weeder

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weeder

n. a difficult introductory college course designed to get rid of the weaker students; a course meant to weed out the weaker students. Don’t get into the morning section of the course. The prof is tough and thinks it’s supposed to be a weeder.
References in periodicals archive ?
Two small horticulture units in south east Wales are to trial vision-guided, interrow weeders to determine the labour and time savings.
If the EPA adopts the rule, it could take effect for outboard engines and personal watercraft by 2009 and for mowers, leaf blowers, weeders and other garden equipment by 2011.
So history shows gardeners have always strived to take the time and hassle out of watering and there is evidence of our great ancestors using walking sticks that doubled up as saws or weeders, and trowels that doubled up as rakes.
Unlike other thermal weeders, which use flames or environmentally friendly foam, this one controls weeds with boiling-hot steam.
I find these weeders very helpful around soaker hose that we use a lot of here in California.
Organic crop interests sought and were granted the exemption from the ban on hand weeding, claiming that they would incur "tremendous" economic losses if they were required to use laborers with long handled hoes rather than hand weeders.
Mechanical weeders can do the job, but only if they are equipped with expensive proximity sensors to keep them from damaging delicate vines.
For a range of beautifully produced, traditional garden tools, check out Burgon and Ball, whose catalogue includes everything from trimming shears and pocket knives to topiary frames, watering cans, secateurs and, of course, trowels, hand forks and weeders.
Included are hundreds of horse drawn tillage tools, cultipackers, listers, weeders, stalk cutters, cultivators, rollers, harrows, and more.
The weeders successfully eradicated Trichoderma from most colonies.
As the days pass, Anne and her weeders move through the field section by section until the job is finished, and then they come back to repeat their good work once new weeds start to compete again for the soil's nutrients.