منابع مشابه
Weeds
The freckled cowslip, burnet, and green clover, Wanting the scythe, all uncorrected, rank, Conceives by idleness, and nothing teems But hateful docks, rough thistles, kecksies, burs, Losing both beauty and utility. S ometimes in the spring, when I'm on my hands and knees among the azaleas, pulling out purslane and dandelion , I think how wonderful gardening would be if only it weren't for weeds...
متن کاملBiological control of weeds.
Classical biological control, i.e. the introduction and release of exotic insects, mites, or pathogens to give permanent control, is the predominant method in weed biocontrol. Inundative releases of predators and integrated pest management are less widely used. The United States, Australia, South Africa, Canada, and New Zealand use biocontrol the most. Weeds in natural ecosystems are increasing...
متن کاملSelective Control of Weeds Explained
IN August GOLFDOM I discussed the pros and cons of ammonium sulphate as a weed-control agent, while the importance of proper fertilization and management of turf were stressed in the September number from the weed control angle. While it is vital that the greenkeeper be thoroughly versed in both the theory and practice of the above phases of turf maintenance, nevertheless, in themselves, they d...
متن کاملPERCUTANEOUS DRAINAGE OF ABDOMINAL ABSCESSES AND FLUID COLLECTIONS
This report summarizes the results of 64 percutaneous catheter drainage of abdominal abscesses and fluid collections in 56 patients. Aspiration and drainage was guided with computed tomography in 34 patients and with ultrasound in 30 patients. Success rate was 90%. Infected collections were successfully drained in 94% and noninfected collections in 72% . Partial success was achieved in two...
متن کاملCrowd Out Weeds
( Corner Warren Street ) N E W YORK t h e de fec t by h a u l i n g out g r e e n s hose and s p r i n k l e r s d u r i n g t he day. W i t h t h e h o s e s y s t e m , t he missed spots can be eas i ly seen t he fo l lowing morn ing and as t h e e q u i p m e n t is a l r e a d y the re , it is a s imp le m a t t e r to cover t h e dry a reas . W h e r e I a m conce rned , t h i s does not i...
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ژورنال
عنوان ژورنال: Botanical Gazette
سال: 1890
ISSN: 0006-8071
DOI: 10.1086/326592