"......so it can compete better for the light. HPS lights are high in red spectrum, so plants grown under them stretch less."


I believe you meant to say "more" instead of less. lol

Anyway good post.

Laterz
Sativagrowin Reviewed by Sativagrowin on . Why Seedlings Stretch Seedlings stretch due to the influence various factors. In other words the way the genotype is expressed is determined by the biotic and abiotic factors affecting its growth. The site where the plants are grown may be conducive to stretching due to a nutrient deficiency or other factors like temperature or day length. The source of the seed is also important. If the environment that the plants were from originally was consistant from year to year (for instance, indoors) and/or encouraged Rating: 5