埋地部分管道隐蔽前必须做灌水试验，试验合格后方可隐蔽。
Some hidden underground pipeline irrigation must be done before the trial can be hidden after passing.
成熟期灌水试验以打顶、圆顶、成熟各灌水一次经济效益最佳。
The economic benefit of irrigating at topping, doming and ripening stages once respectively in maturing irrigation experiment was best.
不同时间揭膜与灌水试验以35天揭膜后灌水的处理经济效益最好。
The economic benefit of irrigation and exposing polyethylene mulch after 35 days in the experiment with different exposing polyethylene mulch and irrigation time was best.
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