原文已被隐藏，你可用 快捷键 - 或点击 显示原文 按钮来查看原文
第1段
1 .This is Scientific American 60-Second Science. I'm Christopher Intagliata. Got a minute?
该句暂无译文！
2 .In 2011 a 28-state outbreak of Listeria from cantaloupes infected 147 peopleand 33 of them died.
该句暂无译文！
3 .After that, many Americans evidently thought twice about bringing one of the melons home, cantaloupe consumption dropped by half after the infections.
该句暂无译文！
4 .But paying closer attention to the ecology of our fields, like tracking when they've been rained on,could be a step toward beating bacteria, and preventing that sort of food poisoning.
该句暂无译文！
5 .So says a study in the journal Applied and Environmental Microbiology.
该句暂无译文！
6 .Researchers monitored spinach fields in New York State, both before and after irrigation and rain.
该句暂无译文！
7 .And they found that levels of Listeria bacteria in the soil spiked in the 24 hours after water hit the field, up to 25 times the levels that were present a week after the rain.
该句暂无译文！
8 .The scientists cite two factors.
该句暂无译文！
9 .Listeria is exceedingly common in the environment——from the soils of national parks to, yes, irrigation water.
该句暂无译文！
10 .So Listeria could be getting dumped directly on fields during irrigation.
该句暂无译文！
11 .But rain also creates more favorable conditions for a bacterial bloom,
该句暂无译文！
12 .and that holds for any type of bacteria present in the soil, the researchers say. whether Salmonella, E.coli or the Listeria studied here.
该句暂无译文！
13 .The lesson for farmers, they say?
该句暂无译文！
14 .Hold off on harvesting after rains or watering.
该句暂无译文！
15 .And if you can't wait, consider rinsing the fruits or veggies after they come off the field.
该句暂无译文！
16 .The researchers are developing a web app that'll help farmers forecast bacterial loads in their fields,
该句暂无译文！
17 .to make sure that the only thing that makes it farm to table is your food, and not infections.
该句暂无译文！
18 .Thanks for the minute, for Scientific American 60-Second Science. I'm Christopher Intagliata.
该句暂无译文！