Exterminated them. 杀死害虫

339. The expansion of cultivated land and single-crop farming...
     耕地的扩张和单一作物种植
340. Encouraged the development of parasites.
     加速害虫扩张
341. Pesticides, another gift of the petrochemical revolution,
     杀虫剂 石油化工革命的另一产物
342. Exterminated them.
     杀死害虫
343. Bad harvests and famine became a distant memory.
     歉收与饥荒成为遥远的回忆
344. The biggest headache now...
     目前最严重的问题是
345. Was what to do with the surpluses engendered by modern agriculture.
     如何处理现代农业带来的过剩盈余

来自《家园 第一部分 Home Part1》第 342 行