Ecological Studies of Weeds
نویسندگان
چکیده
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 کاملpostnatal studies of bats (pipistrellus kuhlii and miniopterus schreibersii) & histomorphology and histochemistry studies of organs and diseases of (neurergus microspilotus and n. kaiseri)
1. to determine whether difference in birth body mass influenced growth performance in pipistrellus kuhlii we studied a total of 12 captive-born neonates. bats were assigned to two body mass groups: light birth body mass (lbw: 0.89 ± 0.05, n=8) and heavy birth body mass (hbw: 1.35 ± 0.08, n=4). heavier body mass at birth was associated with rapid postnatal growth (body mass and forearm length) ...
The behavior of multiple independent managers and ecological traits interact to determine prevalence of weeds.
Management of damaging invasive plants is often undertaken by multiple decision makers, each managing only a small part of the invader's population. As weeds can move between properties and re-infest eradicated sites from unmanaged sources, the dynamics of multiple decision makers plays a significant role in weed prevalence and invasion risk at the landscape scale. We used a spatially explicit ...
متن کاملOn Coastal Ecological Characterization Studies
technical assistance services are based on an analysis o f t h e issues a determination o f the decisionmakers involved and t h e i r i n f o r m a t i o n needs, and an evaluation o f the s t a t e o f the a r t t o i d e n t i f y information gaps and t o determine p r i o r i t i e s. This i s a strategy t h a t w i l l ensure t h a t the products produced and disseminated are t i m e l y an...
متن کاملecological weed management by cover cropping: effect on winter weeds and summer weeds establishment in potato
now a day winter cover crops planting has been attended to reduce herbicide application. an experiment was carried out at the research farm of agriculture faculty, bu- ali sina, university, in 2009. the experiment was a randomized complete block design with three replications. the trial included of five treatments consists of no cover crop, rye, winter oilseed rape, barley and triticale. the re...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Weed Science and Technology
سال: 1991
ISSN: 0372-798X,1882-4757
DOI: 10.3719/weed.36.i