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Articles 1 - 30 of 711
Full-Text Articles in Entire DC Network
Ec88-116 Universal Soil Loss Equation: A Handbook For Nebraska Producers, A. J. Jones, D. Walters, W. G. Hance, Elbert C. Dickey, J.R. Culver
Ec88-116 Universal Soil Loss Equation: A Handbook For Nebraska Producers, A. J. Jones, D. Walters, W. G. Hance, Elbert C. Dickey, J.R. Culver
University of Nebraska-Lincoln Extension: Historical Materials
Tons of soil are lost from agricultural fields in Nebraska each year as a result of water erosion. The accelerated loss of topsoil reduces the availability of plant nutrients and water needed for optimum crop production. In addition, the eroded soil frequently moves into surface waters causing sediment to be deposited in streams and reservoirs and nutrients to be released into other biological systems. The purposes of this workbook are to provide an understandng of how soil erosion estimates are determined, to estimate erosion control resulting from numerous cropping systems, and to inform the producer of alternative practices which may …
Northeast Research Station Watertown, South Dakota Annual Progress Report, 1987, Agricultural Experiment Station, Plant Science Department
Northeast Research Station Watertown, South Dakota Annual Progress Report, 1987, Agricultural Experiment Station, Plant Science Department
Agricultural Experiment Station and Research Farm Annual Reports
This is the 1987 annual progress report for the Northeast Research Station in Watertown, South Dakota. This report is issued by the South Dakota Agricultural Experiment Station and the South Dakota State University Plant Science Department. This report includes information on the 1987 crop season, including precipitation data, grain and wheat research and disease control, corn breeding, sunflower breeding, insect control, alfalfa test, oats research, and information on the economics of alternative farming.
Oyster Spatfall In Virginia Rivers: 1987 Annual Summary, James Whitcomb
Oyster Spatfall In Virginia Rivers: 1987 Annual Summary, James Whitcomb
Reports
The Virginia Institute of Marine Science (VIMS) conducts weekly surveys from June through early October to obtain oyster spatfall information. Spat counts are made on oyster shells strung on wire and suspended from stakes on public and private beds. The number of spat on shells is counted each week of the spawning season to determine the potential of a particular area for receiving a strike and to predict the most likely period the strikes will occur.
An Economic Analysis Of The Optimum Number, Sizes And Locations Of Livestock Auction Markets In Tennessee, University Of Tennessee Agricultural Experiment Station, Dan L. Mclemore, Emily A. Mcclain, Emmit L. Rawls
An Economic Analysis Of The Optimum Number, Sizes And Locations Of Livestock Auction Markets In Tennessee, University Of Tennessee Agricultural Experiment Station, Dan L. Mclemore, Emily A. Mcclain, Emmit L. Rawls
Research Reports
No abstract provided.
Soybean Variety Tests, 1987, University Of Tennessee Agricultural Experiment Station, Charles R. Graves, Albert Y. Chambers, Melvin A. Newman
Soybean Variety Tests, 1987, University Of Tennessee Agricultural Experiment Station, Charles R. Graves, Albert Y. Chambers, Melvin A. Newman
Research Reports
No abstract provided.
Soil Solution: Documentation, Source Code, And Program Key Version 1.4, University Of Tennessee Agricultural Experiment Station, Jeff Wolt
Soil Solution: Documentation, Source Code, And Program Key Version 1.4, University Of Tennessee Agricultural Experiment Station, Jeff Wolt
Research Reports
No abstract provided.
Disease And Insect Resistance Screening Of The National Subterranean Clover Collection, D J. Gillespie, M J. Barbetti
Disease And Insect Resistance Screening Of The National Subterranean Clover Collection, D J. Gillespie, M J. Barbetti
Division of Plant Research : Technical Report Series
This project commenced in May 1981 primarily to identify sources of resistance to clover scorch (Kabatiella caulivora), root rots (Pythium, Fusarium and Rhizoctonia spp.), and bluegreen aphid (Acyrthospihon kondoi) in the National Subterranean Clover Collection. Screening for resistance to red legged earthmite (Halotydeus destructor) was initiated part way through the project. Since commencement approximately 5,250 introductions and crossbred clover shave been tested for resistance to clover scorch, 420 for resistance to rootrots, 690 for resistance to blue green aphid and 160 for resistance to redlegged earth mite (R.L.E.M.). A large number of clovers possessing resistance to clover scorch have been …
A New Subspecies Of The Free-Tailed Bat, Molossops Greenhalli, From Western Mexico (Mammalia: Chiroptera), J. Knox Jones Jr., Hugh H. Genoways
A New Subspecies Of The Free-Tailed Bat, Molossops Greenhalli, From Western Mexico (Mammalia: Chiroptera), J. Knox Jones Jr., Hugh H. Genoways
University of Nebraska State Museum: Mammalogy Papers
In June of 1964, field parties from the Museum of Natural History, the University of Kansas, collected two specimens of a unique free-tailed bat in Mexico, one in the state of Guerrero and the other in Oaxaca. These proved to be the first specimens of Molossops greenhalli taken outside of Trinidad and the first bats of the genus to be reported from north of Panama. Subsequently, Percy L. Clifton obtained, in the state of Jalisco, three more individuals of M. greenhalli, including the first male from the North American mainland.
Comparison with material from Trinidad indicates that the Mexican …
Mineral-Deficient Diets And The Pig’S Attraction To Blood: Implications For Tail-Biting, David Fraser
Mineral-Deficient Diets And The Pig’S Attraction To Blood: Implications For Tail-Biting, David Fraser
Abnormal Behavior Collection
In two experiments, individually penned growing pigs were exposed daily to two "tail models” (lengths of cotton cord about the size of a pig's tail), one of which had been impregnated with pigs' blood. When fed a balanced "control" diet, the pigs chewed significantly more on the blood-covered model than on the plain one, but with Iarge individual differences between animals. Four weeks of receiving a diet lacking all mineral supplements (iodized salt, dicalcium phosphate, limestone, iron, zinc, manganese, copper, and selenium) caused a pronounced increase in chewing the blood-covered model, and 4 wk of recovery on the control diet …
Research Report No. 17, Stand Structure And Yield Of Slash Pine Plantations In East Texas, Update: 1987, J. David Lenhart
Research Report No. 17, Stand Structure And Yield Of Slash Pine Plantations In East Texas, Update: 1987, J. David Lenhart
Informal Project Reports
An updated diameter distribution yield prediction system is Presented for slash pine ( Pinus elliottii Engelm. ) plantations on non-old-fields in East Texas. The new revised system was developed using data from initial measurement ( 1982- 84) and first remeasurement ( 1985-87) of the East Texas Pine Plan tat ion Research Project permanent Plots.
Research Report No. 16, Stand Structure And Yield Of Loblolly Pine Plantations In East Texas, Update: 1987, J. David Lenhart
Research Report No. 16, Stand Structure And Yield Of Loblolly Pine Plantations In East Texas, Update: 1987, J. David Lenhart
Informal Project Reports
An updated diameter distribution yield prediction system is presented for loblolly pine ( Pinus taeda L. ) plantations on non- old-fields in East Texas. The new revised system was developed using data from initial measurement ( 1982-84) and f irst remeasurement ( 1985-87) of the East Texas Pine Plan tat ion Research Project permanent plots.
Research Project No. 15, Predicting Individual Tree Height Of Planted Loblolly And Slash Pines In East Texas, Update: 1987, Cheryl R. Dixon
Research Project No. 15, Predicting Individual Tree Height Of Planted Loblolly And Slash Pines In East Texas, Update: 1987, Cheryl R. Dixon
Informal Project Reports
Updated equations to estimate individual total tree height of loblolly pine ( Pinus taeda L. ) and slash pine ( Pinus elliottii Engelm. ) trees planted on non-old-fields in East Texas are presented. The new revised equations were developed using data from initial measurement and first remeasurement of the East Texas Pine Plantation Research Project Permanent plots ( 1982-1987).
Southeast South Dakota Experiment Farm Annual Progress Report, 1987, Agricultural Experiment Station
Southeast South Dakota Experiment Farm Annual Progress Report, 1987, Agricultural Experiment Station
Agricultural Experiment Station and Research Farm Annual Reports
This twenty-seventh annual report of the research program at the Southeast South Dakota Experiment Farm has special significance for those engaged in agriculture and the agriculturally related businesses in the nine county area of southeast South Dakota. Reports in this document include information on: temperatures and precipitation data, corn production and performance, soybean research and planting, soil testing, fertilizer testing, herbicide research, crop rotation, sorghum, small grains, livestock research, and pest and weed control.
Isolation And Identification Of The Major Component Of Setal Exudate From Corythucha Ciliate, William Lusby, James Oliver, John W. Neal Jr., Robert Heath
Isolation And Identification Of The Major Component Of Setal Exudate From Corythucha Ciliate, William Lusby, James Oliver, John W. Neal Jr., Robert Heath
United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications
Clear microdroplets are associated with secretory, abdominal setae on nymphs of the sycamore lace bug Corythucha ciliata. The major component of this exudate material has been identified as 3,6-dihydroxy-2-[1-oxo- lO(E)-terradecenyl]cyclohex-2-en- 1-one [1]. Preliminary observations of these insects suggest a defensive function for these exudate droplets.
West River Agricultural Research And Extension Center Progress Report, 1987, Agricultural Experiment Station
West River Agricultural Research And Extension Center Progress Report, 1987, Agricultural Experiment Station
Agricultural Experiment Station and Research Farm Annual Reports
This is the 1987 annual progress report of the West River Crops Soils Research and Extension Center, South Dakota Agricultural Experiment Station. This report includes: a weather summary for all west river counties involved in research, small grain variety trials, information on oilseed crops, feed grain crops, forage crops, management, tillage and cultural practices, and numerous weed control research projects.
Activation Of The Human Immunodeficiency Virus By Herpes Simplex Virus Type 1, Jeffrey M. Ostrove, John Leonard, Karen E. Weck, Arnold B. Rabson, Howard Gendelman
Activation Of The Human Immunodeficiency Virus By Herpes Simplex Virus Type 1, Jeffrey M. Ostrove, John Leonard, Karen E. Weck, Arnold B. Rabson, Howard Gendelman
Nebraska Center for Virology: Faculty Publications
Herpes simplex virus type 1 (HSV-1) and some of its immediate-early genes stimulate expression of the human immunodeficiency virus (HIV) long terminal repeat (LTR) sequences and the replication of HIV itself. To demonstrate this, the HIV LTR was linked to the indicator gene chloramphenicol acetyltransferase (CAT) and transfected into Vero cells with or without the trans-activating gene (tat) of HIV. Infection of these cells with HSV-1 strain KOS or temperature-sensitive mutant tsB2l or tsE6 resulted in a large increase in CAT activity in the absence of tat and further augmentation in the presence of tat. This stimulation was seen at …
Index To Volume 55
Nebraska Bird Review
Index to Volume 55 (A-Z)
Accipiter sp. 4
Albino 7, 81, 88, 89
Alexander, George 7 Irene 7
Alfalfa 36
Alfred, Norris 15, 33(2), 59, 79 Wberry, Dwight 43
Allen, Betty 3
Andelt, Frank E. 33
Anderson, James 8
Anhinga 50
Ani, Groove-billed 82
Aphids 37
Avocet, American 14, 30, 35, 54, 59
...........
Yellowlegs, Greater 14, 54, 78
Lesser 14, 35, 43, 55
sp. 14, 55
Yellowthroat, Common 23, 34, 36, 48, 53, 63, 78
Zlonke, Jack 13, 57
Bibliography Of Agricultural Climatology: Part Ii, University Of Tennessee Agricultural Experiment Station, Joanne Logan
Bibliography Of Agricultural Climatology: Part Ii, University Of Tennessee Agricultural Experiment Station, Joanne Logan
Research Reports
No abstract provided.
1987 Fall Field Day
Nebraska Bird Review
The weather was bright and clear for the 75 people who attended some part of the 1987 Fall Field Day at the 4-H Camp at Halsey National Forest 3 and 4 October. It was nice to have Mrs. Gross, who broke her leg at the Valentine meeting, among those attending. Her leg was progressing according to schedule, although she still used a crutch, There was the usual slide show Saturday night, the rest of the time was for birding, including banding. The Executive Board decided to have the terms of members of the Records Committee start and expire with the …
Early Fall Migration Of Sedge Wrens, Paul A. Bedell
Early Fall Migration Of Sedge Wrens, Paul A. Bedell
Nebraska Bird Review
Johnsgard (1980) lists the Sedge Wren (Cistothorus platensis) as an uncommon spring and fall migrant in eastern Nebraska, and a rare summer resident in eastern Nebraska, mostly east of a line from Knox to Gage counties. Half of the initial spring records occur between 1 and 12 May, with the latest 3 June. Half of the final fal1 records occur between 11 Sept. and 9 Oct., with the earliest 29 July. This paper presents observations of Sedge Wrens during 1987 in southcentral Nebraska, west of the line.
I found Sedge Wrens to be local1y common in grassy or …
Eskimo Curlew Sighted
Nebraska Bird Review
When Craig Faanes, Grand Island, went to the Mormon Island Crane Meadows 16 April 1987 to watch Sandhill Cranes at night he saw a bird that he first took for a Whimbrel. He was familiar with Whimbrels on both coasts, but the more he studied the bird the more he was convinced that the bird was an Eskimo Curlew. After he had gone to the natural history museum at UNL and studied a stuffed Eskimo Curlew be was convinced that that was what he had seen. After the date of this sighting Eskimo Curlews were reported from "the Sabine and …
First Report Of The Nou Records Committee, Wayne J. Mollhoff
First Report Of The Nou Records Committee, Wayne J. Mollhoff
Nebraska Bird Review
Since this is the first report of the NOU Records Committee, perhaps a few words of background explanation are in order. I was named to establish a records committee at the annual meeting of the NOU in May 1985. At the fall field day in October 1985 I met with those people who had indicated a willingness to serve and was named chairman. I presented a draft set of by-laws, which we discussed, amended, and adopted. The committee membership and by-laws were approved by the NOU Board of Directors and ultimately published (NBR 54:72-74, ]986). Two of the main …
Notes- Nebraska Bird Review (December 1987), Charles Lesick Sr., Graham Chisholm, Bill Garthright, John Row, R. G. Cortelyou
Notes- Nebraska Bird Review (December 1987), Charles Lesick Sr., Graham Chisholm, Bill Garthright, John Row, R. G. Cortelyou
Nebraska Bird Review
YELLOW RAILS. On 21 September 1986, while conducting a waterfowl survey on the Jack Senn WMA, near Ceresco, Lancaster Co., I flushed a small rail-like bird, which flew a short distance before landing in heavy grass. Although its flight was very similar to the Virginia Rail and the Sora, which I was accustomed to seeing, the light color and white wing patches were very distinctive. Later I checked a field guide and found that the description most closely matching this bird was that of the very secretive Yellow Rail.
I had planned to do some rail and snipe hunting the …
The Nebraska Bird Review (December 1987)- Whole Issue
The Nebraska Bird Review (December 1987)- Whole Issue
Nebraska Bird Review
Table of Contents
Eskimo Curlew Sighted..............78
1987 Fall Field Day..............78
First Report of the NOU Records Committee..............79
Book Reviews..............85
Early Fall Migration of Sedge Wrens..............86
Notes..............88
Index to Volume 55..............89
Book Review- Nebraska Bird Review (December 1987)
Book Review- Nebraska Bird Review (December 1987)
Nebraska Bird Review
A Field Guide to Hawks of North America, William S. Clark. Illustrations by Brian K. Wheeler. 1987. Number 35 in The Peterson Field Guide Series. edited by Roger Tory Peterson. Houghton Mifflin Co., Boston. xii + 198 pp., 24 color plates. 2 black-and-white plates, 241 photographs. 6 figures. 32 maps. ISB N 0- 395-36001 - 3 (hardcover) $19.95, ISBN 0-395-44112-9 (softcover) $13.95.
The softcover is a mere 4.5 x 7.25 inches, and less than 0.75 inches thick, but the wealth of information concerning the field identification of diurnal raptors is enormous. William S. Clark, from Arlington, VA, (not William H. …
Use Of Soybean Meal, Raw Soybeans, & Heat-Treated Soybeans As Protein Supplements With & Without Niacin For Dairy Cows In Early Lactation, Daniel Aguilar
Use Of Soybean Meal, Raw Soybeans, & Heat-Treated Soybeans As Protein Supplements With & Without Niacin For Dairy Cows In Early Lactation, Daniel Aguilar
Masters Theses & Specialist Projects
Twenty three cows with an average of 2.7 lactations were used to measure the effects of different protein sources (soybean meal, soybeans, and heat-treated soybean) and supplementation with niacin on milk production, milk components (protein, fat, somatic cell counts), 4% fat corrected milk, solid corrected milk, dry matter intake, body weight changes, and rumen volatile fatty acids (acetate, propionate, butyrate).
Diets affected performance of cows. The results indicate, in general, that feeding heat-treated soybean and soybean meal to lactating dairy cows in early lactation resulted in greater milk production, milk protein, dry matter intake and less loss of body weight …
The Prairie Naturalist Volume 19, No. 4. December 1987
The Prairie Naturalist Volume 19, No. 4. December 1987
The Prairie Naturalist
Paul B. Kannowski, Editor
Nikki R. Seabloom, Assistant Editor
Douglas H. Johnson, Book Review Editor
TABLE OF CONTENTS
BREEDING BIRDS AND VEGETATION STRUCTURE IN WESTERN NORTH DAKOTA WOODED DRAWS ▪ C. A. Faanes
PRODUCTIVITY OF RED-WINGED BLACKBIRDS IN SOUTH DAKOTA ▪ J. F. Besser, O. E. Bray, J. W. De Grazio, J. L. Guarino, D. L. Gilbert, R. R. Martinka, and D. A. Bysart
DENSITY AND DISTRIBUTION OF THE MOUNTAIN PLOVER ON THE CHARLES M. RUSSELL NATIONAL WILDLIFE REFUGE ▪ S. L. Olson-Edge and W. D. Edge
EFFECT OF CALCULATION TECHNIQUE ON THE ESTIMATION OF LEAF AREA IN A MIXED …
[Review Of] The Body In Time, Robert A. Aken
[Review Of] The Body In Time, Robert A. Aken
Library Faculty and Staff Publications
No abstract provided.
Factors Affecting Frost Damage To Wheat In Western Australia, S P. Loss
Factors Affecting Frost Damage To Wheat In Western Australia, S P. Loss
Division of Plant Research : Technical Report Series
It may at first seem strange that precious research funds are being channelled into a project concerned with frost damage in a country where high temperatures and moisture stress limit the growth of plants for a large portion of the year. But cereal crops are only grown in the temperate zones of the continent during winter and spring when they may be exposed to low diurnal temperatures. In many areas cold damage is irregular and rare,however it limits yields not only by causing actual damage but also by restricting the most effective period for flowering. For muck of the Australian …
Wpa News 18 (1987), World Pheasant Association
Wpa News 18 (1987), World Pheasant Association
Galliformes Specialist Group and Affiliated Societies: Newsletters
WPA News (December 1987), number 18
Published by the World Pheasant Association