stephan ludwig jacobi experimented external fertilization brown trouts salmon wrote article '' von der k nstlichen erzeugung der forellen und lachse '' ''on artificial production trout salmon'' summarizing findings regarded founder artificial fish rearing europe latter decades th century oyster farming begun estuaries along atlantic coast north america word aquaculture appeared newspaper article reference harvesting ice also appeared descriptions terrestrial agricultural practise sub irrigation late
Applied science Agriculture Aquaculture