Rangeland Ecology & Management
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- Library Collection RecordUnder grazing, creeping-rooted alfalfa (Medicago sativa L.) cultivars have been reported to be more productive and have higher survival than tap-rooted cultivars. To determine if differences in…Publication Date 1991-01-01
- stress response
- total nonstructural carbohydrates
- varietal reactions
- Medicago sativa
- clipping
- dry matter accumulation
- carbohydrates
- root systems
- cultivars
- regrowth
- crop yield
- defoliation
- grazing
- forage
- Library Collection RecordEfficacy of a continuous release marker device (CRD) containing chromium oxide to estimate fecal output was evaluated in two 12-day grazing trials with beef steers (n = 10, trial 1; n = 7, trial 2).…Publication Date 1991
- faeces
- sampling
- animal nutrition
- beef cattle
- forage
- feed intake
- chromic oxide
- grazing trials
- markers
- Library Collection RecordA sequential multiple latin square experimental design was evaluated as a tool for establishing dietary preference rankings. Dietary preference of 4 grasses was determined by a series of four 4 X 4…Publication Date 1991
- Alopecurus
- lambs
- Festuca arundinacea
- evaluation
- palatability
- statistical analysis
- forage
- feed intake
- feeding preferences
- Alopecurus arundinaceus
- Elytrigia elongata
- ranking
- Library Collection RecordClearing and thinning of caatinga vegetation in northeastern Brazil are viewed as methods of optimizing forage and wood production. Our study compared the botanical composition of goat diets relative…Publication Date 1990-11-01
- tropical forests
- caatinga
- thinning
- goat feeding
- deciduous forests
- silvopastoral systems
- clearcutting
- woodland grasslands
- pastures
- natural grasslands
- diets
- goats
- Brazil
- biomass
- seasonal variation
- botanical composition
- canopy
- forage
- Library Collection RecordResponse of key warm-season grasses to time, frequency, and duration of defoliation is needed to develop grazing systems for the Nebraska Sandhills. A 3-year (1986 to 1988) study was conducted on a…Publication Date 1990-11-01
- leaf duration
- crop growth stage
- buds
- timing
- Schizachyrium scoparium
- dry matter accumulation
- persistence
- cutting date
- cutting frequency
- Nebraska
- tillering
- defoliation
- forage
- Library Collection RecordIn vivo digestibility trials were conducted in metabolism stalls at New Mexico State University to evaluate the influence of leaves of true mountain mahogany (Cercocarpus montanus Raf.) and fourwing…Publication Date 1990-11-01
- digestible protein
- nitrogen retention
- feed conversion
- nitrogen balance
- toxicity
- Atriplex canescens
- chemical composition
- hay
- crude protein
- Bouteloua gracilis
- shrubs
- diets
- goats
- nutritive value
- Cercocarpus montanus
- New Mexico
- forage
- Library Collection RecordImproved carrying capacity of grasslands has been attributed to the effect of time-controlled grazing with high animal density, which can be achieved by increased stocking rates as well as by fencing…Publication Date 1990-11-01
- stress response
- mixed pastures
- Festuca
- controlled grazing
- grazing trials
- root systems
- Alberta
- stocking rate
- regrowth
- natural grasslands
- cattle
- prairies
- crop yield
- botanical composition
- grazing
- forage
- Library Collection RecordThis material was digitized as part of a cooperative project between the Society for Range Management, the National Agricultural Library, and the University of Arizona Libraries. The Rangelands…Publication Date 1990-10-01
- range management
- United States
- rangelands
- forage
- pastures
- Southeastern United States
- Northeastern United States
- Midwestern United States
- Library Collection RecordA tandem arrangement of 3 grinding mills was devised to decrease the time required in grinding dried forage herbage to the uniform small particle size suitable for near infrared analysis. The…Publication Date 1990-09-01
- milling
- mills
- sample processing
- particle size
- sampling
- forage
- Library Collection RecordPrairie threeawn (Aristida oligantha Michx.) is an indicator of deteriorated range and is unpalatable and mechanically injurious to livestock. The effects of date of burning (November, February, or…Publication Date 1990-09-01
- crop quality
- atrazine
- burning
- cultural control
- Aristida oligantha
- grassland improvement
- weed control
- chemical control
- Oklahoma
- natural grasslands
- prairies
- crop yield
- forage
- Library Collection RecordFew studies have dealt with measuring individual plant defoliations in the context of intensive grazing management. In May, July, and August of 1987, grazing trials were conducted to quantify the…Publication Date 1990-09-01
- feeding frequency
- grazing time
- leaf area
- Schizachyrium scoparium
- grazing trials
- Sorghastrum nutans
- Andropogon gerardii
- rotational grazing
- tillers
- grazing intensity
- grazing behavior
- prairies
- grazing
- beef cattle
- forage
- feeding preferences
- Library Collection RecordA management strategy using short-duration grazing and fertilization was simulated in a study with individual ‘Ermelo’ weeping lovegrass [Eragrostis curvula (Shrad.) Nees] plants. Influence of 2…Publication Date 1990-09-01
- shoot pruning
- NPK fertilizers
- crop quality
- Eragrostis curvula
- dry matter accumulation
- irrigation scheduling
- root systems
- water-use efficiency
- regrowth
- crude protein
- growth rate
- biomass
- crop yield
- forage
- plant height
- Library Collection RecordHerbage biomass for blue grama (Bouteloua gracilis [H.B.K. Lag]), pinyon ricegrass (Piptochaetium fimbriatum [H.B.K.] Hitche.), New Mexico muhly (Muhlenbergia pauciflora Buckl.), other grasses and…Publication Date 1990-09-01
- mixed forests
- muhlenbergia pauciflora
- piptochaetium fimbriatum
- light penetration
- Muhlenbergia
- Juniperus monosperma
- silvopastoral systems
- forest ecology
- pinyon-juniper
- Pinus edulis
- understory
- pastures
- Poaceae
- Bouteloua gracilis
- biomass
- canopy
- New Mexico
- forage
- Library Collection RecordGlobemallows (Sphaeralcea spp.) have potential in rangeland seedings. Thirty-seven accessions of globemallow were grown at 2 sites in northern Utah and southern Idaho to quantify their agronomic…Publication Date 1990-09-01
- sphaeralcea munroana
- Sphaeralcea
- sphaeralcea grossulariifolia
- sphaeralcea parvifolia
- Sphaeralcea coccinea
- mixed pastures
- Medicago sativa
- agronomic traits
- sown grasslands
- arid zones
- genotype
- Agropyron desertorum
- genetic variation
- Agropyron cristatum
- mortality
- seeds
- pastures
- Idaho
- growth rate
- crop yield
- Utah
- forage
- Library Collection RecordLiveweight (LW) changes and behavior of growing rams were measured in 1981, 1982, 1985, and 1986 at the Timahdit Experiment Station in the Middle Atlas, Morocco, at stocking rates of 2.78, 4.17, and…Publication Date 1990-09-01
- rams
- Morocco
- selling prices
- production costs
- decision making
- stocking rate
- grazing intensity
- diets
- grazing behavior
- in vitro digestibility
- range management
- forage
- dry matter
- feed intake
- Library Collection RecordThis material was digitized as part of a cooperative project between the Society for Range Management, the National Agricultural Library, and the University of Arizona Libraries. The Rangelands…Publication Date 1990-08-01
- tropics
- arid lands
- Andropogon gayanus
- pasture plants
- Gamba grass
- Africa
- South America
- grasses
- Australia
- forage
- Library Collection RecordThis material was digitized as part of a cooperative project between the Society for Range Management, the National Agricultural Library, and the University of Arizona Libraries. The Rangelands…Publication Date 1990-08-01
- Yucca elata
- silage making
- forage
- United States
- cattle feeding
- Library Collection RecordA 2-year experiment was conducted to determine the effect of 27 years of continuous grazing at moderate (7 ha/cow/yr) (MC) and heavy (5 ha/cow/yr) (HC) rates of stocking on seasonal diet selection…Publication Date 1990-07-01
- nutrient intake
- protein content
- stocking rate
- crude protein
- dietary supplements
- diets
- cattle
- in vitro digestibility
- seasonal variation
- botanical composition
- grazing
- forage
- Library Collection RecordMycorrhizal symbiosis is critical to growth of many warm-season prairie grass seedlings, but its effect on regrowth of rhizomes has not been determined. As forage species, the effect of grazing on…Publication Date 1990-07-01
- vesicular arbuscular mycorrhizae
- shoot pruning
- rhizomes
- colonizing ability
- symbiosis
- shoots
- Andropogon gerardii
- regrowth
- growth rate
- crop yield
- grazing
- forage
- Library Collection RecordThe phenology of 75 plant species belonging to an Artemesia tridentata Nutt./Agropyron spicutum (Pursh.) Scribn. & Smith plant community in southern British Columbia was recorded in 1978 and 1979…Publication Date 1990-07-01
- temporal distribution
- Pseudoroegneria spicata
- distribution
- British Columbia
- adaptation
- soil water content
- growth rate
- Artemisia tridentata
- plant communities
- spatial distribution
- drought
- range management
- phenology
- botanical composition
- forage
- Library Collection RecordA major problem in evaluating nutritional quality of the grazing animal’s diet is collecting forage representative of that being grazed. We compared the chemical composition of simulated diet (SD)…Publication Date 1990-07-01
- simulated diets
- mixed pastures
- Bromus inermis
- crop quality
- sown grasslands
- Psathyrostachys juncea
- Agropyron desertorum
- feces composition
- fiber content
- nitrogen
- phosphorus
- nutrient contents of plants
- Poaceae
- natural grasslands
- Pascopyrum smithii
- diets
- cattle
- in vitro digestibility
- forage
- Library Collection RecordThree rates of dried sewage sludge (22.5, 45.0, and 90.0 Mg (megagrams) ha-1), were applied to a degraded semiarid grassland site on the Upper Rio Puerto Watershed in west-central New Mexico. Various…Publication Date 1990-07-01
- heavy metals
- sewage sludge
- semiarid soils
- soil amendments
- grassland improvement
- population density
- soil fertility
- Gutierrezia sarothrae
- yields
- trace elements
- nutrient contents of plants
- Bouteloua gracilis
- growth rate
- botanical composition
- New Mexico
- forage
- Library Collection RecordTwo experiments with wethers and one with steers were conducted to compare extraction methods of ash-free indigestible acid detergent fiber (IADF) from feed, and to determine variation across days in…Publication Date 1990-05-01
- wethers
- fistulation
- digestibility trials
- grazing trials
- fiber content
- esophagus
- steers
- forage
- Library Collection RecordThe effect of short duration, heavy grazing by cattle was evaluated 3 and 6 years after burning and seeding of an aspen (Populus tremuloides Michx.) grove. Replicated paddocks of June grazed (early…Publication Date 1990-05-01
- natural regeneration
- crops
- sowing
- Populus tremuloides
- fires
- fire effects
- Alberta
- prescribed burning
- woody plants
- range management
- grazing
- forage
- Library Collection RecordDespite the availability of potentially profitable range improvement alternatives, private land ranch managers in the central U.S. are not readily adopting recommended range improvement practices.…Publication Date 1990-05-01
- animal husbandry
- risk
- simulation models
- costs and returns
- brush control
- profitability
- range management
- United States
- forage
- Library Collection RecordAn experiment was conducted to determine whether or not the effects of forage type and time into feeding period precluded use of esophageal extrusa to estimate relative dietary mineral status of…Publication Date 1990-03-01
- foraging period
- wheat
- assessment
- Cynodon dactylon
- nutritional status
- hay
- mineral nutrition
- steers
- diets
- forage
- Library Collection RecordIt is common in range science to base stocking rate estimates on range sites as units of forage production. However, little is known about how diet composition, quality, and intake may differ by…Publication Date 1990-03-01
- availability
- grazing pressure
- clay loam soils
- nutrient intake
- site factors
- pastures
- sandy loam soils
- heifers
- diets
- grazing behavior
- in vitro digestibility
- botanical composition
- nutritive value
- forage
- Library Collection RecordLittle has been done to evaluate the mid-winter crude protein, phosphorus, and in vitro digestibility of subspecies and accessions of rubber rabbitbrush (Chrysothamnus nauseosus ssp.) For those few…Publication Date 1990-03-01
- geographical races
- variation
- Chrysothamnus nauseosus
- winter
- phosphorus
- crude protein
- California
- in vitro digestibility
- Nevada
- nutritive value
- Utah
- Arizona
- forage
- Library Collection RecordLittle information is available on goat nutrition and diet selection on shrub-dominated ranges. This study examined the botanical and nutritive composition of Angora and Spanish goat diets, and…Publication Date 1990-03-01
- alfalfa
- alfalfa hay
- digestible energy
- Quercus havardii
- fiber content
- pastures
- tannins
- hay
- crude protein
- feed supplements
- diets
- goats
- in vitro digestibility
- Texas
- botanical composition
- nutritive value
- forage
- feed intake
- Library Collection RecordA 4-year study was conducted on Cross Timbers range in north-central Oklahoma. Conventional seasonlong grazing (SLS) of stocker cattle was compared to intensive-early season stocking (IES). Stocking…Publication Date 1990-03-01
- forests
- liveweight gain
- stocking rate
- pastures
- vegetation
- Oklahoma
- prairies
- defoliation
- grazing
- beef cattle
- forage
- Library Collection RecordShort-duration grazing (SDG) has been purported to increase forage production and utilization compared to other grazing systems, and thus can sustain higher stocking rates. This study was designed to…Publication Date 1990-03-01
- availability
- stocking rate
- pastures
- cattle
- plant density
- Texas
- botanical composition
- grazing
- forage
- Library Collection RecordSpoil material replaced after strip mining for lignite coal may differ from the original top soil with respect to concentrations of copper (Cu) and molybdenum (Mo), consequently levels of these…Publication Date 1990-01-01
- copper
- molybdenum
- trace element deficiencies
- reclaimed land
- nutrient deficiencies
- mined soils
- grazing trials
- pastures
- steers
- natural grasslands
- nutritive value
- forage
- North Dakota
- Library Collection RecordData from 2 consecutive grazing experiments conducted over 7 years on a Mediterranean type grassland were used to calculate forage consumption by herds of beef cattle maintained at different stocking…Publication Date 1990-01-01
- performance traits
- Mediterranean region
- Israel
- cows
- liveweight gain
- continuous grazing
- grazing trials
- rotational grazing
- dietary supplements
- grazing
- forage
- Library Collection RecordUtilizing source data for annual herbage production which had been obtained through repeated measurements, though not necessarily taken in each year, in 2 Arizona ponderosa pine (Pinus ponderosa)…Publication Date 1990-01-01
- forest ecology
- watersheds
- understory
- Pinus ponderosa
- regression analysis
- growth rate
- plant communities
- canopy
- Arizona
- forage
- Library Collection RecordAbstract not availablePublication Date 1990
- tropics
- Andropogon gayanus
- pasture plants
- Gamba grass
- Africa
- South America
- grasses
- Australia
- forage
- arid lands
- Library Collection RecordThis material was digitized as part of a cooperative project between the Society for Range Management, the National Agricultural Library, and the University of Arizona Libraries. The Rangelands…Publication Date 1989-12-01
- rangelands
- forage
- photographs
- biomass determination
- analytical methods
- land productivity
- estimates
- Library Collection RecordThis material was digitized as part of a cooperative project between the Society for Range Management, the National Agricultural Library, and the University of Arizona Libraries. The Rangelands…Publication Date 1989-12-01
- forest inventory
- Dominican Republic
- Sierra de Bahoruco
- Sabana de San Juan
- water resources
- pastures
- forage
- sampling
- rangelands
- range management
- Library Collection RecordDiet quality and forage quality were determined under short-duration and continuous grazing of intermediate wheatgrass (Agropyron intermedium) in 72-day grazing trials in 1985 and 1986. The short-…Publication Date 1989-11-01
- Agropyron intermedium
- forage
- beef cattle
- wethers
- digestibility
- passage rates
- Library Collection RecordThis study considered seedling establishment characteristics, nitrogen fixation capability, nutritive value, and clustering relationships among 11 putative ecotypes of sweetvetch (Hedysarum boreale…Publication Date 1989-11-01
- Hedysarum
- provenance trials
- crop establishment
- cluster analysis
- nitrogen fixation
- ecotypes
- genetic variation
- seedlings
- nutritive value
- Utah
- forage
- Library Collection RecordThis material was digitized as part of a cooperative project between the Society for Range Management, the National Agricultural Library, and the University of Arizona Libraries. The Rangelands…Publication Date 1989-10-01
- Quercus gambelii
- natural thinning
- fuelwood
- sprouts
- vegetation management
- forage
- plant communities
- Colorado
- Library Collection RecordThis material was digitized as part of a cooperative project between the Society for Range Management, the National Agricultural Library, and the University of Arizona Libraries. The Rangelands…Publication Date 1989-10-01
- crop production
- tillage
- grain crops
- Hedysarum
- Medicago
- Tunisia
- variation
- farm management
- forage
- rain
- sheep
- rangelands
- grazing
- Library Collection RecordAcute and chronic dietary deficiencies in macro and micro minerals have significant impacts on production efficiency on rangelands throughout the world. However, limited information is available on…Publication Date 1989-09-01
- mineral content
- dietary minerals
- Texas
- beef cattle
- forage
- Library Collection RecordAn algorithm was developed to conduct bite-count sampling employing a programmable pocket computer. The BASIC program was successfully employed to collect forage selection data on rangeland livestock…Publication Date 1989-09-01
- computer software
- botanical composition
- forage
- Library Collection RecordManagers often deal with the problem of herd replacement of one animal class by another. A preliminary study suggested that steers could be substituted for cow-calf pairs on shortgrass steppe on a…Publication Date 1989-07-01
- animal unit equivalent
- substitution
- conversion
- cows
- sown grasslands
- ratios
- calves
- steppes
- stocking rate
- pastures
- steers
- natural grasslands
- range management
- Colorado
- forage
- feed intake
- Library Collection RecordA field study was conducted from 1981 through 1986 on an established stand of grass and legume species on topsoiled coalmine spoils in northwest Colorado to evaluate the effects of N and P…Publication Date 1989-07-01
- fodder legumes
- residual effects
- phosphorus fertilizers
- crop quality
- dry matter accumulation
- protein content
- coal mined land
- nitrogen fertilizers
- mountain grasslands
- crude protein
- growth rate
- plant density
- application rates
- range management
- crop yield
- botanical composition
- grasses
- Colorado
- forage
- Library Collection RecordThis study assesses survival and agronomic performance of 7-year-old stands of 25 alfalfa (Medicago sativa L.) cultivars and experimental strains interseeded into rangeland near Mandan, N.Dak.…Publication Date 1989-07-01
- interplanting
- strains
- rhizomes
- mixed pastures
- Medicago sativa
- Hesperostipa comata
- sowing
- agronomic traits
- dry matter accumulation
- roots
- Agropyron desertorum
- mortality
- cultivars
- Poaceae
- Pascopyrum smithii
- Bouteloua gracilis
- growth rate
- semiarid zones
- crop yield
- forage
- North Dakota
- Library Collection RecordSeasonal herbaceous production was measured beneath tree canopies of blue oak (Quercus douglasii Hook & Arn.), interior live oak (Quercus wislizenii DC), and digger pine (Pinus sabiniana Dougl…Publication Date 1989-07-01
- seasonal development
- dry matter accumulation
- woodland grasslands
- Quercus douglasii
- Quercus wislizeni
- Pinus sabiniana
- growth rate
- California
- dry environmental conditions
- drought
- forage
- water stress
- Library Collection RecordThe objective of this study was to determine the variability of Ca, Mg, K, Cu, Zn, and K/(Ca+Mg) ratio in 'Jose' tall wheatgrass [Thinopyrum ponticum (Podp.) Barkw. & D.R. Dewey],…Publication Date 1989-07-01
- cation ratios
- Onobrychis viciifolia
- zinc
- copper
- Elytrigia intermedia subsp. intermedia
- hybrids
- grass tetany
- mineral content
- ratios
- Agropyron desertorum
- Agropyron cristatum
- chemical composition
- potassium
- magnesium
- calcium
- Texas
- nutritive value
- beef cattle
- forage
- Elytrigia elongata
- Library Collection RecordIn vivo digestibility trials were conducted to evaluate the influence of shrubs containing low and high levels of soluble phenolic/-tannins on digestibility and nitrogen retention by Angora goats.…Publication Date 1989-05-01
- browse
- Angora goats
- ruminants
- forage
- Library Collection RecordUnderstory-overstory relationships were examined over 7 different growing stock levels (GSLs) of 2 size classes (saplings, 8-10 cm d.b.h. and poles, 15-18 cm d.b.h.) of ponderosa pine (Pinus…Publication Date 1989-05-01
- plant production
- forage
- models
- trees
- basal area
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