Northeast corn cultivation! 5 major pest control techniques for pesticide specialists, with year-round drug schedules (including cost control protocols)
Recently received private letters from a large number of corn growers in the northeast asking questions about "what about this year's red spider flooding?" "the costs of corn trouble control are too high!" a 15-year-old plant protection expert in the north-east, today with 1,200 words, has taught you how to save money and efficiently manage pests and diseases! The end of the text is accompanied by a full-year schedule of medications + a cost control manual, suggesting that the collection be viewed repeatedly
One, five major disease types and identification points for northeast corn
1 corn leaf disease (high incidence in the northeast)
Identification: brown v-shaped disease in leaves (with comparative figures)
High onset: july-august rainy season
Traditional error zone: misuse of microbicides leading to resistance
2-oct corn
Identifier: spiral of cavity (with realistic picture)
Eggregation period: late june-mid-july
Recommended pharmaceutical agent: bacillus suyun (bt formulation)
3 ️⃣ red spider (mask 300%)
Identification: silver spots of leaves (with microscope)
> 25°c + dry
Environmental programme: 1. 8 per cent avm + yellowboard booby traps
Corn rust (mixed field hair)
Identification: orange-red spasm pile on the back of the leaf
Prevention focus: rationally sequestered > 3,000 acres
Recommended combination: tricycling + dyson manganese zinc
5 ️⃣ corn dwarf (viral)
Identifier: cultivation of leaves (with contrast of disease)
Channel of transmission: aphid medium
Disruption programme: aridium + virus a
[expert alert] northeast growers need to focus on: 1) early frost and risk of disease (2) anti-pest varieties (recommended 958, 909)
Two, five high-impact technologies
Technology 1: uav precision application (cost reduced by 40%)
Operational elements:
- spray window: 9-11 a. M./ 4-6 p. M
- pharmaceutical ratio: 30 ml per acre + 10 kg fat
- flight altitude: 50 m (ensure that leaves are covered on their backs)
Technology 2: biological control package
Portfolio programme:
- disaster prevention: bt formulation (200g/acre) + sexual induction
- prevention of disease: bacillus stupor (500g/acre) + anti-fouling su
- environmental certification: meets ny/t 391 standards
Technology 3: physical control upgrade version
Innovative applications:
- cylinder density: 20 per acre (30 x 40 cm specification)
- jell-o formulation: red sugar: vinegar: wine: water = 3:4:1:16
- trapping device installation: 30 metres per acre
Technology 4: new soil treatment options
Operating process:
1. Fifteen days before seeding: 50 kg per acre of decomposition of cow dung
2. When seeding: 2 kg of octhion granular agent applied in ditches
3. Post-sapling: dispersing 5 kg grass-wood ash
Technology 5: integration of aqueous fertilizers
Data support:
- increased productivity: integrated treatment has increased yields by 18-22 per cent
- cost comparison: savings of $60-90 per acre
- water resource utilization: 40 per cent irrigation savings
Three, year-round schedule of precision drugs
It's the most common drug use in the month
|-|-|-|-|-|
| 50% suspended agent | 1/5 acre in march-april
May-june, 500 times more luminous than platinum per cent
| 红 红 红 | | + + + | | | | | |
| | | + + + + + + | | | /7 /7 /7 /7 /7 /7 /7 | | | | | |
| 1 /5 acres | 辛 辛 辛 辛 辛 辛 辛 辛
Four: cost control
Varieties selection: anti-disease varieties (e. G. Zheng zheng zheng zhu zheng zhu zheng zhu zheng zheng zheng zhu zheng zheng zheng zheng zheng zheng zheng zheng zhu zheng zhu zheng zheng zheng zheng zheng zhu zhu zhu zhu zhu zhu zhu zhu zhu zhu zhu zhu zheng zheng zhu zhu zhu zhu zhu zhu zhu zhu
Physicidal combination: bactericide + insecticide combination efficiency (e. G., ether acetylene + vinylchlor)
Procurement strategy: participation in provincial agricultural cooperative procurement (8-12 per cent discount)
V. Budget estimates
|-|-|-|-|-|
120 yuan per acre and 72 yuan per acre and 40% per acre
|80 usd/cm50 $/cm37. 5% |
Combined cost |200/acre |122/acre |39%
[expert proposal] priority configuration: drones (about 30,000 spent in the first year, back to 3 years), biopesticides (replacement of 30% of chemical agents)
[vi. Common questions qa]
Q1: will drone spray affect pollination
A: select low-altitude flat speed flight (<40km/h), avoiding pollination peak (7-9 a. M.)
Q2: are biopesticide effects sustainable
A: bacillus sprouts with 60 days in soil, recommended twice a year
Q3: how do we judge the efficacy of the drug
A: rate < 5% met, recommended 1 observation point per 10 acre
Vii. New policy reading
1. Full implementation of the "30 per cent reduction" initiative in the main corn-producing area of the north-east
2. Increase in subsidies for the procurement of biological pesticides to 35 per cent (15 yuan per acre)
3. Environmental requirements: prohibition of 22 highly toxic pesticides (with a ban list)
Action guide
1. Immediate inspection: if there are more than 10 per cent of disease strains in the field
2. Download tool: focus on the northeast agrotech applet (including the drug calculator)
3. A reservation service: free diagnosis at local agricultural stations (as of 31 august)
What kind of stubborn illness have you encountered? Welcome to the discussion, and say a few words to the top 10 for the electronic version of the northeast corn plantation manual
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