Higher energy prices, which makes biofuels profitable and crops that feed them more sought after. Higher oil prices also boosts farm production costs, such as diesel.
——能源价格上涨，使生物燃料作物和其饲料作物倍受追捧。
Costs of production have been substantially lowered for farm products by better application of chemical fertilizer, improved strains of seed and increasing mechanization.
由于使用更好的化肥、选育良种、机械化程度提高，农产品的生产成本已经大幅下降。
On the farm policy front, Harkin said farmers have had to deal with higher production costs but much lower commodity prices than at planting time.
关于农业政策，哈金说，农场主们已经历了生产成本的上涨，但目前的商品价格却远远低于作物播种时的价格。
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