Most were along narrow manmade waterways used to water crops.

很多都沿着之前用来灌溉作为的人工水道而建。

The reasons include a lack of water, crop failure, and other disasters.

原因包括缺水、庄稼歉收和其他灾难。

After heating, the air cools, producing water for drinking or watering crops.

加热后，空气冷却，产生饮用水或给庄稼浇水。

He encountered farmers worried about watering their crops and saw the devastation left by wildfires.

他遇到了担心浇庄稼的农民，看到了野火造成的破坏。

These then fall as snow which builds up during winter before melting in spring to help water crops.

然后，它们会以雪的形式落下，在冬天形成积雪，在春天融化，来灌溉庄稼。

Some water crops as buses carrying immigrant children pass through Tornillo.

载有移民儿童的公共汽车经过托尔尼略时，一些水生作物。

Some farmers in India still depend on rainfall instead of irrigation to water their crops.

印度的一些农民仍然依靠降雨而不是灌溉来浇灌庄稼。

Jean-Michel Cousteau is a supporter of de-salting ocean water to create clean water for humans to drink and to water crops.

让-米歇尔·库斯托 (Jean-Michel Cousteau) 支持对海水进行脱盐处理， 以创造清洁的水供人类饮用和浇灌农作物。

So it's affecting them a lot, and having this information will help them know how they can properly keep their crops watered.

所以这对他们影响很大，掌握这些信息将帮助他们了解如何正确地浇灌庄稼。