I don't know if any of the farmers' friends have been exposed to the drip irrigation technology of the field crops. Today, Huinong.com has a good understanding of the advantages and application advantages of the drip irrigation technology of the field crops.
1 Main uses of drip irrigation technology for field crops
Datian crop under-film drip irrigation technology is a combination of film-planting technology and drip irrigation technology. It is a new type of irrigation technology that can transform the pressurized water source into a small water droplet through the drip irrigation pipeline system within the root range of the crop to realize the local section. Water irrigation. In the process of using this technology, it can also form a low-salt area within the root of the crop. In addition, the film covering itself can promote the evaporation between the trees, and the salt water can easily return to the ground. On the saline-alkali land, the crop can also Get a higher yield.
2 Main points of drip irrigation technology for field crops
2.1 Reasonable design of drip irrigation belt
In the process of applying the drip irrigation technology under the membrane, it is necessary to set the drip irrigation belt reasonably, and select the appropriate drip irrigation belt according to the planting species, plant and row spacing. For example, in the actual planting process of large ridge double-row corn, the planting mode used is 130-26-65, the width is 130cm, the diameter of the corn seedlings under the membrane is 26cm, the row spacing is 65cm, and the drip irrigation belt is laid at 65cm. In the middle of the seedlings. In the process of sowing corn, mainly located in the mulch, a 600m drip irrigation belt can be laid. The drip irrigation belt diameter is controlled to 16mm, the dripper spacing is 0.3m, and the working pressure needs to be controlled to 0.05~0.1mpa. Head flow can be determined by different soil geology, usually 2.5L/h. In the actual sowing process, a sowing and laminating machine can also be used for mechanization such as sowing, dripping, laminating and filling.
2.2 Reasonable determination of irrigation quota
In the process of clearing the irrigation quota, the precipitation and water demand can be specified according to the crop type and variety, so as to ensure the rationality of the irrigation quota. Compared with the traditional irrigation method, the drip irrigation technology under the film is mainly used for 1/8 of the water consumption, which is 70% of the general drip irrigation method. After clear irrigation quotas, it is necessary to determine the number of irrigation times and the irrigation period according to the law of crop water demand combined with precipitation and soil.
2.3 Rational use of drip fertilizer
In the process of using drip irrigation, it is necessary to determine according to the rule of crop fertilizer, the target yield and the fertility level of the plot, so as to ensure the rationality of the use of drip irrigation and maximize the healthy growth of crops. In the topdressing process, you can also choose some soluble fertilizer varieties, so as to avoid blocking the dripper.
2.4 Reasonable selection of supporting technology
In the process of applying the drip irrigation technology under the film, it is necessary to select some supporting technologies reasonably, so as to ensure that the value of the technology is maximized. In view of this, it is necessary to select a more excellent variety to exert the application effect of the technology; It is necessary to make a reasonable determination of the seedling density, so as to ensure the standardization of the plant and row spacing, so that the drip irrigation water and fertilizer can directly reach the crop root system; it is also necessary to timely prevent pests and diseases and avoid crop losses.
3 Application advantages of under-drip irrigation technology for field crops
3.1 Water saving, fertilizer saving, labor saving
In the practical application process, the drip irrigation technology under the membrane only wets the root development area of ​​the crop, which belongs to a kind of local irrigation, so there will be no deep leakage or horizontal loss, which can greatly reduce the water loss. Evaporation, compared to the traditional flood irrigation, this technology can save more than 70% water during use.
In the actual application process, the under-film drip irrigation technology will use soluble fertilizer. As the water droplets reach the root growth and development area of ​​the crop under the mulch, the root absorption will be more direct, and the fertilizer can be effectively reduced. Volatilization and loss, the maximum effect of saving fertilizer.
In the actual application process, the under-film drip irrigation technology usually does not need to carry out cultivating, and the soluble fertilizer and plant growth regulator can all be dripped with water. At this time, the number of machine-cultivation operations can be effectively reduced, thereby reducing the number of artificial tillages. To save labor.
3.2 Improve soil and improve land use efficiency
In the actual application process, under-film drip irrigation technology mainly adopts immersion irrigation. In this irrigation method, the soil will not be squashed and the aggregate structure will not be damaged, so that the improved soil can be effectively realized. purpose.
In the actual application process, the under-film drip irrigation technology will form a strict underground irrigation network from the underground pipeline from the water source to the field drip irrigation belt. At this time, the land will not need to be repaired, smashed and trenched again. This will effectively improve land use efficiency. Jishan Huayao
3.3 Improve labor efficiency, increase production and income
In the actual application process, under-film drip irrigation technology can not only achieve the effect of labor saving, but also promote the improvement of labor efficiency to the greatest extent, and maximize the application effect of the technology.
The above is the whole content of today. Under the application process of drip irrigation under film, because of the advantages mentioned above, the efficiency and economic benefits of crops in the actual planting process can be improved, and the purpose of increasing production and income is truly realized.
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