As time went on, there was a substantial increase in seeds from pioneer plants, attesting both to agricultural intensification and to an increasingly disturbed local environment.

随着时间的推移，“先锋植物”的种子大量增加，这是农业集约化和地方环境日益受到干扰的证据。

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After that, the entire network changed on a large scale, but there was a substantial increase of interference between base stations, dramatic decline of index and the lower perception for users.

基站建设完成后，由于整个网络进行了大规模的变更，基站之间的干扰大幅增加，各项指标却急剧下滑，用户感知度没有得到明显提高。

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With the massive groundwater pumped for irrigation, there was an apparent decrease of groundwater depth and desalinization in soil layers that led to a substantial increase of crop production.

井灌井排技术有效地降低了地下水位，土壤明显脱盐，作物产量不断提高。

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The December 2012 sales results have just been announced, and there was a substantial increase over the past year for some retailers.

FORBES: Expect More Retail Promotions In 2013, Thanks To The Internet

There was also a substantial increase in children contacting ChildLine about potential suicides - up by 39% on last year.

BBC: Self-harm calls to ChildLine show biggest increase