First, apply a nutrient-rich fertilizer during the early growth stage of wheat. At the heading phase, combine 3-5 kg of urea with irrigation per mu, which significantly improves the number of grains per ear and enhances grain weight.
Second, ensure proper irrigation during the grain-filling period. Water according to soil moisture levels, and keep the watering period within 10 days after flowering. Pay close attention to weather forecasts before applying water—avoid irrigation just before heavy rain to prevent lodging. For strong gluten wheat varieties, avoid using yellowing water for irrigation.
Third, use foliar fertilizer applications during the middle stage of grain filling. Mix 0.5-0.75 kg of urea with 8 ml of Tianfengsu and spray it using 30-35 kg of water per mu. Apply this solution once every seven days to increase grain weight, improve grain quality, and reduce the risk of heat stress from dry hot winds.
Fourth, implement comprehensive pest and disease management strategies:
1. Early prevention of powdery mildew and rust is crucial. Powdery mildew typically appears in mid to late April. If infected areas are identified, treat them immediately using 12.5% tebuconazole WP at 20-30 g per 50 kg of water, or 15% fenpropidin WP at 75-100 g per 50 kg of water. Monitor fields regularly and apply pesticides promptly when signs of infection are detected.
2. Prevent head blight by applying fungicides during the heading and flowering stages. Use 50% carbendazim WP at 100 g per 40-50 kg of water, and repeat the application every 5-7 days. Special attention should be given to susceptible wheat varieties.
3. Control midge infestations, especially around the end of April. Apply 50% phoxim EC (200-250 ml) mixed with 5 kg of dry sand and spread over 25 kg of ridges, followed by timely irrigation. In areas where adult midges appear after heading, if 2-3 adults are found per ridge, spray 50% phionol emulsifiable concentrate (50 ml) in 30-45 kg of water to control the population effectively.
4. Effectively manage wheat ear pests. When there are 500 toads per 100 ears, apply 25% chlorpyrifos emulsion (40-60 ml) or 15% Changle EC (50-60 ml), or 5% silver label No.6 emulsion (50 ml) mixed with 40-50 kg of water for effective control.
This detailed guide ensures that farmers can optimize their wheat yield through proper fertilization, irrigation, and pest management techniques.Welding Safety Glasses,Protection Welding Goggles,Anti Spatter,Auto Dimming Welding Glasses
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