与 «CANADA THISTLE»相关的英语书籍
在以下的参考文献中发现
Canada thistle的用法。与
Canada thistle相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
1
Canada Thistle: Seeding, Propagating, Eradicating. the ...
This is a reproduction of a book published before 1923.
2
Canada Thistle Management Systems for Sustainable and ...
Canada thistle (Cirsium arvense) is a vigorous, competitive perennial weed that is difficult to control in both conventional and organic farming systems.
3
Alien Species in North America and Hawaii
Canada Thistle Canada thistle, a true thistle with purple or white flower heads, is
one of the most troublesome cropland weeds in North America. Like Kentucky
bluegrass, it is native to Eurasia, not Canada, but was an early immigrant to ...
4
Biological Control Programmes in
Canada, 1981-2000
In: Delfosse, E.S. (ed.) Proceedings of the VIII International Symposium on
Biological Control of Weeds. Istituto Sperimentale Patologia Vegetale (MAF),
Rome, Italy, pp. 173–179 McClay, A.S. (2001) Canada thistle (Cirsium arvense [L
.] Scop.).
Peter G. Mason, J. T. Huber,
2001
5
Integrated Pest Management for Potatoes in the Western ...
Field bindweed and Canada thistle are usually only set back by fumigation
because their perennial roots penetrate so deeply. Generally, soil fumigation is
economical for weed control only in small, heavily infested areas or where it is
also ...
6
Encyclopedia of Invasive Species: From Africanized Honey ...
Removal of Canada thistle by physical means is difficult. Occasional cultivation or
mowing are poor practices because they stimulate growth of horizontal roots, and
cultivation breaks roots, which sprout new plants from pieces. Repeated ...
Susan L. Woodward, Joyce A. Quinn,
2011
7
Encyclopedia of Invasive Species: From Africanized Honey ...
Removal of Canada thistle by physical means is difficult. Occasional cultivation or
mowing are poor practices because they stimulate growth of horizontal roots, and
cultivation breaks roots, which sprout new plants from pieces. Repeated ...
Susan L. Woodward, Joyce A. Quinn,
2011
8
Organic Farming: The Ecological System
Management Tactics Soil disturbance through tillage and cultivation, often the
primary tools in an organic farmer's weed management tool kit (Walz, 1999), must
be used judiciously or these measures can exacerbate a Canada thistle ...
9
Aminopyralid Effect on
Canada Thistle (Cirsium Arvense) and ...
Canada thistle is an invasive weed that infests an estimated 5 million ha of range, pasture, and wildlands in the United States.
10
Weeds of California and Other Western States
Canada thistle: Cotyledons mostly 5–14 mm long, 3–6 mm wide, lower surface
midvein shiny. First leaf margins slightly wavy to unevenly toothed. Surfaces
covered with stiff hairs. Lower surfaces often sparsely covered with soft
cobwebby ...
Joseph M. DiTomaso, Evelyn A. Healy,
2007
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找出国内和国际出版社所讨论的内容，以及词语
Canada thistle在以下新条目的上下文中是如何使用的。
A name can mean many things in the plant world
There are, of course, true thistles such as Canada thistle (Cursium arvense) or artichoke (Cynara cardunculus), whose leaves are certainly ... «Las Vegas Review-Journal, 七月 15»
ASK YOUR GOVERNMENT: What are the symbols painted on …
... Forks and the University of North Dakota required to control noxious weeds on their property, such as leafy spurge and Canada thistle? «Grand Forks Herald, 七月 15»
Weed of the Weed: Canada Thistle
Canada thistle can resist drought by sending down roots as deep as three metres in search of water and nutrients. It is easily spotted thriving in ... «Western Producer, 七月 15»
Garden tips: Getting grips on skeeters, thistle
STOP THE SPREAD: The pernicious prickly Canada thistle is flowering now, which means you need to pull it before it can make seeds. «LancasterOnline, 七月 15»
Seasonal plants add color to local roadsides
Canada thistle resembles a miniature version of bull thistle but its bud is not nearly as colorful as the magenta flower of the bull thistle. «The Batavian, 七月 15»
Farmer protests Man. power line with weeds
... neighbour's farm, Kohler looked over a strip of land littered with Canada thistle, green foxtail, cleavers, volunteer canola and volunteer wheat. «Western Producer, 七月 15»
Herbicides destroying garden
Picloram, Clopyralid and Aminopyralid do not. These herbicides are used to control broadleaf weeds such as Canada thistle in specific cases. «Terrace Standard, 七月 15»
Winter wheat heading, canola blooming on Hardy farm
“It seems like Canada thistle has been growing like crazy all over the region this year,” Mark said. “The conditions are perfect for everything to ... «Farm and Ranch Guide, 六月 15»
Using Herbicides for Horse Pasture Weed Control
The preferred time to treat many perennial broadleaf weeds, such as curly dock, tall ironweed, and Canada thistle, is in the late summer ... «TheHorse.com, 六月 15»
Birds, bees mature in early summer
Purple and blue blooms are viper's bugloss, cow vetch, Canada thistle, bull thistle and chickory, which are all flowers that can be found in fields, ... «Poughkeepsie Journal, 六月 15»