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The moisture of the soil has a great influence on the growth of the plant. Watermark sensor Watermark buried in the roots of the plant, it is very clear that the soil moisture is too high or the soil is too dry.
1. What is the use of soil tensiometers for growers?
A: In the past, many growers used their years of planting experience to determine when the plants were to be used to irrigate plants. With the development of agriculture, more growers hope to grow better plants, and the yield and quality of crops are higher. So they want to know the exact irrigation cycle of the plants and give them an irrigation time point. Soil tensiometers are such an irrigation point for growers. It clearly tells the grower if the plant is short of water, how long it will be dry, and how often it will be irrigated. In order to improve the crop product and quality.
2, soil tension range 0-100cb, how much should your farm soil tension?
A: Generally speaking, soil tension is in the following range, which means different soil moisture:
>80cb: Means that the soil is extremely dry.
20-60cb: This is normally irrigated soil and is very suitable for the soil moisture range where the crop grows.
10-20cb: It means that the soil contains more water.
0-10cb: means that the soil is in water saturation.
3. What information can soil tension meter give you?
A: The soil tensiometer can tell you the state of water saturation in the soil after yesterday's rain. Does it need to be postponed until the next irrigation cycle is re-irrigated. It can give you which month the soil is drier, and the irrigation cycle needs to be shortened to what time. Its reading can tell you directly how much the moisture content of the root area of ​​the crop is now.
4. In addition to the soil tensiometers that can be brought to growers, what are the benefits of maximizing crop yields?
Answer: 1. Reduce irrigation water. Based on the long-term monitoring of soil tension, accurate knowledge of the crop irrigation cycle will reduce many irrigation water use, reduce waste, and protect water resources.
2, reduce the pump energy consumption.
3, lower crop pressure, thereby reducing the diseases caused by plant diseases and insect pests.
4, to prevent excessive plant nutrient loss, especially nitrogen and boron.
5. Reduce the consumption loss of irrigation systems.
Soil tension meter practical application problems
In facility agriculture, a very important sensor is used to measure the soil moisture content. It is the soil tension sensor Watermark in the granular model. It is only 3 inches long and can be buried in the soil for a long time. Like a plaster block, the principle of its sensor is variable resistance. Its electrode is embedded in the gypsum wafer as a filler material. Plaster dissolved in water is a very good electrical conductor. Therefore, when there is a lot of water in the soil, there will be a lot of water in the electrode; when the soil is very dry, the electrode will also dry and the resistance in the electrode will increase.