Greenhouse producer Collection: Transplanting how to operate the least damage to the plant
Published:
2023-05-15 17:17
Even in the face of a very limited labor force, the transplanting operation is still vital not to neglect. Adjust as needed during the production process and check recent transplants to ensure normal plant growth.
This article will cover the key precautions and considerations when transplanting, and highlight some of the transplant-related issues growers may or have encountered this spring.
Important factor
Transplant of seedlings is not complicated but requires careful operation, such as proper management before the operator can pick up the seedlings. Several key factors are taken into account, including:
Variety: Different varieties of plants have different depth of implantation.
Dahlia or tomato plants, for example, can be planted deeper than other crop plants to avoid being top-heavy. Begonias like bulbous are not suitable for deep planting, planting too deep may lead to slow growth or disease and death.
Hole disc seedling:
Water irrigation is recommended at the later stage of cultivation to remove excess fertilizer salts, otherwise the seedlings may be brittle/tender and more likely to break during transplantation, affecting growth after transplantation and susceptible to pathogens.
Substrate and container filling:
If transplanting is done by hand, too much substrate in the container can interfere with subsequent drilling, and the transplanting requires greater force than usual leading to accidental damage. At the same time, the substrate is overfilled, which causes the plants to be buried by the excess substrate when the vibration occurs in the transport vehicle.
Punch holes:
If the planting holes are drilled too deep, the seedlings will easily be covered by the substrate. Too shallow a hole could cause the plant to bulge out of the pot when watered after transplantation or fall out of the container during transport to the greenhouse. It is recommended to use automated or pore-digging tools to standardize planting depth and ensure that transplanted plants do not become buried or fall out of their POTS before reaching the greenhouse.
Primary irrigation:
Primary irrigation in a greenhouse usually causes the transplanted plants to settle further into the substrate, even if the system is sprayed during transplantation. Inspect the plant immediately after the first thorough irrigation to ensure that the plant is growing properly.
Final depth:
Container filling, punching, transplanting, transporting and watering processes vary from greenhouse to greenhouse. Take the time to examine the newly transplanted crop and assess if any of the steps in the adjustment process need to be taken as soon as possible to correct the problem in the finished product container. This process may feel cumbersome to the operator, but avoids much greater damage than crop failure.
summarize
Remember to take the following steps and precautions to avoid crop problems due to improper management:
1. Fully train new or less experienced transplant teams, with supervisors keeping a close eye on the work throughout the shift.
2. Assess the health and quality of seedlings prior to transplanting. Be sure to alert the planter if the seedlings are too soft or tender to reduce potential damage during transplantation.
3 When transplanting, note which species can tolerate stem/crown mulch. In general, most species with a rosette growth habit (leaves spread from the central, base growing point) are not suitable for deep planting.
4. Focus on the substrate filling process. Overfilling or compaction of substrate in containers may negatively affect the transplanting process and later crop growth.
5. If using automated transplants, pay close attention to planting depth. If the depth is not appropriate or the position deviates from the initial set value, make necessary adjustments immediately.
6. Transplant greenhouses and conduct plant inspections after initial irrigation to adjust plant depth in containers to reduce the possibility of crop failure due to pathogens (stem/crown rot).
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