——Details on the integrated mode of high-yield corn production technology
China Academy of Agricultural Science and Technology Innovation Project "Maize high-yield and high-quality integrated technology and efficient production model establishment" project, with the selection of excellent varieties and crop cultivation, plant protection, soil fertilizer, agricultural machinery and other innovative technologies as the main body, combined with local mature technology Tackling key problems, the demonstration of high-yield and high-yield corn production model was carried out, and two technology models were integrated and assembled in Dezhou, Shandong, Fuyang, Anhui Province, and Tongliao, Inner Mongolia. The first is the super high-yield research model, which is the “five amalgamation of agricultural machinery agronomy and scientific sowingâ€; The second is a large-scale production model, that is, "six combinations of agro-machinery agronomy and six science sowings."
After preliminary test production by experts, a 10-mu high-yield field project in Wucheng County, Dezhou, with eight integrated six integrated technology models, can achieve 1,000 kilograms per mu, which is generally 300-400 kilograms higher than the local mu, and 400 yuan per mu. , Acre saves 5 workers and saves 400 yuan.
With six integrated six integrated technology model, in Wuzhou County, Texas, the yield of 800-850 kg per mu, generally 150-200 kg higher than the local mu, 300 yuan per mu, 5 mu savings, 400 yuan savings.
The integrated mode of high-yield and high-yield corn production technology is suitable for the cultivation of summer maize in the Huang-Huai-Hai area. Now the technical details are introduced to the farmers.
Agricultural machinery and agronomy eight matching
1. Select good varieties of coated seeds.
Select Zhongdan 909 fine varieties with high density, resistance to lodging, resistance to rain and sunshine, high yield potential, and stable yield. The seed quality is high and the seeds are coated. Seed coating agent with high + + Rickettsia (or coating agent with Po Road + Rui Sheng + Ford + good facilities).
2. Scientific sowing.
Grab, exterminate, wide and narrow lines, soil testing formula, three fertilization, or deep tillage and no-tillage multi-fertilization, dense planting.
3. Foliar fertilization.
When the corn grows to 3-5 leaves, timely spray Tubaokang and Aiwofu foliar fertilizer, so that the roots under the bar, increase the toughness of the stalks to cultivate strong seedlings, in the spray of fertilizer on the face fertilizer fat blessing Ge, a drug and disease control. Each mu can increase about 30 kilograms. 4. Unified defense rule.
(1) Chemical weeding, sowing of soil moisture before sowing after the seedlings are sprayed on Yuyingxiu landfill herbicide in a timely manner, if the soil drought selection of post-emergence herbicide, cultivating, Jin Yujie, Yu sleeves and other comparison of corn Safe herbicides, strict spraying time and dosage, with particular attention to the use of organophosphorus pesticides, to prevent the occurrence of herbicide phytotoxicity; for individual weedy plots, post-emergence herbicides.
(2) General defense against diseases and pests, when the corn tassels in time with Yangcai 100 ml + love Wolfowitz 10 ml or Po Road 20 ml + enemy off 20 ml + Avevo 10 ml prevention and treatment of various diseases can also be on Fogo or Forge insecticides control tassel aphids and ear corn borers and are uniformly controlled by aircraft spraying.
5. Chemical control and prevention.
In order to prevent corn lodging, in the six-leaf as one unified spraying jade gold control Wang pharmaceutical, jade gold 1500 times per mu, spraying 30 kg, can reduce plant height and ear position of about 20 cm, control effect of Wang is very obvious.
6. Artificially assisted pollination. At the time of pumping males, they stood on their backs and pulled ropes with bamboo ropes to artificially assist the pollination of maize to increase the number of spikelets and prevent corn tipping.
7. Late receipt.
Without delaying the sowing of wheat under the circumstance, according to the corn grain filling process and the progress of the milk line as late as possible. Before and after October 5, mechanical harvesting of corn was completed. The timely and late harvest of corn is a technique for increasing production, which is to harvest the corn one week after turning white, which will help increase grain weight by about 30 kilograms per mu.
8. Full mechanization.
Corn is fully mechanized and mechanized from sowing, watering, fertilizing, general defense, and harvesting to reduce labor input, reduce planting costs, and increase planting efficiency. Compared with traditional planting methods, it can use 5 labors per mu and increase efficiency by 400 yuan/mu.
Science Sowing Six Fusion
Grab when, ridicule (paste), wide and narrow line, with soil testing formula fertilizer, three fertilization (crop deep no-tillage multi-fertilizer), dense planting.
1. When to grab.
"In the spring and summer competition," the planting was completed within two days of June 12 and 13. It is required that sowing be completed before June 15.
2. Kill the cockroaches.
After the wheat is harvested, it can be exterminated in a timely manner with a stubble machine to reduce the occurrence of pests and diseases. In the super high-yield research, we must extirpate the seeds and sow in the high-yield, high-efficiency and large-scale popularization mode. 3. Narrow row planting.
When planting, sowing is carried out using a wide and narrow row. Generally, 80 cm in big rows and 40 cm in small rows are planted in a wide and narrow row, which is conducive to the ventilation during the growth of corn, and is conducive to agricultural management in the field. 4. Soil testing and fertilizer.
Soil-taking tests were carried out and fertilizers were formulated according to the test results and yield targets. Balanced fertilization and scientific fertilization were conducted.
Follow the rules of soil testing formulation and balanced fertilization. Fertilizer type and amount of fertilizer: Each acre need to apply 3 m3 of high quality organic fertilizer, 28-30 kg of pure nitrogen (60-65 kg of urea), 18-20 kg of phosphorus pentoxide (standard superphosphate 125-150 kg), 28-30 kg of potassium oxide (57-60 kg of potassium sulfate) and 1.5 kg of zinc sulfate.
Fertilizer: Choose controlled-release formula fertilizer (20-10-15) 40 kg + calcium, magnesium, calcium, and other trace elements fertilizer 20 kg + 2 kg of zinc sulfate as a seed fertilizer, must be sowing seed isolation, avoid seed fertilizer .
Top-dressing: In the small bell-mouth period of maize, acre-controlled release fertilizer (20-10-15) 40 kg + potassium sulfate 7.5 kg, in the corn grain period (after tasseling) acres topdressing urea 15 kg.
5. Three fertilization (splendid no-till multi-layer fertilization). Trinity fertilization is to apply 5 centimeters to the left, right, and bottom of the seed at the time of sowing, and complete the sowing and fertilization at the same time. The deep pine multi-layer fertilization is divided into three layers below the seed, fertilized every 5 cm. To protect corn by multi-level and multi-level absorption of fertilizers, the deep pine can break the plough bottom layer, which facilitates the roots to tie down, without adding fertilizer, and has a long period of high efficiency. The sowing machine adopts the “three-in-one fertilizer planter or deep-slug multi-layer fertilizing planter†to sow and complete the sowing and fertilizing at one time. It is required that the headwater be poured in time after the broadcast to ensure that all seedlings are broadcast. Super high-yield research field, increase the application of a bag of organic fertilizer per acre, an increase of 50-100 kg per mu.
6. Moderate close planting.
Scientifically increasing the density, the field density was 6500 strains, and the field density was over 5,500, which laid a solid foundation for high corn yield. Planting density of 6500/mu requires land spacing of 14.5 cm and the theoretical number of 7076 trees; for a planting density of 5500/mu, the required spacing is 17 cm, the theoretical number of strains is 6036, and for a planting density of 4500/mu Planting distance 20 cm, mu theoretical number 5130 strains. Each mu can increase about 150-200 kilograms.
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