Come spring, one of those fish heads will go into the ground under each of my tomato plants. While that may feel deeply off-putting, consider that a whole lot of the fertilizer you buy is fish ...

Yet there are differences between organic and conventional greenhouse tomato production – particularly in the use of fertilizers – which commercial ... A supplemental fish-based or plant-based liquid ...

"The old Italian fisherman have been burying fish remains ... the rose and flowering tomato and veg," Molloy said. Neptune is processing close to 1,000 gallons of fertilizer a day.