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。

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Dr. Kapoor said the large difference in costs between IMRT and seed implants was not a factor he and his colleagues took into account in their treatment decisions.

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Reeling off the costs of farming, from paying for land, to fertilizer, seed and labor, Juliuson says that an extra nickel in the price of beans could help him retire someday.

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