The Role of Soil Moisture and Drought Monitor in Agricultural Drought Resistance
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Jiangmen Hongyi Electrical Appliance Manufacturing Co., Ltd. is a professional enterprise which aims at producing household electrical appliances. Our company is located in Jiangmen City, Guangdong Province. We are adjacent to Guangzhou, Shenzhen, Macao and Hong Kong. The transportation is very convenient.
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Soil moisture has a highest, most suitable and lowest base point for crop growth. Below the lowest point, crop growth stops or even dies; above the highest point, roots suffer from hypoxia, suffocation, rot, plant growth difficulties or even death; The most suitable range, in order to maintain the crop's moisture balance, to ensure good crop growth and development. When the moisture in the soil cannot meet the needs of the crop, the crop will show a state of withered ginger. The wilting coefficient (that is, the soil moisture t when the crop is permanently withering) is the lower limit of the effective moisture of the soil, and the lack of moisture is harmful to the crop. Concentrated performance is as early as possible. The frequent occurrence of soil drought is characterized by the lack of available moisture for the soil to absorb and use. Root water absorption can not meet the needs of normal transpiration and growth of the crop. The soil moisture content falls below the wilting coefficient, and the middle loam soil is 6~8. The loam is 7-10, and the heavy loam is 9-12.
The soil moisture monitored by the Soil Moisture Monitor and Drought Monitor can correctly reflect the premature condition. According to the soil moisture content, it not only can correctly guide the anti-early, optimized scheduling, water-saving irrigation, but also provides a scientific guarantee for the successive harvest of crops. In terms of winter wheat in Handan City, past farmers believed in the harvest belief that “wheat land cannot be dried and it has been poured into wheat cultivarsâ€. Generally, it is seven or eight years of water, and it is flooded with irrigation water. The water per mu is over 80 cubic meters. Now press Soil moisture monitoring and reporting irrigation, even in dry years, only 4 times, and irrigation water per mu less than 45 cubic meters.
Using soil moisture and drought monitoring instruments to monitor soil moisture can not only save water resources greatly, but also increase the yield per mu as much as possible. The monitoring and harvesting situation of Handan City will be used to analyze if the whole city will use 10,000 mu of cultivated land. With the addition of soil moisture monitoring points, the annual savings of 2.5 billion cubic meters of water can be equivalent to the construction of a large-scale reservoir (120 million cubic meters of Dongwushi Reservoir in Handan City). This is only the water saving effect of winter wheat. Cotton also implements soil moisture monitoring and watering, and it will also receive significant water-saving effects.
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