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Knowledge of garden irrigation system

Knowledge of garden irrigation system

Knowledge of garden irrigation system

Irrigation is an essential part of the garden. Garden irrigation systems are important.There are several common irrigation techniques: flood irrigation, sprinkling irrigation, micro sprinkling irrigation, drip irrigation, and irrigation.Some places also have seepage irrigation, fog irrigation methods.

The main garden irrigation system is as follows.

Flood irrigation: irrigation water in the process of planting plots on flow, with the help of the water itself gravity and capillary effect of the moist soil, or establish a certain depth of water in the plot, infiltration in the soil, a method with the help of gravity.

The method is simple to operate, low utilization of water, large waste water resources and serious soil structure damage.

Spray irrigation: spray irrigation is a kind of irrigation method that can spray water with certain pressure above the planting plot and form small drops of water.

Spray irrigation is composed of pressure water, water supply pipe and sprinkler head.

Sprinkling irrigation is an advanced method.

At present, the sprinkler irrigation is based on the structure of the sprinkler head, which includes the retractable sprinkler head and the plunger type rocker nozzle, plastic micro-sprinkler head, etc.It is widely used in garden irrigation system.

The installation and construction of sprinkler irrigation and maintenance are more complicated.

Since the conventional sprinkler head has a large range, the coverage area is generally over 7 meters, so this method is generally used only in large lawns.

Micro-sprinkler irrigation: a sprinkler system with a single nozzle range or an area under 4 m.

The advantage of micro-sprinkler irrigation is that the nozzle has a small range, low flow and even irrigation.

Advantages: low pressure and low flow rate of micro-sprinkler irrigation, which can increase soil moisture and improve air humidity and adjust local microclimate.

Disadvantages: installation of complex, spray head and water pipeline are generally exposed to the surface, not beautiful, not easy to manage and maintain.

Pipe irrigation: the method to direct the irrigation water to the planting plot by manually dragging the water.

The method is simple to operate and has better effect than flood irrigation.

This method is very demanding for workers’ technical experience, while the workload of workers is very high.

The effect of irrigation is entirely dependent on the experience of the workers.

The distribution of irrigation water is not uniform, and the water is wasted. Generally, irrigation water is excessive, and the impact of water on soil and crops is strong, and the soil structure is badly damaged.

In the past there has been no professional villa garden irrigation equipment, the traditional garden irrigation equipment is too simple and rough cannot satisfy the use requirement, so this method is still in the villa, living community.

Drip irrigation: drip irrigation is an irrigation method for irrigation water that has a certain amount of pressure through pipes and pipes to drop a drop of irrigation water into the soil near the roots of the plant.

Advantages:

  1. Improve quality and increase yield and efficiency.
  2. Maintain soil structure.
  3. Control temperature and humidity.
  4. It is beneficial to maintain soil aggregating structure and plant absorption.

Disadvantages:

  1. Complicated installation, easy to plug and easy to maintain.
  2. Easy to cause blockage.
  3. It may cause salt accumulation.
  4. The development of the root system may be limited.

Seepage irrigation: it is a method to infiltrate irrigation water slowly into the root water absorption layer of the plant through underground permeable pipes buried in the soil.

The main advantages of seepage irrigation are:

After irrigation, the soil remains loose, which does not damage the soil structure, does not produce soil surface, and provides good soil moisture status for the crops.

Low surface soil moisture can reduce evaporation on the ground.

The pipe is buried underground, which can reduce the land area, facilitate the transportation and field operation, and can simultaneously conduct irrigation and agricultural activities;

The irrigation water efficiency is high;

It can reduce weed growth and plant pests and diseases.

With low flow rate and low pressure, it can reduce power consumption and save energy.

The main disadvantages of seepage irrigation are:

The surface soil moisture is poor, which is not good for the germination and seedling growth of crops.

High investment, complex construction and difficult maintenance;

Once the pipe is blocked or damaged, it is difficult to inspect and repair.

It is easy to produce deep seepage, especially for light soil with strong water permeability, which is more prone to leakage loss.

However, For garden irrigation system,there are special requirements for underground seepage irrigation, how to prevent the root entanglement and soil blockage is difficult to solve.

At the same time, the method also requires that the osmotic pipe has high permeability and anti-clogging property, which is very demanding for irrigation water quality.

Construction is also difficult.

The method of Garden irrigation system is still in the experimental stage.

By | 2018-02-21T01:32:15+00:00 二月 18th, 2018|Water saving irrigation|0 Comments