Rangeland Ecology & Management
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- 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 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 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 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
- Library Collection RecordA rising plate meter (RPM) and ocular estimation of herbage fresh weight (OCES) were compared as double sampling methods to measure herbage dry weight (DWT) in a mountain meadow grazed by cattle (0,…Publication Date 1989-01-01
- mountains
- mountain areas
- meadows
- measurements
- highlands
- estimation
- California
- biomass
- range management
- forage
- Library Collection RecordA salt water blowout at an oil drilling site in 1982 in a badlands area of western North Dakota caused severe damage to the native vegetation. A study was initiated to measure the effect of…Publication Date 1989-01-01
- oil spills
- decontamination
- plant cover
- brine
- reclamation
- land restoration
- grasses
- forage
- North Dakota
- Library Collection RecordThurber needlegrass (Stipa thurberiana Piper) is an important component of both forested and shrub-steppe communities of the Pacific Northwest and Great Basin regions, and little is known of its…Publication Date 1988-11-01
- Achnatherum thurberianum
- roots
- stocking rate
- regrowth
- Oregon
- range management
- phenology
- rangelands
- defoliation
- livestock
- grazing
- forage
- Library Collection RecordStocking rate effects on intensive-early stocked Kansas Flint Hills range were studied from 1982 through 1987. Rates were 2X, 2.5X, and 3X normal season-long stocking rates for 200-225 kg steers.…Publication Date 1988-11-01
- carbohydrates
- Kansas
- yields
- stocking rate
- winter
- Andropogon gerardii
- cattle
- rangelands
- grazing
- forage
- Library Collection RecordChanges in community composition of 2 grassland sites exposed to a flood of unusual intensity and duration were investigated in the Flooding Pampa. These grasslands are subject almost annually to…Publication Date 1988-11-01
- flora
- plant community analysis
- floodplains
- grasslands
- flooding
- cattle
- Argentina
- botanical composition
- grazing
- forage
- Library Collection RecordContinuous stocking usually leads to the formation of grazed patches. However, the effect of patches on the grassland community is related to their stability. Therefore, we studied the spatial…Publication Date 1988-11-01
- Festuca altaica
- plant community analysis
- danthonia parryi
- grasslands
- yields
- Alberta
- stocking rate
- botanical composition
- livestock
- grazing
- forage
- Library Collection RecordThis material was digitized as part of a cooperative project between the Society for Range Management and the University of Arizona Libraries. The Journal of Range Management archives are made…Publication Date 1988-11-01
- Kansas
- liveweight gain
- yields
- stocking rate
- winter
- Andropogon gerardii
- cattle
- rangelands
- grazing
- forage
- Library Collection RecordArmed saltbush [Atriplex acanthocarpa (Torr.) Wats.] and fourwing saltbush [A. canescens (Pursh) Nutt.] are browsed by livestock and white-tailed deer (Odocoileus virginianus Raf.). The objective of…Publication Date 1988-09-01
- atriplex acanthocarpa
- Atriplex canescens
- Odocoileus virginianus
- species
- digestibility
- semiarid zones
- Texas
- rangelands
- livestock
- forage
- plant height
- chemical constituents of plants
- Library Collection RecordLehmann lovegrass (Eragostis lehmanniana Nees) may be viewed as either an undesirable exotic invader or an important ground cover and forage plant on southwestern rangelands, depending on management…Publication Date 1988-09-01
- ground cover plants
- Weeds
- seedling emergence
- ecological succession
- mortality
- fires
- fire effects
- prescribed burning
- land restoration
- seed germination
- range management
- Eragrostis lehmanniana
- rangelands
- Arizona
- forage
- Library Collection RecordPrescribed burning in Pinus pinaster forests was evaluated in terms of the effects on Chamaespartium tridentatum. Postfire forage quantity and quality were studied. Total biomass production, current…Publication Date 1988-09-01
- Pinus pinaster
- Fabaceae
- Portugal
- forests
- shoots
- fires
- fire effects
- crop production
- prescribed burning
- digestibility
- biomass accumulation
- nutritive value
- forage
- Library Collection RecordManipulating stocking rate and duration of grazing is fundamental to range management. It has been claimed that rotation grazing systems will increase stocking capacity of range while maintaining or…Publication Date 1988-07-01
- economics
- Hesperostipa comata
- Agropyron
- liveweight gain
- stocking rate
- crop production
- rotational grazing
- Pascopyrum smithii
- Wyoming
- grazing intensity
- cattle
- range management
- grazing
- forage
- Library Collection RecordNutritional studies frequently require an estimate of animal diet digestibility, but current in vitro techniques require costly fistulated animals, and variation in rumen fluid activity often results…Publication Date 1988-07-01
- feed mixing
- cellulases
- rumen fluids
- histology
- Poaceae
- diet studies
- cattle
- in vitro digestibility
- Texas
- rangelands
- forage
- Library Collection RecordResearchers continue to oven- and air-dry extrusa samples from esophageally fistulated animals, despite evidence that this practice leads to erroneous nutritional evaluations. Two studies were…Publication Date 1988-07-01
- drying
- esophageal fistula
- phenolic compounds
- chemical composition
- sheep
- diet studies
- goats
- Brazil
- in vitro digestibility
- rangelands
- nutritive value
- forage
- Library Collection RecordSimulated 8-pasture short duration grazing systems were studied in 1985-86 to determine the effect of timing and intensity of grazing on seasonal herbage dynamics. Treatments consisted of 3 grazing…Publication Date 1988-05-01
- correlation
- controlled grazing
- stocking rate
- Oklahoma
- land restoration
- prairies
- range management
- biomass accumulation
- grazing
- forage
- Library Collection RecordThe need for forage plants that are productive in, and adapted to, semiarid conditions prompted us to examine the range and independence of assortment of nutritional qualities of wild stands of…Publication Date 1988-03-01
- Salsola
- water soluble compounds
- acid detergent fiber
- Southwestern United States
- physicochemical properties
- nitrates
- oxalates
- lignin
- crude protein
- California
- semiarid zones
- in vitro digestibility
- Texas
- Nevada
- nutritive value
- New Mexico
- Arizona
- forage
- dry matter
- Library Collection RecordAn approach was developed for estimating the economic optimum rate of initial overstory kill for increasing seasonal forage availability. The model was formulated using: (1) a biological production…Publication Date 1988-03-01
- scrub control
- overstory control
- understory release
- econometric models
- optimization
- Agropyron desertorum
- Agropyron cristatum
- crop production
- Artemisia tridentata
- range management
- Utah
- forage
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