The mulch film is a vital agronomic measure in the production of vegetable vegetables. It plays an important role in regulating ground temperature, retaining water and fertilizer, inhibiting weed growth and reducing humidity. After entering the autumn, it was time for the vegetable farmers to lay the mulch, but many vegetable farmers ignored the following two points when covering the mulch, which affected the growth of the plants and eventually led to a significant decrease in the product and quality of the vegetables.
Covering the mulch throughout the shed -
Soil compaction is airtight
Disadvantages Analysis Many vegetable farmers cover the mulch film directly when covering the mulch film. After the operation of the mulch film has been stepped on numerous times, it is closely attached to the ground. When planting water, it will also compress the mulch film, which seriously affects the mulch film. The permeability of the soil not only hinders the respiration of the roots of the vegetables, but also causes root dysplasia and also causes the soil to become more and more knotted.
The improvement suggestion advocates that the vegetable farmers do not mulch the mulch. The mulch of the planting line is preferably arched. For example, the short steel wire is arched, and the steel wire is cut into one meter. After bending into a "C" shape, both ends are inserted into the soil, and then laid. The mulch film, when the length of the general seed is about 12 meters, it is necessary to use 8 wires for simply using the short wire to arch. It can also be used with nylon ropes to reduce the number of steel wires used. For example, in the case of a 12-meter-long shed, 4-5 wires can be used, and then the tops of the wires formed by the wires are connected in series. The ends of the nylon rope are fixed with wooden wedges or iron wedges. Some farmers will draw two wires at the front face and at the root of the rear column, and the nylon rope will be fixed on the wire.
This covering film can realize watering under the membrane, which not only improves the permeability of the soil, but also makes it difficult for the moisture to volatilize outside and reduces the humidity in the shed; and the operation line is best to cover the crop straw, which not only improves the ground temperature, but also regulates the temperature. The humidity in the shed is multiplied.
The mulch cover is too early -
Root system does not tie down
Disadvantages Analysis In the greenhouse cultivation of greenhouses, the time to cover the mulch film should be determined according to the specific climatic conditions. For example, after the planting of autumn sorghum vegetables, the external temperature is high. If the mulch film is covered immediately, on the one hand, the mulch is too high, and it is easy to appear boring; on the other hand, after the mulching film, a moist environment is formed in the surface layer, which is not conducive to the root system. Growing up may cause the seedlings to fail, and it is difficult to cultivate strong seedlings and strong trees. It is recommended that the vegetable growers should cover the mulch film according to the specific weather conditions, and it is best to cover them at night. It is beneficial to the roots of the seedlings and cultivate the strong trees.
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