Drip Irrigation use

We made a small shemku below, to illustrate, a simple example to show you how you can design around a small area of irrigation with drip irrigation. Please keep in mind that there are no ready-made solutions for all occasions, and given prmery can not be taken for a rule for all real-life situations. The purpose of this article poskazat you in the right direction and give the site planning methodology. Walk up to this task creatively, try to draw some options and to calculate them. So you can make the best and cost-effective version of your individual project, which is most suitable for your particular site.
Plan area

 

Think of the work on the irrigation planning for your site is not too serious. And, perhaps, it is not necessary to calculate all the fine details. Then, in practice, it may be that you want to change something, move move or do differently.
Almost all the components of a drip irrigation system can be dismantled and then reassembled. So do not do the project, "forever." Relax and poprobute evening or two to introduce ourselves landscape designer, but not simple, and the specialist who knows all the details of everything the site, all the tricks of drip irrigation systems, and design your own site, which is not afraid of any drought or drought or July heat!

Let's look at the scheme and try to pick up the necessary equipment for it.
This area is divided into several areas:

  • Residential house, framed on both sides of the lawn, there are trees.
  • Garden. He's at the top - left
  • Greenhouse.
  • To the right of the house lawn with flower garden and a plunge pool or ornamental pond. It has a flower bed with flowers and a few trees.
  • Further to the right - a platform for your machine
  • Above - Garden
  • On the perimeter, along the fence, can be placed decorative or fruit shrubs and climbing plants, which form a hedge.
Water supply:

The first step in the planning system - is to determine irrigated area.
You have to come from what source of water have on your site. This may be water supply, well, borehole or a container with water, set at a height.
The chart you see that each irrigated area is the point to which you can connect to and from her to do the wiring irrigation. A very important point: plan the pipework on the site so that you can easily and conveniently connect irrigation. This layout is desirable to make plastic pipes buried in the ground. Oh, and do not forget to connect your network to the main diluting the water supply!

Basic rules, or accidentally step on a rake.

In nature, unfortunately, there are laws of physics that we are not able to circumvent or defraud. Therefore, try to follow these rules and the irrigation system at your site will always work "perfectly well"!

Rule 1 : You can not use irrigation more water than can give your water source!
If you can get out of your faucet, for example, 1,000 liters of water per hour, you will not be able to irrigate multiple zones with a total consumption of water in 2000 liters. Therefore, watering each selected area in your yard at a time. Rule 2: You need to have pressure in your network and their equipment. This usually 0.5-2.0 atm. If the pressure is lower, you will not get the estimated irrigation rate. Well, if the pressure is higher, then you have to use pressure regulators which will drop it to the required level. Rule 3: Only a certain amount of water can flow through of the diameter of the tube at an operating pressure! For example, a tube or a drip irrigation hose of 1/2 inch in diameter - inner diameter of 16 mm at a pressure of 2.5 atm. can let through about 750 liters of water per hour. When calculating the number of drippers, multiplied by the performance of 1 - th dropper per hour or the number of sprinklers to water each sprinkler consumption per hour, determine the maximum quantity, connected to a tube. Rule 4 : you can not use the hoses drip irrigation unlimited length on one line! Even if you have a single drip at the end of the line, you can not use the hose of any length you want. Again, the laws of physics are on our way! For each meter of length of your handset, you lose some of the water pressure due to water friction effect of the wall of the tube. For all types of drip irrigation hoses is given its maximum length, depending on the hose model, its diameter, the distance between drippers and operating pressure. Use the table of specifications, and you will not have these problems. In fact, most of the problems described here are unlikely to meet you in practice, if your site is not too big. However, when designing irrigation remember about these rules.










 

Calculation of maximum amount of water from the water supply source.

Prepare what be an empty container, the volume of which you know. Turn on the water and fill the tank. Note the time. For example, a glass 10-liter bottle you have filled in 1 minute. Then there is a simple arithmetic: 10 x 60 = 600 liters per hour
This water is the maximum that you can use in one hour.
Please note that if, for example, at the same time you use water for other uses, the water irrigation will less.
Try to do the calculation of water supply for irrigation with the stock, and the measurement of flow rate of your water source, in the most unfavorable conditions, for example, in times when all your neighbors are busy watering.

Calculation of irrigation zones.

Now that you know how much water can be taken for irrigation, you can calculate the amount of irrigation areas.
For example, at the top of our scheme has the largest water consumer -. The garden
in the garden we have 9 beds, 20 meters long. We use, for example, a hose with built-in drips. The distance between the drippers 25 cm, capacity 2 liters each dropper hour.

  • The total hose length - 180 meters.
  • Number of droppers - 180: 0.25 = 720 droppers
  • Water consumption per hour - 720h2 = 1440 liters per hour.

Here we encounter the first problem! Our water source can only give 600 liters per hour!
How to solve the problem?
We'll have to break the garden into 2 or 3 of the irrigated area! Basically, we did need to do, as in the garden grow various vegetables, and water demand from them is also different.
Another way of solving the problem - use hoses with a larger distance between drippers, for example, 33 or 40 cm and a dropper with less consumption water, for example 1.5 liters per dropper.

Calculating the water consumption of each irrigation zone, you can determine whether you can include multiple zones. Do you have the water for their irrigation or irrigated areas should be included in succession, so that the plants were watered, and water for irrigation was enough!

Drip irrigation, or mikrosprinklery?

In an article about drip irrigation, we decided to write about the use minisprinklerov. Why?minisprinklerDrip

 

 

 

Selecting one of these two types of irrigation - is always the case, and the right of the site owner. Actually, there are special supporters as one or the other method of irrigation.
We just try to give some guidelines:

  • Vegetables, shrubs, and most types of trees best watered by drip irrigation.
  • Lawns, flower beds and some trees with shallow root system is better to water mikrosprinklerami.

Advantages and disadvantages of using minisprinklerov:

  • For even irrigation of large areas is better to use sprinklers to not install hundreds of meters of hose with droppers.
  • The drawback is that you can pour and areas, for example, tracks that watering is not necessary, and it will create excellent conditions for the growth of weeds. By the way, this applies to the garden.

When calculating the watering mikrosprinklerami consider the radius of the irrigated circle, jet type, water consumption by each sprinkler, the operating pressure.
There are sprinklers that allow irrigate full circle, and there are those that are irrigated sector in 180 or 90 degrees.
All should be considered when planning an irrigation zone these features and to select sprinklers depending on your needs, according to their specifications.

Please note that some of the sprinklers have replaceable nozzles that provide varying degrees of spray, and some allow you to adjust the radius of sprinklers and irrigation sector.

 

Details of the sprinklers and their applications, we will discuss in a separate article.

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