Congress's recent farm bill was supposed to dull the incentives for American farmers to plant on marginal lands by slashing farm subsidies and beefing up conservation programmes.
国会最近的农业法案本应通过削减农业补贴，加重林地保护计划，减少美国农民开垦种植的刺激。
2
Then droughts turned the farm fields into ghost lands.
之后旱灾就把农田变成了没有人的幽灵之地。
3
Expanding production in Argentina or America takes you into drier marginal lands which are much more expensive to farm.