I. Variety selection Summer season cultivation of parsley, should be selected hot and humid, disease resistance, strong resistance, large leafy parsley varieties. Second, seed processing Coriander seed germination is difficult under high temperature conditions. Before sowing, use 1% carbendazim WP 300 times solution to soak for half an hour, then remove and wash, then soak in clean cold water for about 20 hours, then at 20°C-25°C Seeds after germination. Three, soil fertigation Select a land that is convenient for drainage and irrigation, loose soil and fertile land. Before the crop is harvested, the former crop is deep-turned 20-25 cm deep and dried for 15 days. In order to facilitate the use of shade nets, deep trenches with a width of 1.2 meters, a height of 20 centimeters and a groove width of 30 centimeters are made. Coriander growth period is short, combined with site preparation, per acre applied to compost manure excrement 3500 kg and cake fertilizer 150 kg, 50 kg of calcium magnesium phosphate fertilizer for basal, to fine-leveling the whole surface of the topsoil in order to facilitate the emergence of neat seedlings. Fourth, timely sowing Anti-season cultivation of parsley in summer and autumn is generally planted from mid-May to early July. In the case of suitable soil moisture, after spreading evenly, cover 1-2 cm thick fine soil. Cover the grass and plant the seedlings to ensure the seedlings, peel off after 5-7 days, and pay attention to keep the soil moisture. V. Field Management The rising temperatures in summer and autumn will affect the growth of parsley. Therefore, after the grasshopper is peeled off, it will be covered with a shade net in time. The sunshade net should adopt the method of daytime cover and night exposing to strengthen ventilation to prevent seedlings from growing thin and causing diseases. Parsley due to short growing period, early weeding, early seedlings, early recovery of fast-acting nitrogen fertilizer. Generally should be 7 days after seedlings seedlings, two true leaves when the Dingmiao, seedlings from 2-3 cm. Usually about 8 days to pour water once, when the seedling height is 3 centimeters, top dressing is started, and 10 to 15 kilograms of urea and 250 grams of boron fertilizer are applied per mu. In the future, combined with watering stage, topdressing with ammonium bicarbonate or urea 2-4 times, the latter stage applying foliar fertilizer should be added with appropriate amount of potassium dihydrogen phosphate to promote leaf growth. Sixth, pest control Non-polluted parsley pests should be controlled based on the principle of prevention, a combination of a variety of control methods, the pests and diseases to a minimum extent. 1. Agricultural control. Based on the selection of varieties with strong disease resistance, the crop rotation was implemented. Timely removal of diseased leaves in the field to reduce the chance of infection. Strengthen the management of fertilizers and water and improve the disease resistance of plants. 2. Physical and biological control. Application of frequency-type insecticidal lamp, sex attractant, Bt powder and other physical and biological control technology. 3. Chemical control. The main diseases are damping-off at seedling stage, adult stage virus disease, anthrax and spot blight. Five days after emergence, the non-pollution fungicide was sprayed with 3% oxygenated oxygen 800 times for one time. After every seven days, it was sprayed with 600 times of polyoxygen peroxide for one time and sprayed 2-3 times in total, which can prevent damping-off. Anthracnose and spot blight. To prevent and treat viral diseases, it is possible to use insecticide-resistant nets to prevent aphids from flying in; use shading to avoid high-temperature and drought conditions and reduce aphids; Shandong Longze Mechanical Equipment Co.,Ltd , https://www.pelletmachinefactory.com