The use of water-saving irrigation in greenhouse not only improves the utilization rate of water and fertilizer, but also effectively avoids root injury in winter. It can also be irrigated normally when encountering cloudy days without causing diseases caused by excessive humidity in greenhouse. In summer, on the one hand, it is necessary to adopt flooding irrigation to reduce the temperature in the shed. On the other hand, this period is the stage of soil treatment in stubble shed. Therefore, it is necessary to put the integrated equipment of water and fertilizer in irrigation facilities for temporary storage. Here the technicians remind vegetable farmers that four points should be paid attention to when the irrigation facilities are put away for temporary storage.
First, before collection, the sediment in the pipeline should be washed clean.
It is understood that most of the filters installed in the vegetable greenhouse for water-saving irrigation facilities are mesh filters and disc filters, which have good filtering effect on larger sediment particles, and finer sediment will enter the pipeline through the filter or filter and deposit in it.
Therefore, before the capillary of water-saving irrigation is collected, the closed end of the capillary should be opened and the sediment inside should be washed out by increasing the water pressure. The capillary can be shaken several times during flushing. After that, the capillary can be removed and the water in the capillary can be drained clean and collected.
Second: Keep it away from the sun and shade.
After the pipeline is put away, it should be stored in the shade of the dark and ventilated place. It must not be exposed to strong light. This will seriously reduce the service life of the pipeline. Reporters in the interview found that many vegetable farmers put the pipeline on the hanging vine steel wire under the vent at will, as long as it is not in the way, it has been stored in the next crop of vegetable planting. Other vegetable farmers leave the pipes in the shed and then close the shed, which will greatly reduce the service life of the pipes.
The best way is to roll up the pipe, try not to take folding method, because after folding, the pipe wall at the corner is prone to wear and tear, once there is a break, the whole pipe can not be used.
Thirdly, the main pipes of the front face can be covered with non-woven fabrics.
Generally, the main water-saving irrigation pipeline installed in the greenhouse is located in the front of the greenhouse. There are few farming operations here, so long as the pressure is adjusted well, it is not necessary to move any more. However, the main pipelines need to be protected in summer. Although the main pipe is hard in texture, it can not be exposed to high temperature and strong light. Reporters suggest that the main pipe can be covered with non-woven fabric to avoid strong light.
Vegetable growers who choose stuffy greenhouses should clean the main pipes in time and put them in a cool and dry place for storage.
Fourth: timely removal of damaged pipelines
After several years of using water-saving irrigation pipeline, there will be some damages one after another. When the pipeline is put back and stored, we should carefully observe whether there are damages in the pipeline. If damages are found, we should remove the pipeline in time. It is convenient to replace new pipes when reinstalling the next crop of vegetables before planting.