与 «DEFOLIATION»相关的英语书籍
在以下的参考文献中发现
defoliation的用法。与
defoliation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
Evaluating the Susceptibility of Sugar Maple Stands to ...
Chi- Candidates R2 AIC Square DIEBACK 2006 defoliation; microrelief; outbreak
mean temp; outbreak mean Z-index; defoliation events 0.71 108 p=0.26 2006
defoliation; microrelief; outbreak mean temp; outbreak mean Z-index; DSI 0.71 ...
2
Defoliation potential of gypsy moth
A model that uses forest stand characteristics to estimate the likelihood of gypsy
moth (Lymantria disparL.) defoliation has been developed. lt was applied to
recent forest inventory plot data to produce susceptibility ratings and maps
showing ...
David A. Gansner, Northeastern Forest Experiment Station (Radnor, Pa.), 1993
3
Effects of spring
defoliation on first-year growth of young ...
Mean early diameter growth of trees receiving 66 percent or more defoliation was
significantly less than that of the undefoliated trees at all four locations. This trend
continued with late diameter growth in the 95- and 100-percent defoliated ...
David R. Weise, Ragnar W. Johansen, Dale D. Wade, 1987
4
Status and trends in Gypsy Moth
defoliation hazard in Tennessee
Research. Note. Status. and. Trends. in. Gypsy. Moth. Defoliation. Hazard. in.
Tennessee. Dennis. M. May. and. Bruce. W. Kauffman. Southern Forest
Experiment Station/T-10210 U.S. Postal Services Bldg., 701 Loyola Avenue, New
Orleans, ...
Dennis M. May, Bruce Wentland Kauffman, Southern Forest Experiment Station (New Orleans, La.), 1990
5
Encyclopedia of Environmetrics
From ancient times mankind has attempted either to harness or prevent
defoliation of trees and plants. The positive and negative impact of defoliation by
invertebrates (chiefly insects), vertebrates, plant diseases or abiotic factors such
as air ...
Abdel H. El-Shaarawi, Walter W. Piegorsch, 2001
6
New Zealand Journal of Agricultural Research
253 Restricting the DCs to one, (i.e., assuming that the level of defoliation is
uniform over the affected area) allows the economic injury level to be expressed
as a function of the proportion of the field which is defoliated (or infested by ...
7
Effect of pine butterfly
defoliation on ponderosa pine in ...
Graphs were then plotted for all trees within each defoliation class (figs. 1-4). The
mean annual radial increment for the predefoliation period of the base discs and
damage discs was almost equal (table 2). The "t" test revealed no significant ...
Walter E. Cole, Intermountain Forest and Range Experiment Station (Ogden, Utah), 1966
8
New Zealand Journal of Agricultural Research
They were subsequently shelled and tested for moisture content to give grain
yields at 14% moisture content. RESULTS AND DISCUSSION The leaf area,
fresh weight, and dry matter (DM) percentage of individual leaves at the first
defoliation ...
9
Panoramic aerial photography for mapping gypsy moth
defoliation
A photo scale of 1:24,000 is undoubtedly quite satisfactory for accurate mapping
of vegetation damage of the extent and intensity typical of a hardwood defoliation
such as the gypsy moth. Acquisition of photography at this scale costs ...
United States. Forest Pest Management. Methods Application Group, 1982
10
Differential
defoliation of neighboring Douglas-fir trees by ...
Figure 5— Differential defoliation of 75-100 year old seed- bearing Douglas-fir in
the Cedar Creek drainage on the Lolo National Forest. Photo taken in early
September 1978. Figure 6.— Close-up of defoliated branches from mid-crown of
75 ...
Geral I. McDonald, Intermountain Forest and Range Experiment Station (Ogden, Utah), 1981
包含词语«DEFOLIATION»的新条目
找出国内和国际出版社所讨论的内容，以及词语
defoliation在以下新条目的上下文中是如何使用的。
Gypsy Moth Outbreak in Connecticut Not an Indicator of Long-Term …
While trees will face defoliation with increased gypsy moth presence this year, Smith said that one bad season will not have dramatic impacts ... «WNPR News, 七月 15»
Garden Q&A: Yellow is not a good color for azalea leaves
One of the symptoms is yellowing between leaf veins, along with smaller size new leaf growth, possibly some purple coloration and defoliation. «Florida Times-Union, 七月 15»
Hail takes toll on beet fields
Fullmer estimates some fields suffered 80 percent defoliation. “It hit some really good beets and then it went over the river and hit some more,” ... «Sidney Herald Leader, 七月 15»
What's up with the trees?
Even severe defoliation isn't necessarily a problem for an otherwise healthy tree. When leaves are symptomatic, note any patterns. Top down? «Michigan State University Extension, 七月 15»
Brown patches on Blue Ridge Parkway? Blame the weevil
“In addition, foresters are reporting damage from yellow-poplar leaf-mining weevil, which is causing widespread browning and defoliation on ... «Black Mountain News, 七月 15»
Water needed by plants increases with temperature
I have been telling people to appreciate nature and live with it. Unless it's really causing problems like defoliation I would leave it alone. I guess ... «St. George Daily Spectrum, 七月 15»
Researchers invent their own version of the great white combine »
Hailstorms cause crop tissue damage, stem breaks, bruising, scraping, and leaf defoliation. When hail crushes a mature crop, it often wipes it ... «Alberta Express, 七月 15»
Western grapeleaf skeletonizer pest found in Napa County vineyard …
... larval life stages are voracious feeders that cause extensive damage to grape leaves, including partial or complete defoliation of grapevines.”. «Western Farm Press, 七月 15»
SWD, cereal leaf beetles join year's pest list
Winter wheat in Sheboygan, Winnebago, Columbia, Rock and Dane counties was suffering light to moderate defoliation due to infestations of ... «Wisfarmer, 七月 15»
Maple trees in southeast Chatham backyard threatened by invasive …
Quick defoliation can kill a tree. Though according to the Ontario's Invading Species Awareness Program, Black's backyard should be safe ... «Chatham Daily News, 七月 15»
