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[Plant Protection Technology] Post-Wind Irrigation – How to Conduct Spring Irrigation After Sandstorms?
Release time:
2025-04-18 10:41
Recently, strong winds and temperature drops across China have failed to bring sustained rainfall, instead carrying sand and dust, accelerating soil moisture loss. Under these conditions, scientific spring irrigation becomes crucial. So, how should farmers properly conduct spring irrigation after such windy conditions?
1. Inspect Farmland Infrastructure
First, conduct a thorough check of irrigation systems. Strong winds may damage pipes, sprinklers, or clog channels. Promptly repair any issues, clear debris like branches and weeds, and ensure smooth operation to prevent water waste and uneven irrigation.
2. Assess Soil Moisture
After the winds, test soil moisture promptly using a moisture meter or the simple "hand-squeeze method": if soil crumbles after squeezing, it indicates insufficient moisture, requiring immediate irrigation. Adjust water volume based on soil dryness, local weather, and crop conditions to avoid over- or under-irrigation.
3. Choose Efficient Irrigation Methods
Drip or sprinkler irrigation is ideal—they deliver water directly to roots, minimizing evaporation and deep leakage while preserving soil structure. Sprinkler systems can also improve microclimates, mitigating the drying effects of strong winds.
4. Optimize Irrigation Timing
Timing matters: irrigate in the early morning or evening when temperatures are lower and evaporation is reduced, enhancing water absorption. Avoid midday irrigation to prevent rapid water loss and potential heat stress on crops.
5. Combine Irrigation with Fertilization
Post-wind conditions may lead to nutrient loss and crop stress. Integrating fertilization with irrigation helps replenish nutrients, supporting faster recovery and healthy growth.
Weather Outlook & Safety Reminders
In the coming week, northern regions will experience strong winds, with sandstorms in some northwestern areas, while southern China faces continued rainfall. Farmers should adjust irrigation or drainage based on local conditions to protect crops. Always prioritize personal safety and avoid fieldwork during extreme weather.
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