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Environment

4/5/2017

To grow crops organically, farmers fight weeds with chemical-free weapons. One of the most common is a disk. Farmers rip out weeds and churn them into the soil with these disks. But it takes heavy...

3/29/2017

It makes sense that a 1,200 pound Angus cow would place quite a lot of pressure on the ground on which it walks. But a new study shows that even these heavy beasts can’t do much to compact...

3/22/2017

Ants can be annoying little insects. In your home, they make army-like lines to any crumbs on your floor. In your home’s frame, carpenter ants can do a job of eating away your walls. But...

3/15/2017

Beauty and utility in one bright package, sunflowers are one of just a few commercial crops with origins in the United States.

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3/8/2017

Montreal: Famous for its churches, carriage rides…and urban agriculture.

Yes, urban agriculture. Montrealers have cultivated not only a love for food, but also a love for food grown...

3/1/2017

Organic farmers have to make hard choices between protecting soil from erosion and controlling weeds. For example, large-scale organic farming relies heavily on tillage. Tilling breaks up the soil...

2/22/2017

When deciding what crops to grow during a season, growers look at several factors. Do the crops have a good yield in their area? Does the area currently have the resources - usually water - to...

2/8/2017

Cranking up the lawn mower on a Saturday afternoon may be a child’s most dreaded chore. But little does he or she know that it also affects how much carbon and nitrogen are present in the...

1/25/2017

Floating wetlands may seem odd but are perfectly natural. They occur when mats of vegetation break free from the shore of a body of water. That got ecological engineers curious about how they...

1/18/2017

Huckleberry Finn wouldn’t recognize today’s lower Mississippi River. Massive walls separate the river from low-lying lands along the bank, an area called the floodplain. Floodplains...