It is important element of production management to control soil water content reasonably and harmonize growth between root and stem at this stage.

合理地控制土壤水分含量，协调地上部分和地下部分的生长是此期生产管理的重要环节。

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Send soil samples to lab for compaction test so as to determine the most reasonable water content ratio to enable on-site control of dry density.

将土样送试验室做击实试验，确定其最优含水率和现场控制干密度。

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The rainstorm runoff is one of the major surface source pollution, its control and management is the main content of the regional water quality improvement plan.

暴雨径流是重要的地面污染源之一，对它的控制和管理是区域水质改善计划中的主要内容。

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The complaint claimed that "Anheuser-Busch employs some of most sophisticated process control technology in the world to precisely monitor the alcohol content at the final stages of production, and then adds additional water to produce beers with significantly lower alcohol contents than is represented on the the labels".

BBC: Budweiser and Bud light bottles