Soil Moisture Meters Guide Irrigation Optimum Opportunities

Soil water refers to the water contained in the soil voids or absorbed in the soil. Soil water is the material basis for plant growth and survival. It not only affects the yield of forest trees, field crops, vegetables and fruit trees, but also affects the distribution of land surface plants. The change of soil water has a very close relationship with the growth of crops. The change of soil moisture is caused by the movement of soil water. Most of the water absorbed by the crop comes from the water in the soil, and there is water in the air. Water is also the most important material for crop growth. It is related to the speed of crop growth and harvest. Therefore, the rapid and accurate determination of soil moisture has positive significance for improving farmland operations. At this point, the soil moisture quickness meter played a role in boosting the waves.

However, from the point of view of plant growth, the effective water content of the soil is very important. Effective water content means the water content of the soil. Beyond the permanent point of decay, which is the amount of water that the plant absorbs as the permanent watering point and the amount of soil moisture in the field, many experiments have shown that if the soil moisture content is lower than the permanent withering point, it is not suitable for the growth of the crop, and the soil is known. The water content in the water is properly irrigated so that the quantity of irrigation can be controlled and the water resources can be reasonably used. This can be done using a soil moisture recorder. It can record soil temperature, soil moisture, atmospheric temperature, atmospheric humidity and dew point in real time, providing scientific basis for differential water-saving irrigation. At the same time, accurate water supply is also beneficial to increase crop yield and quality. Soil water content below this value, the crop is difficult to absorb water, growth retardation. This indicator can be regarded as a turning point for crop water absorption. Its value is about 60-70% of the field capacity, which can be used as the lower limit of the suitable humidity of crops, or as an indicator of irrigation. When the soil water is continuously depleted due to the water uptake by the plant roots and evaporation of the topsoil, the moisture content of the soil is continuously reduced, the soil water suction increases, and the root water absorption of the crop becomes more and more difficult. When the amount of leaf surface evaporation is greater than the amount of water absorbed by the root system, the leaves of the crop will shrink and hang and show withering. When the water content of the soil is lower than a certain value, it will win when appropriate irrigation. In the process of irrigation, if the amount of water is too much, the soil will be aerated due to too much water, which will result in the need for water to recede and at the same time lead to alkalinization of the soil. If too little water is passed to cause the cell's water to absorb slowly, it is generally not appropriate to maintain the cell's expansion and withering. Therefore, it is not better to use more water when irrigating.

How to control the timing of soil irrigation and the amount of irrigation water, at this time we need to use related instruments, such as soil moisture measuring instrument. In addition, the soil moisture quickness tester can be replaced with a soil moisture temperature quick tester. The soil moisture temperature quick tester can not only measure the soil moisture but also simultaneously measure the soil temperature. Because soil moisture and soil temperature are two factors that influence each other, we should also measure the soil temperature while simultaneously studying soil moisture. In addition, if it is necessary to measure the soil moisture at different depths, we can also use the site-specific monitoring system to measure. Because the fixed-point public opinion monitoring system can realize the simultaneous detection of the vertical six-point method, it can measure soil moisture at different depths and is more suitable for spatially different comparisons.

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