samedi 17 juin 2017

Categories Of Irrigation Systems Southern NH

By Stephanie Snyder


Crops undergo stress during the drought season or when rainfall is unevenly distributed and to sustain their growth water is applied artificially through sprays, pumps, and pipes. It is usually done constantly or at intervals. To support this, farmers have adopted irrigation systems Southern NH. There are many sources of irrigation water which may include; harvested rainwater, underground or even the surface through reservoirs, rivers, and lakes. Irrigating controls weeds, crop production and preserving landscapes. Before choosing the system farmers should know the different ones that exist.

Surface watering is one of these methods. The water is applied to the land and flows following the slope without involving pumping. It infiltrates into the soil slowly and absorbed by the plants. Surfacing is divided into a furrow, border strip or basin. The method is also referred to as flood irrigation if the land if completely covered with free water. However, it can cause water-logging and deep drainage.

Putting water on the soil surface using pipes, tubing, valves, and emitters are called drip, micro or trickle. Water penetrates into the surface of the ground or to the plant roots directly by drops. It is possible to add inorganic fertilizers. Use of drip lines is preferred because it ensures water-efficiency due to reduced runoff and evaporation. It fits in both large-scale or small-scale farms. Despite this, a person with the ability to design, install and run the system is required, and soils can also clog the pipes.

Use of overhead sprinklers is used where water is conveyed through pipes and under high pressure it is applied on the land like the rain. As the water drops it cools the soil and crops protecting them from frost, also it ii efficient and uniform. The system can be implemented on various land terrains and soil types. However, huge capital to initiate is used.

Center pivot irrigation has also been widely adopted. One pipe is held up by some mobile towers in a row and is placed above the ground two to four meters. It is self-driven, and the water in the middle pipe is supplied as the towers slowly rotate in motion. Nozzles are also fixed on the pipes and as they move around the land is irrigated. Therefore, it is efficient and reduces tilling operations.

Use of manual watering cans and buckets. The system requires little infrastructure and technical equipment although it is labor intensive. It can only be done on a small piece of land. The land is irrigated where necessary. Thus, it helps in water conservation.

As mentioned earlier, you direct the water below the soil surface at the root area where upward absorption later occurs for growth. It has been widely embraced in places with a raised water table where sugarcane, peppers, and tomatoes are grown. Less labor is required, strong plant growth and irrigating is uniform.

Farmers have also adopted irrigating using the lateral move. Such is done by use of pipes fitted with a wheel and some sprinklers which run across the field covering a certain distance. It is less expensive but however, more labor is needed to change the pipes.




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