Summer is the best season for crop growth and development, but high temperatures and pests and diseases have a certain impact on the high yield and stable yield of crops. Today, agricultural experts from Fengjinghui especially impart some experiences and methods, agricultural planting and production are carried out normally, and farmers' income can be effectively guaranteed. If you find these agricultural techniques and control measures useful after reading the article, you are welcome to share them with more agricultural growers.
corn
At the seedling stage of corn, chemical methods can be used to remove weeds in the field, such as matang, cow tendon grass, dogtail grass, li, amaranth, purslane, sedge, etc., saving labor, time and good effect. When weeds are not unearthed after watering before sowing seedlings, spray the ground with 50% acetoxamide emulsion 100 to 120 ml or 40% acetoten hydrate water suspension emulsion 150 to 200 ml to spray water 30 to 50 kg of water; 30 to 5 kg of water spray can be sprayed on the ground at the 3 to 5 leaf stage of corn, 75 ml of 4% chimney sulfuron suspension, or 200 to 250 grams of weeds and 20% of weeds, or 50 to 67 ml of chlorofluoropyroxyacetic acid emulsion, spraying 30 to 50 kg of water, and having a good anti-effect on broad-leaved weeds and grass weeds.
Spraying 30g per acre with 10% imidacloprid wettable powder or 3% avipyridine per acre with 20g of water can control thrips, while also treating gray planthoppers and aphids. 20% acetamidine water-soluble powder or 10% imidacloprid wettable powder 2000 to 3000 times liquid spray, or 60% pyridone • dilute pyridonamine water dispersible granules 1000-1500 times liquid spray can be used to prevent maize coarse shrinkage disease, and also treat thrips.
Second-generation armyworm, cotton bollworm, mu with 2.5% high-efficiency cypermethrin emulsion 25 ~ 45ml to water 50kg spray or 1.14% methyl vitamin salt per mu 30ml, water 30 ~ 40kg spray. Seedling blight, with 50% carbendazim 600 times liquid or 43% pentazole suspension 1000 times liquid spray prevention, spray again every 5 to 7 days. Two-point nocturnal moth, remove the corn seedling base wheat straw, weeds and other mulch, or drug control, with 48% chlorpyrifos emulsion 1500 times liquid or 40% acetaminum phosphorus emulsion 1000 times liquid. Farmland snails, 500 grams per mu of 6% tetraacetaldehyde granules, are thrown on the furrow surface in piles in the evening, or sprayed with 200 grams of water with 30% cornevir polyaldehyde mu.
peanut
At present, the new varieties of high-oleic peanuts, such as Luhua No. 19 and Huayu 951, have a significant effect on consumer health and processing, export, seed and other enterprises, and increase farmers' income, which is one of the fundamental directions for future peanut production and consumption. How to spend the summer to achieve high yields, Fengjinghui agricultural experts proposed that increasing the application of organic fertilizer and biological bacterial fertilizer to improve soil fertility can effectively solve the problems of burning seeds, empty shells, rotten fruits and so on.
High-yield fields generally apply 4 to 5 tons of circle fertilizer or 1 to 1.2 tons of decomposed chicken manure, 12 to 14 kg of pure nitrogen, 10 to 11 kg of phosphorus (phosphorus pentoxide), 14 to 17 kg of potassium (calcium oxide), 10 to 12 kg of calcium (calcium oxide), 3 to 4 tons of circle fertilizer or 0.8 to 1 ton of decomposed chicken manure per mu of high-yield demonstration fields, 8 to 10 kg of pure nitrogen, 6 to 8 kg of phosphorus, 9 to 12 kg of potassium, 8 to 10 kg of calcium (calcium oxide), 2 to 3 tons of circle fertilizer or 0.4 to 0.8 tons of decomposed chicken manure per mu in low- and medium-yield fields, 4 to 7 kg of pure nitrogen, 3 to 5 kg of phosphorus, 5 to 6 kg of potassium, 6 to 8 kg of calcium (calcium oxide). 。 Calcium fertilizer can promote firmness and fullness of pods, and can choose gypsum, lime, calcium superphosphate, lime nitrogen, calcium nitrate, calcium sulfate, etc. Soil nutrient abundance can be applied to boron, zinc and other micro-fertilizers, 0.5 to 1 kg per mu of boron fertilizer, zinc fertilizer.
Leaf spot disease and rust disease that occur in the pod stage of peanut can be sprayed with 300 g/L benzopyrcycrazole emulsion 20 to 30 ml/mu, or 19% acrylicopyroconazole suspension agent 10 to 15 g/mu, and 40 to 50 kg of water spray at the beginning of the disease; 25 g/l cypermethrin emulsion can be used for the prevention and control of aphids 25 g/l cypermethrin emulsion 25 to 30 ml/mu spray control of water at the beginning of the heyday; growth regulator can use 0.01% brassinolide solution agent 2500 to 3000 times liquid/mu, or 5% Enesozole wettable powder 400 to 800 times liquid / mu, spray on water 40 to 50 kg. Planting red hemp, beans, sweet potatoes and other honey source plants that are the natural enemies of grubs such as hip hook soil bees around the peanut planting area can effectively reduce the harm of grubs.
leek
Generally, late July and mid-to-late October are the peak period of leek larval harm, you can choose 25% thiamethoxamine water dispersible granules 120g/667m2, 25% thiamethoxine water dispersible granules 120g/667m2, 40% octyl thiophosphate emulsion 300mL/667m2 for control, or mixed with 5% fluorole uramine emulsion, and irrigate in the stem of leeks 2 to 3 days after harvesting, with a liquid amount of 300Kg/667m2. Thrips can be sprayed with 60g/L ethyl polybactericide suspension 1000 times liquid. The scaly moth can choose Bt preparation 1000 times liquid, and can also be sprayed along the groove with 10% chlorocarboxamide suspension 1500 times liquid.
Dust agents, aerosols are preferred for gray mold, and can also be sprayed on dry sunny days. The dust agent can be sprayed with 6.5% formyxillin dust agent or 6.5% vanillarin dust agent 1kg/667m2 spray once every 7 days. The aerosol can be selected from 45% bacillus clearing aerosol or 45% isobacterium urea aerosol (paracetamol) 120g/667m2, placed in 5 to 6 places, lit in the evening, closed overnight. The spray can be selected from 40% pyrimidine suspension 1000 times liquid, or 50% sacrolin wettable powder (humus) 1000 to 1500 times liquid, or 50% chlorhein wettable powder (isobacterium urea) 1000 times liquid. The use of chemical fungicides is prohibited for 2 weeks before harvest. Biological control can also be used, trichoderma agent (500 million spores /g) 1 kg/667m2 spray or Bacillus subtilis agent (10 billion spores/g) 150g/667m2 spray powder prevention; after lesions, 24% wellgangmycin + pyrimidine nucleoside 1500 times liquid spray can be used.
soybean
According to the natural conditions and planting levels of different regions, the soybean varieties with the right ripening period should be reasonably selected. The "Shengdou No. 5" and "Xudou 18" developed and cultivated by Shengfeng Group have a wide range of adaptations, and can be applied to potassium dihydrogen phosphate once every 7 to 10 days in the middle and late stages of drum grain (80 to 105 days after sowing) in the province, which can delay the aging of soybean leaves, promote drum grain, increase 100 grain weight, and increase yield. Foliar sprays of 50 to 150 mg/L or paclobutrazol of 100 to 200 mg/L are sprayed foliarly at the initial flowering stage to control the elongation and growth of the basal internodes and prevent lodging. It is necessary to strictly control the amount and timing of application and use of growth regulators such as enclobutrazol and paclobutrazol.
apple
In mid-July, the doubling of Bordeaux liquid was sprayed, and in early August, combined with its pest control, it was sprayed with an aspiratory fungicide. The ratio of the multiplication Bordeaux liquid is: copper sulfate: quicklime: water = 1: 2: 200. In orchards with Fuji as the main planting variety, the systemic fungicide should be mainly triazole fungicides, such as pentazole, etc.; for varieties sensitive to anthrax leaf blight, the systemic therapeutic agent should be mainly methoxyacrylate agents, such as pyrazole ether bacteriolates. When spraying, the whole branch and leaf should be evenly applied to prevent and control the branch rot disease, rot disease, and various diseases and insect pests that lurk and are harmful on the branches.
grape
To prevent and control grape downy mildew, black pox and anthrax, you can spray a protective fungicide with a long duration and resistance to rain erosion, and mix it with an inhalatory therapeutic fungicide, bagging as soon as possible after taking the drug, and spraying the same amount of Bordeaux liquid immediately after bagging. In mid-July, a series of systemic therapeutic fungicides were sprayed in combination with pest control, focusing on the control of white rot and downy mildew, and at the end of July and the beginning of August, a second equal amount of Bordeaux liquid was sprayed. The ratio of equal amount Bordeaux liquid is: copper sulfate: quicklime: water = 1: 1: 200. When spraying, the branches, stalks, leaves, wounds and other parts should be evenly applied.