Worse, much abstracted water is used in inefficient irrigation; compounding that, underpricing means it is often used for watering low-value crops.
更严重的是，很多抽取的地下水并没有实现高效灌溉；地下水的抑价说明其经常被用来灌溉低价值作物。
And while concentrated heat on top of city buildings can help tomatoes ripen, it also means more frequent watering, even if irrigation requires lugging watering cans up stairs.
而集中供热的城市建筑物顶部可以帮助西红柿成熟，这也意味着更频繁地浇水，即使浇水灌溉需要你扛着水罐上楼。
However, should still be small water frequently watering, not flood irrigation time, generally every 4 to 5 days after watering 1 times, cooler weather, basically 1 times a week.
但是，浇水时仍应小水勤浇，而不可大水漫灌此时，一般每4 ~ 5天浇水1次，天气转凉以后，基本上每周1次。
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