Strawberries should be grown in fertile, loose neutral or slightly acidic loam. It is not suitable for cultivation in soils that are too sticky. The soil is fertilized, water is poured, and strawberries can be grown. According to the growth characteristics of strawberries, the use of under-film drip irrigation technology for strawberry planting will have significant yield-increasing benefits. It is an important technical guarantee for high-yield, high-yield and high-efficiency strawberry production in greenhouses. Drip irrigation not only has the advantages of water saving, energy saving, and dehumidification. At the same time, it can also adjust the microclimate, improve the growth environment of strawberries, and combine topdressing with fertilization and pesticide application.
Selection of drip irrigation capillary. For densely planted crops such as vegetables, the roots have a small development range and are very sensitive to the supply of water and nutrients. The density of the dripper is required to be large, and the amount of capillary tubes is large. Therefore, the drip irrigation belt with lower price is used to effectively reduce the drip irrigation cost. It is reliable in operation and easy to install and use.
The arrangement of drip irrigation under the membrane. Before drip irrigation into the shed, the ridge should be erected, the ridge width is 40 cm, the height is 10-15 cm, and the middle double low ridge is made. The drip irrigation belt is placed in the middle low depression of the double high ridge, and the ridge is covered with mulch. . The center distance of the double ridges is generally 1 meter, so the spacing of the drip irrigation tubes is 1 meter. Each length of the drip irrigation capillary is generally equal to the length of the shed, and sometimes two vegetables are required for the large amount of water. The length of the branch pipe is generally equal to the length of the shed. Install a fertilizing device and a secondary mesh filter at the head of the branch pipe.
In order to achieve the best effect of strawberry drip irrigation,the design,installation and management must be standardized.It is not possible to remove the filter facilities and punch holes at any position. Strawberries under the greenhouse,the mesh inside the filter should be cleaned frequently, and the filter should be replaced if it is damaged. The drip pipe network should be found to promptly open the plug for flushing.
The principle of dripping should follow the principle of “wet without drying, dry without drought”, depending on the water demand of each growing season of strawberries. The relative humidity of the soil is kept at 50%-60%. 80% of strawberry roots are distributed in the soil layer 15 cm below the surface, and the topsoil is very easy to dry, so the drip should be a small number of times.
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