บทความ เกจวัดแรงดัน

5 Factors to contemplate when choosing irrigation pump

เกจวัดแรงดันไฮดรอลิค are normally used to pump water from a lower to a better degree from which the water then flows via channels to the fields requiring irrigation or to raise it to the required strain head so as to spray the fields via piping techniques (sprinkling). The heads involved range from approx. 1 m for normal raise operation to 40 m for sprinkling. Ocassionally, heads greater than a hundred m may be required.
At instances, irrigation pumps are usually not outfitted with variable pace drives. The circulate price can subsequently be controlled by either switching the pumps on and off, or by utilizing a throttling valve within the discharge pipe, pre-swirl control (e. g. cooling water pumps), rotational pace or impeller blade pitch adjustment. Both horizontal and vertical pumps (e. g. tubular casing pump) are used as irrigation pumps.
For greater than 2,000 years farmers have used irrigation to grow food for the world. However, this doesn’t imply that every one irrigation strategies are equally helpful. Knowing what will work best in your scenario requires data about the options available, including the benefits and disadvantages of every. With that in mind, here’s a have a glance at five things to think about in getting water to your crops:
1. Soil type. The kind of soil in an space can affect not only the sort of irrigation methodology used but additionally the irrigation run instances. Sandy soils sometimes require frequent applications of water at a high fee to maintain moisture in the root zone. Clay soils has a attribute of holding moisture longer that sandy soils, even so, this will likely require frequent purposes at a decrease rate to stop runoff.
2. Land topography. When it involves land issues, hilly or sloping land is often a challenge. Drip irrigation works properly if the laterals can be run alongside topographic traces. Often system run times may must be adjusted to prevent runoff. Travelers and heart pivot methods are normally out of the query on hilly and severely sloping land.
3. Local weather patterns. In this case, sprinklers are much less desirable in areas where excessive winds are widespread and in arid areas with a low humidity since water losses due to evaporation could be extremely high. Drip irrigation works well for both of the above talked about conditions.
four. Type of crops grown. Sprinkler and drip methods can require excessive levels of investment. Therefore, it’s better to reserve their use for high-value crops like vegetables, small fruits and orchard crops somewhat than making use of them to commodity crops like wheat and soybeans.
5. Water quality. All drip irrigation methods require some type of filtration. Overhead systems such as sprinklers seldom require filtration. Irrigation water ought to be tested for water borne pathogens. Depending on the crop grown and irrigation methodology used chlorine injection may be required. Other water high quality points that could presumably be of concern include levels of soluble iron and different dissolved minerals.

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