot blight and aphids. At the initial stage of the disease, spray 75% chlorothalonil 600x solution or use Bordeaux solution of 1 ∶ 0.5 ∶ 200 plus 0.1% sulfur powder spray, 667 square meters spray 30kg 40kg, spray once every 7 days, 2 times continuously Pest control can be done with 0.4% aphid 400 × 600 liquid plus 0.1% detergent spray or 50% dichlorvos 500 × 600 liquid spray. Click to get more celery planting techniques click to get more vegetable planting techniques