This year, droughts have occurred frequently in China, with spring drought, drought and autumn drought. The occurrence of autumn drought not only affects the normal grouting and ripening of summer-sown crops and part of late-maturing spring-sown crops, but also delays timely sowing and emergence of autumn crops. To deal with autumn drought and ensure autumn grain production, the following measures can be taken mainly:
The first is the application of cerami irrigation technology. The agricultural technology promotion departments at all levels must address the trend of drought in autumn, regularly carry out public opinion monitoring, grasp the laws of changes in farmland soil moisture content, understand farmland soil water supply and crop water scarcity, and propose scientific drought resistance technical measures according to crop water requirements. Peasants' friends must pay attention to the weather changes and the results of public opinion monitoring at any time, and actively prepare for drought and irrigation.
The second is to make full use of various water sources. In areas where there is water, according to soil moisture conditions and crop water requirements, full use of irrigation facilities will be made timely and water-saving irrigation techniques will be actively adopted. In areas with severe seasonal drought, in the rainy season, water collection facilities such as water cellars or reservoirs are fully utilized in the rainy season. After the use of mountainous areas, hilly slopes, and roads with certain rain-collecting surfaces, the runoff rainwater is subjected to sedimentation and filtration. Accumulated in the rain collection facilities for use.
The third is the use of water conservation technology. Where irrigation water is not available, measures such as cultivating and weeding, arranging soil, and applying organic fertilizer should be stepped up to improve soil physical and chemical properties and reduce the consumption of ineffective soil water and nutrients.
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