Select suitable varieties according to local conditions The production of autumn vegetables is characterized by high temperature, low rainfall, frequent occurrence of diseases and insect pests, and the selection of varieties that are resistant to disease, high temperature and high yield. 1. Cabbage category: Refined and refined Qingza 3rd Cabbage, Yiheqiu Chinese cabbage, etc.; 2. Baocai category: Double-ring Wang Cabbage, Jingfeng No. 1 Cabbage, etc.; 3. Carrot: Qingzang Kuroda Five-inch Carrot ; 4, autumn cucumber: Bo new 525 green cucumber, Jin research series of cucumber, etc.; 5, lettuce: kind of summer lettuce, Yu Sheng large empty lettuce; 6, beans: anti-a number, high yield on the 4th, head king on the 2nd , preferably Qiuqiu red beans; 7, red cabbage moss: Xiang Hong No. 1, Xiang Hong No. 2 red cabbage; 8, white radish: early-maturing short leaves; 9, other: Zhuzhou small Shenlong cabbage and other moss. Prepare clean gardens for autumn 1. Remove the diseased plants, stubble leaves, rot roots, remove the soil, remove the soil, and use 100-150 kilograms of lime per acre to reduce the occurrence of pests and diseases. 2. To clear the ditch, so that the “encircling ditch, main ditch, and branch ditch†can be three-phased. When water is needed, it can be filled at any time. After rain, it can be discharged in a timely manner so as not to be stained. 3. The fruit and vegetables of the candel must be rotated with cruciferous vegetables, onions and garlic vegetables and legumes to reduce the occurrence and spread of various diseases. 4. Apply base fertilizer, applying 4000-5000 kg of organic fertilizer per mu, importing 20-30 kg of compound fertilizer and 100 kg of phosphate fertilizer. Note: In summer and autumn, the temperature is high. Apply as little compound fertilizer as possible to prevent root burning and sprouting and affect the normal growth of vegetables. Clear seedbed timely broadcast good species 1. Sandy or sticky soil must be selected. Deeply turn over the roasted soil, squeezing finely and leveling. Seedling soil should be cleared with lime, or be disinfected with 70% enemy liquid 1000-1500 times. 2, 10-15 days before sowing, apply well-developed human and animal manure, soak the soil when sowing, put a good awning, after seed sowing, cover with thin silt or ash, with multi-layer shade net or pest control After the nets are covered, water and pesticides are sprayed in time to ensure the normal growth of the seedlings. 3. Specific sowing time for autumn sowing varieties. Beans: July 15 - August 10; Cabbage: Early July - Early August; Chinese cabbage: Mid-August; White Radish: Early August - Late; Carrot: Late July - 8 Early in the month; lettuce: early August - late; red cabbage: early August; cabbage moss: early August. Integrated management to strengthen pest control In summer and autumn, high temperatures and little rain are the peak seasons for vegetables and insects. We should strengthen the control of pests and diseases. According to the plant protection policy of “prevention as the main, comprehensive managementâ€, the principle of harmless treatment with “mainly agricultural prevention, physical prevention, biological control, and chemical control as supplements†is adhered to. Agricultural control: 1. Select disease-resistant varieties, implement rotation for more than three years, cultivate sorghum, cover with plastic film, cultivate strong seedlings, increase decomposed organic fertilizer, remove diseased plants in time, remove diseased leaves and diseased branches, and clean the pastoral area. 2. Strictly conduct seed disinfection to reduce seed-borne diseases. 3, cultivation of disease-free seedlings. 4, to create a suitable growth environment: control of good temperature and air humidity, suitable fertilizer and water, adequate lighting, through ventilation and cooling, adjust the appropriate temperature for different growth periods, to avoid high temperature barriers. Physical control: 1, facilities protection. Covering plastic film, insect nets, and shade nets in autumn to prevent rain, shade, and pest control, and reduce the occurrence of pests and diseases. 2. Trapping, killing and repelling: Protected cultivation uses yellow plates to trap aphids and Liriomyza sativae, and 30-40 yellow plates are suspended per acre. The ground cultivation cultivating silver mulch film or hanging silver ash film strips repellent locusts, and each 2-4 hectares is equipped with a frequency-vibration insecticidal lamp to trap and kill pests. Biological control: 1. Natural enemies: Actively protect and utilize natural enemies and prevent and control pests and diseases. 2. Biological agents: (1) Using BT emulsion to control larvae of lepidopteran pests such as cabbage caterpillar, diamondback moth and soybean meal, etc. (2), using Liuyangmycin 1000-1500 times liquid to prevent spider mites, melons, eggplant red spider; (3), Nongkang 120, Wuyimycin control melon powdery mildew, anthrax, tomato leaf mold, gray mold and cucumber scab; (4) Controlling bacterial diseases such as cucumber and Solanaceae with agricultural streptomycin and neophytin 4000-5000 times solution. (5) There are special effects in preventing and controlling diamondback moth, Liriomyza sativae, Pieris rapae, and Trichosporidium with Jizurnia cockroach, and the effect of preventing and controlling tea aphid and soybean meal is good. Chemical control: 1. Disease prevention and control: Blight: spray 58% metalaxyl 400-500x and 75% chlorothalonil 600x, or 70% dixone 1000x or 1% copper sulphate, or 60% bactericidal 400-500 Double liquid spray. Bacterial leaf spot: spray 70% thiophanate-methyl WP 600-800 times, or 70% Mn-Zn 800 times. Powdery mildew: Spray the leaves evenly with 500 times sulfur 50 suspension, or 15% triadimefon (Triadimefon) 1500 times, spraying once every 7-10 days. Fusarium wilt: Irrigate with 50% copper carboxylate (DT) 400 times solution or 14% Urea copper 300 times solution or 50% carbendazim 500 times solution. Bacterial wilt: 77% can be used to kill 500 times, or 72% of agricultural streptomycin sulfate 4000 times, 50% carbendazim 800-1000 times can also be used to irrigate roots. Anthracnose: sprayed with 70% thiophanate-methyl wettable powder 600-800 times or 80% manganese-manganese wettable powder 500 times. Virus disease: spray with 20% virus A500 or 1.5% phytolchne 800-1000. 2, pest control: Spodoptera exigua, Spodoptera litura, Spodoptera litura, and Pieris rapae: dilute 2000 times with 10% or 1500 times with 15% hits, or 2,000 times with 5% Sitabao, and spray at 5-6 pm in the harvest period. Deactivated for the first 10 days. Control of tobacco budworms and cotton bollworms: spray with 2.5% kungfu 500 times or 2.5% enemies 6000 times or 5% stuck potassium 1000 times or 5% fipronil 1500-2000 times, before harvest 10-15 Stop using medication. Soybean meal: Spray with 20% cypermethrin 30 ml plus water 75 kg spray or 2% killer pine powder or 2.5% trichlorphon powder 1.5-2.5 kg per mu or 1000 times 50% killer pine. Aphids (tea scutellariae, red spider) prevention and treatment: 3,000 to 4000 times with 1.8% chlorimidine 3000 times or abamectin 8000-10000 times or 0.3% matrine 1000 times or 15% broom The liquid sprays the back of the leaf evenly. Aphids: spray with 50% osmium net 800 times solution or 10% imidacloprid 1500-2000 times solution. Liriomyza sativae: commonly known as "ghost painting", Cicipo 800-1000 times liquid spray or stuck die 800-1000 times liquid spray, spray mainly in the back and leaf parts. Cultivate and weed, strengthen field management 1, leafy vegetables, eggplant, onion and garlic, beans, potato vegetables, topdressing 4000-5000 kg per acre applied to thin human and animal waste water, compound fertilizer 20-30 kg, potassium 30-40 kg, urea 20- 30 kg to keep the soil moist. 2. Solanaceous fruits, fruits and vegetables such as peppers, eggplants, bitter gourds, cucumbers, etc. in autumn are due to large tree types and require more water. In the morning, they put “Happy Horse Waterâ€, ie irrigation and rowing, and appropriate topdressing of urea and potash (per Mushi 20-30 kg), to prevent falling, fruit drop, is conducive to the normal growth of vegetables. 3, drought-resistant water-based, such as the use of furrow irrigation, ditch water retention time can not be too long, in the case of rain, to prevent the accumulation of water affect the growth. 4, cultivator: uncovered mulch cultivation should be promptly cultivator turfgrass. Vegetable powder is a powdered vegetable particle made from vegetable raw materials that are dried and dehydrated first, and then further crushed; or first be mashed, and then spray-dried to be uniform. Covers carrot powder, tomato powder, potato powder, pumpkin powder, red beet powder, spinach powder, celery powder, yam powder and other vegetable categories. 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