Dulquer Salmaan (IPA: [d̪ulkʰɐr salmaːn]; born 28 July 1983) is an Indian actor, playback singer and film producer who predominantly works in Malayalam, Tamil, Telugu and Hindi films. He graduated with a bachelor's degree in business management from Purdue University and worked as a business manager in Dubai before pursuing a career in acting.

The most common measure of DU is the low quarter DU expressed as DUlq, which is a measure of the average of the lowest quarter of samples, divided by the average of all samples expressed as percentage.

One of the current Turf and Landscape Best Management Practices published by the Irrigation Association states that the lower-quarter distribution uniformity (DULQ) should be a minimum of 55% for pop-up spray heads.

Various methods exist to determine the DU of an irrigation system. The method widely used in irrigation auditing is the Low Quarter Distribution Uniformity Method (DULQ). This method can be calculated as follows:

2021年12月1日 · 高数值的DULQ（大于或等于80%），这表示灌溉系统覆盖均匀，可以提高草坪健康、改善草坪色泽、紧密性以及提升整体外观和可打性。 如果DULQ数值较高，喷头设置可以缩短运行时间，这既可以帮助节约水资源和能源，又能减少手工浇水的劳力需要。 “

Rating of Lower Quarter Distribution Uniformity (DULQ) for Sprinkler Zones ... One item that jumps out to users of the BMPs is that minimal acceptable performance for spray heads of 55% falls in the “Good” category while rotor and impacts heads are in the “Very Good” category with 70% as the acceptable minimal performance.

Distribution uniformity of lower quarter (DULQ).The ratio of the average of the lowest one-fourth of measurements of irrigation water to the average of all measurements captured by collection devices, expressed as a dimensionless number with two decimal places.

The audit data is used to create irrigation schedules. Originally the DULQ was used to establish an irrigation water requirement which for landscape projects greatly overestimated the water need.

Dulquer Salmaan is an Indian actor, playback singer and film producer who works predominantly in Malayalam, Tamil, Telugu and Hindi films. He graduated with a bachelor's degree in business management from Purdue University and worked as a business manager in Dubai before pursuing a career in acting.

15M Followers, 969 Following, 763 Posts - Dulquer Salmaan (@dqsalmaan) on Instagram: "Film, Business, Auto Enthusiast"