The celery non-pollution cultivation technical regulations

l. Scope This standard specifies the environmental conditions, yield indicators, cultivation techniques, harvesting, and follow-up management of the production environment of unpolluted celery.
This standard is applicable to the production of unharmed celery in protected areas and open fields.
2. Reference Standards The following standards contain provisions that, through reference in this standard, constitute provisions of this standard. When the standard is published, the versions shown are valid. All standards will be revised and all parties using this standard should explore the possibility of using the latest version of the following standards.
GB16715.5-1999 Vegetable seeds Seedlings Vegetables and vegetables Pollution-free agricultural production areas Ecological environmental quality standards Pollution-free vegetable product quality standards
GB4285 "Pesticide Safety Use Standard"
GB8321.1-GB8321.5 "Pesticide reasonable use guidelines 1-5"
Guidelines for the use of fertilizers for the production of pollution-free vegetables
3, the production site environmental conditions
3.1 Environmental conditions
3.1.1 Landscape Environment The landscape environment requirements are shown in Table 1.
Table 1 Landscape Environment Indicators of Pollution-free Agricultural Products Item Index (m)
Expressway, National Highway ≥ 900
Local main road ≥500
Hospital, living pollution source ≥2000
Industrial and mining enterprises ≥1000
3.1.2 No cotton is planted within the preceding 3 years. Continuous cultivation of conventional (non-pollution-free) facilities does not exceed 3 years and cannot be continued for 2-3 years.
3.2 Soil conditions Soil plow layer is deep, flat, drainage and irrigation is convenient, soil structure is suitable, physical and chemical properties are good, organic matter content is above 15g/?, alkaline nitrogen content is above 70MG/kg, available phosphorus content is above 50MG/?, available potassium content is 100GMG /kg or more, soil PH6-7.5, soil total salt content must not exceed 3g/kg.
3.3 Irrigation conditions
3.3.1 The groundwater source irrigation shall be prohibited in the plain agricultural areas. The depth of groundwater source irrigation shall be greater than 50m.
3.3.2 There is no available surface water for industrial and mining pollution in the upstream farmland of mountainous agricultural areas.
3.4 The environmental quality meets the requirements of environmental quality standards for the production environment of pollution-free agricultural products.
3.5 Hazardous materials management Poisonous and harmful pesticides, herbicides, regulators, hormones and other dangerous substances shall be subject to strict management regulations and must not be stored in protected areas or in the field.
4. Output index The output index of this standard is 60,000kg to 75000kg per hectare (per 667? 4000-5000kg).
5. Pollution-free cultivation measures The cultivation measures not described in this clause are still implemented according to conventional cultivation measures.
5.1 seeds
5.1.1 Variety selection The celery varieties with high yield, good quality, resistance to pests and diseases, strong resistance to stress, and good adaptability are commercially available.
5.1.2 seed quality in line with GBl6715.5 improved species requirements.
5.1.3 Special Seed Requirements The use of transgenic celery varieties is rejected.
5.2 Seed Treatment Soaking in warm water at 48-49°C for 30 minutes.
5.3 Cultivation of disease-free strong seedlings
5.3.1 nursery site nursery site should be isolated from the production field, the implementation of centralized nursery or professional nursery.
5.3.2 Preparation of nursery soil The garden soil that has not been planted with celery within 3 years is mixed with high-quality decomposing people. The amount of organic fertilizer is not less than 30%.
5.3.3 Soil disinfection of nursery beds was mixed with 50% carbendazim WP and 50% thiram WP, or 25% metalaxyl WP and 70% Mancozeb WP. 9:1 ​​mixing, 8-10g per square meter bed seed medication mixed with 15-30? fine soil, sowing l/3 sprinkled on the surface, sowing the rest of the 2/3 drug soil covered in the seed. 5.3.4 Seedling Management To strengthen seedbed management, we must keep the soil moist, and the planting density is not too large. We must divide the seedlings in due time, properly vent the air, spur the seedlings, control the seedlings, and find the pests and seedlings to remove in time. When the seedlings grow to 2-3 true leaves, topdressing a small amount of fertilizers to promote seedling growth.
5.4 Colonization
5.4.1 Fertilization Site Preparation
5.4.1.1 Fertilization Each 667? Application of high-quality rotten organic fertilizer 4000-5000kg, superphosphate 50-100kg, potassium sulfate 25-40kg, boron-deficient ground at the end of application of borax 0.5-lkg.
5.4.1.2 After soil preparation and fertilization, plow the soil over 20 centimeters and fasten the sheds for 7 days at high temperature.
5.4.2 Disease Prevention
5.4.2.1 Insect-proof nets The insect-resistant greenhouses and greenhouse vents are sealed with nylon net yarns to prevent the migration of pests such as aphids and whitefly.
5.4.2.2 silver gray mulching film to avoid glacial silver gray film every 667? 5kg, or cut the silver ash film 10-15cm broadband, spacing of about 15 cm hanging.
5.4.2.3 Disinfection of Shed Chambers Each 667-square-meter room uses 45% chlorothalonil smoke agent 250g, which is ignited and sterilized after being ignited at 4-5 points.
5.5 After the planting, manage to pour enough water after planting to keep the soil moist. After easing the seedlings, combine top dressing with watering once and then seedlings. After the end of seedlings, combined with watering, ditching and applying topdressing nitrogen fertilizer. Every time 667? Followed by ammonium sulfate 15-20kg, top dressing 2-3 times. Until the first half of the harvest, lateral shoots were removed promptly.
5.6 Pest Control After Planting
5.6.1 Remove pests and leaves in time, remove severely ill strains, and bring them out of the field to be buried or burned.
5.6.2 The yellow plate induces the interior of the tent to be 100cm20cm strips cut from scrap fiberboard or paperboard, coated with yellow paint, and coated with a layer of engine oil, hung between the rows or between the plants, higher than the top of the plants, every 667? About 30-40 pieces, when the yellow board is full of maggots, re-coat a layer of oil, usually 7-10 days repainted.
5.6.3 Pharmacy control and protection The priority is to adopt dust method and smoke method. In dry and fine weather, it can also be sprayed and controlled. Care should be taken in alternate rotation.
5.6.3.1 Spot Blight
a) Protect the land with 200-250 grams of 45% chlorothalonil smoke agent, or 10% quick-king spirits agent for every 667 points, divided into 4-5 places and ignite over night in a closed greenhouse overnight, once every 7 days, even Smoked 3 times.
b) In the early stage of onset, spray 5% chlorothalonil dust every 667 每 with a duster 1 , every 9-11 days for 2-3 consecutive times.
c) In the beginning of onset, spray 64% antivirus WP 500 times, or 75% chlorothalonil wettable powder 600 times, 50% carbendazim wettable powder 800X, 50% thiophanate-methyl Wet powder 500 times liquid, 10% of the world's high water dispersible granules 1500 times liquid, every 7-10 days, even spray 2-3 times.
5.6.3.2 Leaf spot control methods are the same as those in 5.6.3.1.
5.6.3.3 False black spot
a) Smoke method: See a) in 5.6.3.1.
b) Dust method: see b) in 5.6.3.1.
c) Spray 5% mothionine WP 1000-1500 times, or 75% chlorothalonil wettable powder 600 times, l0% HYPER water dispersion granule 1500 times, 58% metalaxyl manganese Zinc wettable powder Liu 500 times, 64% antivirus WP 500 times, every 7-10 days, even spray 2-3 times.
5.6..3.4 Sclerotinia
a) Smoke method: See a) in 5.6.3.1.
b) Dust method: see b) in 5.6.3.1.
c) Spraying 50% Sucrolimin, or 50% Proploaine, or 50% Nonginer WP 1000 to 1500 times, or 20% Methorgan Phosphorous WP 1000 times at the beginning of onset, or 70% thiophanate-methyl WP 600 times, every 8-9 days, continuous control 3-4 times.
5.6.3.5 The onset of soft rot begins to spray 72% of Streptomycin Sulfate solution powder, or neophytin 3000-4000 times solution, 14% ammonia solution, 350 times solution, 50% ampicillin fertilizer Copper wettable powder 500-600 times liquid, once every 7-10 days. Continuous control 2-3 times.
5.6.3.6 Viral Disease
a) Early flood protection with 5.6.3.7
b) In the initial stage of disease, spray 1000 times of 1.5% Phytophthora seedling emulsifiable concentrate, or 20% of virus A wettable powder 500 times, or of antiviral 1 water 250-300 times, once every 7-10 days. Spray 2-3 times.
5.6.3.7 Aphid 50% anti-inferior WP 2000 times, or 10% imidacloprid 1500 times, 50% phoxim emulsion 1000 times, 2.5% rattan refined 600-800 times Liquid, 25% Aktai water dispersion granules 5000-10000 times spray control.
6, harvest and follow-up management
6.1 Harvesting timely harvested, delayed petiole easy hollow, quality decline. The tools used in the harvesting process should be clean, hygienic and non-polluting.
6.2 packaging; transport, storage and implementation of pollution-free vegetable product quality standards

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