Factors to consider when choosing a substrate for lettuce production, greens production.

Factors to consider when choosing a substrate for lettuce production, greens production.Whether a grower chooses to propagate in rockwool, cellular foam or an organic substrate, there are other factors that can impact crop production. Since lettuce, greens and microgreens are relatively short term crops compared to other greenhouse vegetables like tomatoes and cucumbers, a grower has to make sure that he starts out with a consistent substrate and quality seed. Sylvain Helie, an agronomist and phytotechnologist at Jiffy products of America, said one of the key factors in growing lettuce, greens and microgreens is having a good seed supplier. more