Vegetable transplants are affected by many factors, but the most important are water, temperature, fertilization, sunlight, cell size, and length of stay in the house. These factors must be managed to produce a product that is acceptable to the customer.
Management of transplant production depends on knowledge and experience. The ideal transplant technique would be to raise a plant from start to finish by slow, steady, uninterrupted growth without undue stress to the plant. However, plant growth may need to be altered through the manipulation of the growing environment (water, temperature, fertilization, etc.) because ideal conditions rarely exist.