Seedling raising non woven fabric

What is non-woven fabric for seedling cultivation and what are its advantages

Nursery non-woven fabric is a new and efficient covering material made by hot pressing polypropylene fibers, which has the characteristics of insulation, breathability, anti condensation, corrosion resistance, and durability. For many years, rice seedling fields have been covered with plastic film for seedling cultivation. Although this method has good insulation performance, the seedlings are prone to elongation, bacterial wilt and bacterial wilt, and even high-temperature burning. Ventilation and refining of seedlings are required every day, which is labor-intensive and requires a large amount of water replenishment in the seedbed.

Rice seedling cultivation with non-woven fabric is a new technology that replaces ordinary plastic film with non-woven fabric, which is another innovation in rice seedling cultivation technology. Non woven fabric coverage can provide a relatively stable environmental condition such as light, temperature, and air for the growth of early rice seedlings, promote better development of seedlings, and thus improve rice yield. The results of two years of experiments show that non-woven fabric coverage can increase yield by about 2.5%.

Advantages of non-woven fabric for seedling cultivation

1. The special non-woven fabric has micropores for natural ventilation, and the highest temperature inside the film is 9-12 ℃ lower than that covered by plastic film, while the lowest temperature is only 1-2 ℃ lower than that covered by plastic film. The temperature is stable, thus avoiding the phenomenon of high-temperature seedling burning caused by plastic film coverage.

2. Rice seedling cultivation is covered with specialized non-woven fabric, with large humidity changes and no need for manual ventilation and seedling refining, which can significantly save labor and reduce labor intensity.

3. Non woven fabric is permeable, and when it rains, rainwater can enter the seedbed soil through the non-woven fabric. Natural rainfall can be utilized, while agricultural film is not possible, thus reducing the frequency of watering and saving water and labor.

4. The seedlings covered with non-woven fabric are short and sturdy, neat, with more tillers, upright leaves, and darker colors.

Several Issues to Pay Attention to in Seedling Management

1. The temperature is low in the early stage of late removal of plastic film for seedling cultivation with non-woven fabric. It is necessary to extend the plastic film coverage time appropriately to improve the insulation and moisturizing effect in the early stage of seedling cultivation. After all the seedlings have emerged, remove the plastic film when the first leaf is fully unfolded.

2. Timely water the bed soil when the surface turns white and dry. No need to remove the cloth, pour water directly onto the cloth, and the water will penetrate into the seedbed through the pores on the cloth. But be careful not to pour water onto the seedbed before removing the plastic film.

3. Timely uncovering and raising seedlings with non-woven fabric. In the early stage of seedling cultivation, it is necessary to maintain the temperature as much as possible, without the need for ventilation and seedling refining. But after entering mid May, the external temperature continues to rise, and when the bed temperature exceeds 30 ℃, ventilation and seedling cultivation should also be carried out to avoid excessive growth of seedlings and reduce their quality.

4. Timely fertilization for seedling cultivation with non-woven fabric. The base fertilizer is sufficient, and generally does not need to be fertilized before 3.5 leaves. Bowl tray seedling cultivation can be fertilized once when removing the fabric before transplanting. Due to the large leaf age of conventional drought seedling cultivation, after 3.5 leaves, it gradually shows fertilizer loss. At this time, it is necessary to remove the cloth and apply an appropriate amount of nitrogen fertilizer to promote seedling growth.