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 ?
While John Deere isn’t building automated weeders for vegetable crops, it is interested in the technology involved.
Two small horticulture units in south east Wales are to trial vision-guided, interrow weeders to determine the labour and time savings.
Two small horticulture units in south-east Wales are to trial the vision guided, inter-row weeders to determine the labour cost and time savings.
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. An analysis prepared by the CropLife Foundation appears to confirm that assertion.
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.
The weeders successfully eradicated Trichoderma from most colonies.
Cultivators and weeders. Single-tined cultivators are at their best slipping through the spaces in closely planted bulb and flower beds.
Further, Jute I-CARE (Improved Cultivation and Advance Retting Exercise) scheme is being implemented by National Jute Board (NJB) with an objective to introduce scientific technique of cultivation and retting exercises by distributing certified seeds, nail weeders, seed drillers for improving fibre quality and productivity and thereby reducing cost of production.
The range has been extended to include beautiful hand weeders as well as larger tools and apart from discouraging slugs, they are fabulous to use and even nice to look at!
Complete with RAM 2500 Truck (68K miles), Enclosed Trailer (17 x 6) w/ Dual Wheels, Two (2) Toro Z Master Zero-Turn Mowers, Bobcat TM (Bobcat is a registered trademark) 36' Walk Behind, 22' Push, Weeders, Blowers, Hedger, Chain Saw, & Tools.
Troll through Web sites such as Lee Valley Tools and scan the aisles of retailers such as Down to Earth and Jerry's, and you'll find dozens of long-handled diggers, short-handled grubbers and propane-powered "flame weeders" that reduce chickweeds to piles of wilted leaves before you can say, "Spring's here."