Show II Increase Sea Harvest I By adding to sea wa water water ter thus increasing the growth of the plants on whIch fish feed marine marme research workers have Increased the weIght of fish ten times Important fish test tests are being carried out m in a small lake m in the west of Scotland under SIr John Graham Kerr noted marine manne biologist biolo gIst SCIentIsts are working on the theory that sea fish can be multiplied multi plied by increasing theIr sea plant food by adding nitrogen and phosphates phosphates |