According to the Guizhou Provincial Climate Center, the precipitation in Guizhou is normal to this summer. Most of the areas with 2 to 50% are mainly distributed in the northwest and southeast of the province. It is expected that precipitation will be unevenly distributed after the flood season, and there will be more staged heavy rain events. The temperature is slightly higher than the northeastern part of the province above 1.0 °C, and the rest of the region is slightly higher. The temperature in the season is high, and the monthly variation is large. The temperature is high from the end of July to the first half of August, especially in the eastern part of the province. Sexually large, moderately light autumn winds occur at the end of the season.
In June, the province's rainfall was relatively concentrated. It is recommended that all localities should pay close attention to local weather forecasts, actively prevent local floods and secondary disasters, lightning protection and flood control work, and at the same time grasp the water storage and water conservation work of Shantang Reservoir. It is necessary to seize every precipitation process, grab water and fight the fields, plant the sorghum; strengthen the field management of dry crops such as corn and flue-cured tobacco, timely topdressing, cultivating, and loosening the soil to promote weakening and strengthening. Due to the rainy days and high humidity, it is prone to pests and diseases. It is necessary to pay attention to the monitoring and control of rice planthopper, potato late blight and rice water weevil.
Ammonia nitrogen refers to the compound nitrogen that exists in the form of ammonia or ammonium ions, that is, the nitrogen that exists in the form of free ammonia (NH3) and ammonium ions (NH4+) in water. The compound nitrogen in the form of free ammonia (NH3) and ammonium ion (NH4+) is called ammonia nitrogen. Ammonia nitrogen is a nutrient in water, which can lead to water eutrophication. It is the main oxygen-consuming pollutant in water and is poisonous to fish and some aquatic organisms. The ammonia nitrogen analyzer includes an Ammonia Controller and an Ammonia Sensor, and adopts the ion selection method. The ammonia analyzer has a wide measurement range, rapid response, and integrates display, control and output. The ammonia nitrogen controller has 2 relays, two 4-20mA current outputs and RS485 communication; the ammonia nitrogen sensor itself also has RS485 communication, which can be automatically cleaned underwater. The measuring range of the NH3 ammonia analyzer is 0~1000mg/L. Ammonia meters are widely used in surface water monitoring, industrial wastewater and municipal sewage monitoring, water treatment industry, boiler return water monitoring, deionization process monitoring, reverse osmosis monitoring, and aquaculture water monitoring.
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