This scenario begins with the planting of hyperaccumulating species in the target area, such as an abandoned mine or an irrigation pond contaminated by runoff.

这种情形始于在目标地区（如废弃矿井或被污水污染的灌溉池）种植超积累物种。

youdao

You’d reduce water use and end runoff by recycling water in a closed irrigation system.

人们还可以在封闭的灌溉系统中循环用水以减少用水量、避免径流造成土肥流失。

youdao

You'd reduce water use and end runoff by recycling water in a closed irrigation system.

人们还可以在封闭的灌溉系统中循环用水以减少用水量、避免径流造成土肥流失。

youdao

The melt season is often the warmest, driest time of the year, providing large volumes of runoff for irrigation when it is most needed.

UNESCO: 83e

Experts have come up with all sorts of hypothetical ways the E. coli could have gotten into the spinach, from manure that wasn't properly composted to runoff from cattle farms to contaminated irrigation water.

FORBES: Magazine Article

The former will generate electricity from the runoff of the 25, 000 miles of irrigation canals mostly set up by the British in this agriculture belt.

FORBES: Pakistan: Harnessing Sun, Water And Fossil Fuel