Rangeland Ecology & Management
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- Library Collection RecordAlteration of stream channel morphology by cattle and associated streambank erosion is a concern on rangeland watersheds. The objective of this study was to determine changes in stream channel…Publication Date 2002-11-01
- stream channel depth
- riparian grasslands
- depth
- stream erosion
- streams
- savanna woodlands
- Quercus wislizeni
- width
- grazing experiments
- dry seasons
- wet season
- pastures
- grazing intensity
- California
- range management
- beef cattle
- plant height
- grazing effects
- stream bank erosion
- sediments
- annual rangelands
- California
- Library Collection RecordA 2-year field experiment was undertaken to quantify the interacting effects of a late-spring prescribed burn and summer rainfall on seasonal runoff and erosion in a southern Arizona grassland. Six…Publication Date 2003-01-01
- Lycurus
- perennial bunchgrasses
- soil water movement
- Muhlenbergia
- soil density
- Eragrostis
- Bouteloua
- water erosion
- semiarid grasslands
- rain
- runoff
- prescribed burning
- rainfall simulators
- plant communities
- sediment yield
- grasses
- bulk density
- Arizona
- Arizona
- sediment yield
- summer rainfall
- Library Collection RecordPeriodic summer rainstorms in some semi-arid regions result in variable soil moisture and differential establishment of seeded species. A 2-year study investigated soil water effects on germination…Publication Date 2003-01-01
- Muhlenbergia porteri
- Bothriochloa barbinodis
- drying front
- choice of species
- Leptochloa dubia
- Eragrostis intermedia
- Leptochloa
- revegetation plants
- Digitaria californica
- adventitious roots
- recruitment
- Bouteloua curtipendula
- Eragrostis
- semiarid grasslands
- seedling emergence
- drought tolerance
- rain
- species differences
- soil water content
- summer
- seed germination
- Eragrostis lehmanniana
- Arizona
- warm season
- desert grasslands
- rangeland revegetation
- drought tolerance
- Bouteloua curtipendula
- Bothriochloa barbinodis
- Leptochloa dubia
- Digitaria californica
- Muhlenbergia porteri
- Eragrostis lehmanniana
- Eragrostis intermedia
- Eragrostis lehanniana X tricophera
- Library Collection RecordNitrogen fertilization is a common practice on introduced grass pastures established on marginal farmland in the Southern Great Plains. The efficiency of N fertilizer use on pastures and concern…Publication Date 2000-03-01
- soil organic matter
- costs and returns
- production costs
- liveweight gain
- Bothriochloa ischaemum
- rain
- nitrogen fertilizers
- stocking rate
- pastures
- Oklahoma
- steers
- crude protein
- summer
- soil chemistry
- in vitro digestibility
- nitrogen content
- application rates
- biomass
- Southern Plains
- marginal farmland
- grass fertilization
- old world bluestem
- Bothriochloa ischaemum
- forage quality
- Library Collection RecordWildlife water developments have been constructed and maintained throughout the arid western United States to benefit big game and upland gamebird populations. There is debate, however, over possible…Publication Date 2000-05-01
- drinkers
- birds of prey
- water resources
- game birds
- coyotes
- predator-prey relationships
- wildlife management
- Arizona
- carnivores
- desert ecology
- raptors
- predator-prey relationships
- ungulates
- wildlife management
- Library Collection RecordWe surveyed the effectiveness of livestock guard dogs for reduc-ing predation on domestic sheep in Colorado during 1993. The number of producers using dogs increased from about 25 in 1986 to >159…Publication Date 2000-05-01
- Puma concolor
- livestock numbers
- coyotes
- lambs
- ewes
- predation
- guard dogs
- sheep dogs
- mortality
- Ursus americanus
- pastures
- rangelands
- Colorado
- Akbash
- black bears
- Canis latrans
- coyote
- dog
- Felis concolor
- Great Pyrenees
- Komondor
- mountain lion
- sheep
- Ursus americanus
- Library Collection RecordAccurate measures of the relative resource impacts from elk (Cervus elaphus) and cattle (Bos taurus and B. indicus) improve land management planning wherever these species cohabitate. Comparisons of…Publication Date 2000-05-01
- fences
- area
- mixed grazing
- experimental design
- Cervus elaphus
- pastures
- animal behavior
- grazing intensity
- cattle
- wildlife management
- range management
- Montana
- Cervus elaphus
- exclosure site
- livestock-wildlife relations
- wild ungulates
- Library Collection RecordThis paper reports on the results of a 3-year field study of the effects of spring/summer burning and cattle grazing on wintering sparrows in the grasslands of southeastern Arizona. The effects of…Publication Date 2000-07-01
- ammodramus bairdii
- ammodramus savannarum ammolegus
- aimophila cassinnii
- passerculus sandwichensis
- wild birds
- pooecetes gramineus
- prescribed burning
- grazing intensity
- wildlife management
- grazing
- Arizona
- beef cattle
- birds
- conservation
- bird-banding
- Library Collection RecordFlorida native range is grazed in winter and cows are moved to bahiagrass (Paspalum notatum Flugge) pasture in March for breeding and calf rearing. Winter weight loss of cows is a major problem, and…Publication Date 2000-07-01
- weaning
- pregnancy rate
- breeding season
- weaning weight
- sown grasslands
- weight losses
- Paspalum notatum
- liveweight gain
- calves
- body weight
- rain
- Florida
- pastures
- spring
- beef cows
- summer
- grazing
- native forage
- cattle
- reproduction
- weight change
- management
- Library Collection RecordRobust needlegrass (Achnatherum robustum [Vasey] Barkw. = Stipa robusta [Vasey] Scribn.) is a high-biomass rangeland species that is adapted to warmer temperatures and matures later than most cool-…Publication Date 2000-07-01
- New Mexico
- Arizona
- Colorado
- beef cattle
- forage
- Stipa
- dry matter
- feed intake
- feeding preferences
- plant height
- zero grazing
- Elytrigia elongata
- Acremonium
- endophytes
- Leymus chinensis
- ergot alkaloids
- ergometrine
- fungi
- roadside plants
- green fodders
- lysergic acid amide
- Stipa robusta
- Achnatherum robustum
- Acremonium
- ergonovine
- lysergic acid amide
- narcosis
- Neotyphodium
- sleepygrass
- Stipa robusta
- Library Collection RecordForage use data can help rangeland and wildlife managers make informed decisions. However, managers need to know if forage use techniques that are commonly used to estimate ungulate herbivory under…Publication Date 2000-09-01
- experimental plots
- height-weight curve methods
- paired-plot method
- growth curve
- regression analysis
- equations
- Cervus elaphus
- selective grazing
- Pascopyrum smithii
- biomass
- range management
- beef cattle
- forage
- plant height
- Arizona
- height-weight
- herbivory
- paired-plot
- stubble height
- Library Collection RecordFrequent and intense defoliation of grasses has been associated with the evolution of "grazing morphotypes" that exhibit a variety of vegetative traits correlated with improved grazing…Publication Date 2000-09-01
- apomixis
- selection pressure
- Bouteloua curtipendula
- inflorescences
- plant morphology
- seed productivity
- genetic effects
- grazing
- Arizona
- Bouteloua
- defoliation tolerance
- evolution
- grazing resistance
- Library Collection RecordTwo grazing trials were conducted during early winter (December 1996-January 1997) and spring (April-May 1997) to evaluate the effect of shape of pasture on forage use and behavior of grazing sheep (…Publication Date 2001-03-01
- Italy
- chemical composition
- pastures
- winter
- animal behavior
- spring
- feeding behavior
- voluntary intake
- Mediterranean climate
- selective grazing
- use efficiency
- sward destruction
- shape
- protein intake
- energy intake
- grazing intensity
- sheep
- biomass
- forage
- dry matter
- diet choice
- space pattern
- grazing management
- Library Collection RecordActivity budgets and foraging behavior of yearling bison (Bison bison L.) on pasture were studied during quarterly trials between June 1994 and December 1995. Daily activity patterns were polyphasic…Publication Date 2001-05-01
- physical activity
- bison
- digestible energy
- British Columbia
- diurnal variation
- foraging
- dietary fiber
- lignin
- duration
- length
- pastures
- animal behavior
- feeding behavior
- crude protein
- seasonal variation
- feeding preferences
- nutritional ecology
- forage intake
- annual grazing
- forage selection
- Library Collection RecordIn recent times, pinyon (Pinus spp.)-juniper (Juniperus spp.) woodlands have expanded into large portions of the Southwest historically occupied by grassland vegetation. From 1997-1998, we studied…Publication Date 2001-05-01
- wild birds
- pinyon-juniper
- frequency
- grasslands
- species diversity
- ecological succession
- woodlands
- establishment
- botanical composition
- Pinus
- Juniperus
- Arizona
- Juniperus monosperma
- grasslands
- pinyon-juniper
- Arizona
- southwestern U.S.
- avian communities
- succession
- Library Collection RecordThe cover of native and non-native introduced plants was compared between seeded (reclaimed) ski runs and adjacent or nearby unseeded (control) areas at a managed ski area in northern Arizona to…Publication Date 2001-05-01
- sowing
- disturbed soils
- skiing
- topsoil
- soil degradation
- ground cover
- grasslands
- reclamation
- species diversity
- introduced species
- botanical composition
- Arizona
- disturbance
- reclamation
- ski runs
- non-native species
- richness
- Library Collection RecordA classification of dietary structural types that represents different arrangements of forage classes is proposed. It may be especially useful for interpreting and comparing herbivore diets from…Publication Date 2001-07-01
- Lama guanicoe
- feces composition
- pastures
- selective grazing
- species differences
- vegetation
- feeds
- digestibility
- sheep
- goats
- cattle
- seasonal variation
- Argentina
- botanical composition
- forage
- diet botanical composition
- conceptualization
- forage classes
- microhistological analysis
- multivariate analysis
- similarity of diets
- Library Collection RecordStrategic supplement placement has been shown to be an effective tool to lure cattle to underutilized rangeland. The goal of this study was to determine where cattle grazed when supplement was placed…Publication Date 2001-07-01
- molasses
- global positioning systems
- sloping land
- spatial variation
- water availability
- pastures
- feed supplements
- spatial distribution
- cattle
- Montana
- rangelands
- grazing
- grasses
- distribution
- grazing
- behavior
- utilization
- Library Collection RecordNative pasture and Old World bluestems (Bothriochloa spp.) have contrasting herbage production characteristics that suggest potential for incorporation into a complementary forage system. We compared…Publication Date 2001-07-01
- growth periods
- costs and returns
- economic analysis
- liveweight gain
- stocking rate
- pastures
- profitability
- Oklahoma
- biomass production
- botanical composition
- grazing
- beef cattle
- forage
- mixed prairie
- complementary forages
- old world bluestem
- Bothriochloa
- livestock performance
- Library Collection RecordPopulations of an introduced woody weed, prickly acacia (Acacia nilotica (L.) Delile ssp. indica (Benth.) Brenan syn. Acacia arabica (Lam.) Willd. ssp. indica Benth.), were surveyed at 4 sites in…Publication Date 2001-07-01
- regeneration
- Weeds
- quarantine
- Queensland
- seed dispersal
- highlands
- rain
- seedlings
- pastures
- selective grazing
- woody plants
- rotational grazing
- sheep
- plant density
- introduced species
- browsing
- grazing
- plant height
- Life-stage profiles
- rainfall
- population dynamics
- regeneration
- cattle
- woody weeds
- Library Collection RecordStructural anti-quality characteristics are physical plant traits that reduce the performance and productivity of herbivores and quality of their agricultural products. Most structural anti-quality…Publication Date 2001-07-01
- shear strength
- animal injuries
- wool
- performance
- tensile strength
- foraging
- habitats
- plant morphology
- duration
- plant anatomy
- pastures
- digestibility
- sustainability
- botanical composition
- quality
- pasture plants
- literature reviews
- grazing
- feed intake
- bite size
- chewing
- canopy structure
- intake rate
- physical plant defenses
- spines
- Library Collection RecordThe greatest anti-quality associated with eastern temperature pasture grasses is the result of ergot alkaloids found in endophyte-infected (Neotyphodium ceonophialum) tall fescue (Festuca arundinacea…Publication Date 2001-07-01
- body temperature
- necrosis
- Claviceps
- Claviceps purpurea
- mutualism
- Phalaris arundinacea
- lactation
- Neotyphodium coenophialum
- sexual reproduction
- Festuca arundinacea
- Lolium perenne
- alkaloids
- Lolium multiflorum
- persistence
- seeds
- pastures
- growth rate
- literature reviews
- ergot alkaloids
- tall fescue
- ergotism
- perennial ryegrass
- reed canarygrass
- annual ryegrass
- Library Collection RecordRuminants are a diverse group of mammals, both domestic and wild species, that exhibit microbial fermentation prior to gastrointestinal activity. During the digestive process, glycosides and other…Publication Date 2001-07-01
- metabolites
- metabolism
- clinical aspects
- substrates
- symptoms
- glycosides
- chemical structure
- treatments
- nutrient availability
- phytotoxins
- pastures
- ruminants
- rumen fermentation
- range management
- rangelands
- pasture plants
- literature reviews
- forage
- poisonous plants
- ruminants
- cattle
- rumen microbes
- Library Collection RecordPrey selection by mountain lions (Puma concolor) in the Aravaipa-Klondyke area in southeastern Arizona was studied from February 1991 to September 1993. Overall diet as determined from frequency of…Publication Date 1999-05-01
- Puma concolor
- prey
- tayassu tajacu
- montane forests
- predator-prey relationships
- predation
- predator control
- semiarid grasslands
- population density
- calves
- diet
- Odocoileus
- seasonal variation
- Arizona
- Library Collection RecordThe effects of grazing, fertilizing, and seeding on persistence of herbaceous species was monitored by point quadrat about every second year from 1975 to 1989 in a low-fertility pasture in the aspen…Publication Date 1999-01-01
- change
- Medicago sativa
- Bromus inermis
- Festuca rubra
- grassland improvement
- sown grasslands
- ground cover
- Poa pratensis
- continuous grazing
- Saskatchewan
- rain
- pastures
- vegetation
- forbs
- rotational grazing
- botanical composition
- Library Collection RecordAn understanding of overstory-understory relationships in southwestern oak woodlands is important for predicting response of these systems to disturbance or manipulation. The objective of this study…Publication Date 1998-11-01
- Quercus emoryi
- Magnoliopsida
- C4 grasses
- C3 grasses
- understory
- woodland grasslands
- rain
- Poaceae
- biomass
- canopy
- grasses
- Arizona
- Library Collection RecordIn continuous grazing systems the amount of herbage and its quality is a matter of primary concern. However, at moderate stocking, cattle grazing usually leads to the generation of patches differing…Publication Date 1998-11-01
- areas
- patches
- density
- Festuca arundinacea
- continuous grazing
- stocking rate
- pastures
- cattle
- nitrogen content
- biomass
- Argentina
- grazing
- feeding preferences
- plant height
- Library Collection RecordWe identified land uses, vegetation cover types, and landscape patterns associated with avian community diversity in 2 rural landscapes in a hardwood forest-tallgrass prairie ecotone that differ with…Publication Date 1999-09-01
- rural population
- suburban areas
- roads
- arable land
- patch size
- population change
- breeding places
- deciduous forests
- wild birds
- shrublands
- landscapes
- habitat selection
- ground cover
- land use
- population density
- ecotones
- grasslands
- brush control
- species diversity
- pastures
- Oklahoma
- wildlife management
- prairies
- Library Collection RecordLivestock-guarding dogs are an effective way of protecting rangeland sheep from predators. However, open mountain/forest range and widely ranging sheep are factors that may make adaptation to…Publication Date 1999-07-01
- nocturnal activity
- social integration
- extensive livestock farming
- predation
- training (animals)
- cost-benefit analysis
- Norway
- sheep dogs
- dog breeds
- Great Pyrenees
- Ursus arctos
- pastures
- sheep
- Library Collection RecordBurning of vegetation generally increases surface runoff and erosion and potentially can change the nutrient dynamics of an ecosystem with loss of nutrients. Nitrogen, phosphorus, and potassium…Publication Date 1999-11-01
- nitrogen
- runoff
- prescribed burning
- sandy loam soils
- potassium
- rainfall simulators
- gravelly soils
- phosphorus
- biomass
- losses from soil
- range management
- plant litter
- Arizona
- Library Collection RecordPocket gophers are important disturbance agents in rangelands, yet little is known about how plant responses to gopher disturbances vary with grazing and topography. We measured the spatial…Publication Date 1999-11-01
- Opuntia polyacantha
- Thomomys talpoides
- ground cover
- species diversity
- rain
- pastures
- grazing intensity
- botanical composition
- Library Collection RecordBecause of its high palatability and sustained levels of forage quality, antelope bitterbrush (Purshia tridentata Pursh DC) is one of the most desired shrubs on western U.S. rangelands. Bitterbrush…Publication Date 1999-03-01
- Purshia tridentata
- fire ecology
- mortality
- rain
- pastures
- selective grazing
- grazing intensity
- in vitro digestibility
- range management
- phenology
- seasonal variation
- botanical composition
- grazing
- grasses
- beef cattle
- plant height
- maturity stage
- Library Collection RecordWe studied the diets of desert mule deer (Odocoileus hemionus crooki Mearns) at 3 sites in Arizona and collated this information with that of previous diet studies of desert mule deer across their…Publication Date 1997-09-01
- odocoileus hemionus crooki
- xerophytes
- browse plants
- diet
- Odocoileus hemionus
- seasonal variation
- botanical composition
- Arizona
- Library Collection RecordGrazing system and stocking rate effects on standing crop of species and relative species composition of tallgrass prairies in north-central Oklahoma were evaluated from 1989 to 1993. Twelve…Publication Date 1998-03-01
- continuous grazing
- rain
- stocking rate
- pastures
- forbs
- rotational grazing
- Oklahoma
- prairies
- biomass
- botanical composition
- grasses
- Library Collection RecordSome have argued that federal grazing preferences or permits are a form of private property and should be recognized as such by the federal government. This viewpoint studies the grazing controversy…Publication Date 1997-07-01
- legal rights
- public domain
- pastures
- United States
- grazing
- Library Collection RecordSeasonal wildlife observations were made along transects on 2 pastures in late seral and 2 pastures in mid seral condition in southcentral New Mexico in non-drought and drought years (1993, 1994).…Publication Date 1997-11-01
- seral stages
- wild birds
- arid zones
- wildlife
- climax communities
- grasslands
- rain
- pastures
- shrubs
- drought
- botanical composition
- New Mexico
- Library Collection RecordThe perceived economic damage to forage crops in Montana attributed to native ungulates during 1992 was estimated using a mail survey of 2,200 randomly selected farms and ranches. The 1,120…Publication Date 1996-07-01
- farm surveys
- crop damage
- crop losses
- vertebrate pests
- compensation
- hay fields
- haystacks
- fields
- farm size
- Odocoileus virginianus
- pastures
- Antilocapra americana
- hay
- Odocoileus hemionus
- Cervus elaphus canadensis
- Montana
- Library Collection RecordAbility to compete with alien weeds may be one factor enabling high-seral, native bunchgrasses to persist on degraded rangelands. This study examined the effect of competition from cheatgrass (Bromus…Publication Date 1995-09-01
- strain differences
- selection responses
- ecotypes
- Festuca idahoensis
- shoots
- Bromus tectorum
- pastures
- weight
- Oregon
- tillers
- biomass production
- plant competition
- rangelands
- plant height
- Library Collection RecordThe objectives of this study were to identify a Site Conservation Threshold, the point at which accelerated erosion occurs, and to examine the usefulness of the Water Erosion Prediction Project (WEPP…Publication Date 1996-05-01
- water erosion
- rill erosion
- ground cover
- semiarid grasslands
- highlands
- mathematical models
- loam soils
- clay soils
- range condition
- rain
- biomass
- sediment yield
- range management
- plant litter
- Arizona
- Library Collection RecordThirty-six weanling steer calves (avg wt = 174 +/- 14 kg) were grazed on either wheat, irrigated improved, or native rangeland pastures from December 1989 to December 1990. Irrigated improved…Publication Date 1995-11-01
- Triticum aestivum
- Festuca arundinacea
- irrigated pastures
- Cynodon dactylon
- grassland improvement
- liveweight gain
- Bothriochloa ischaemum
- yields
- chemical composition
- pastures
- diet
- steers
- digestibility
- New Mexico
- forage
- dry matter
- feed intake
- Elytrigia elongata
- Library Collection RecordFecal microhistology and chemistry were used to evaluate botanical composition and quality of diets selected by Brangus cattle grazing Chihuahuan desert range in 3 seasons; fall: October, 1991;…Publication Date 1995-11-01
- phenotypic correlation
- sires
- free range husbandry
- genetic variance
- autumn
- heritability
- feces composition
- Brangus
- pastures
- spring
- summer
- biomass
- botanical composition
- grazing
- New Mexico
- beef cattle
- feeding preferences
- Library Collection RecordEighty 2-year-old spring calving primiparous cows were assigned to 2 weaning and 2 grazing treatments (20 cows/treatment) from 7 September to 7 November in 1991, 1992, and 1993. Grazing treatments…Publication Date 1997-01-01
- subsurface irrigation
- dry periods
- lactation
- weaning
- lactation number
- irrigated pastures
- body condition
- liveweight gain
- calves
- body weight
- fiber content
- pastures
- Nebraska
- beef cows
- crude protein
- in vitro digestibility
- grazing
- forage
- feed intake
- Library Collection RecordInformation is lacking on the influence of range condition on wildlife populations in the Chihuahuan Desert. Wildlife observations were made along transects on ranges in excellent and good ecological…Publication Date 1996-11-01
- arid grasslands
- wildlife
- species diversity
- range condition
- stocking rate
- pastures
- botanical composition
- grazing
- New Mexico
- Library Collection RecordFecal output of range cows was determined during 2 periods of summer (period I) and late summer (period II) grazing using a constant release intraruminal Cr2O3 bolus. Chromic oxide contamination was…Publication Date 1995-05-01
- chromic oxide
- controlled release
- contamination
- experimental bias
- errors
- feces composition
- pastures
- beef cows
- grazing
- forage
- Library Collection RecordA 4-year study was conducted on Kansas Flint Hills bluestem range to monitor animal gain, grass, and forb standing biomass following grazing, plant population dynamics, and in 2 years, subsequent…Publication Date 1995-05-01
- feed conversion
- dressing percentage
- carcass weight
- sorghum
- Sorghastrum nutans
- warm-season grasses
- Schizachyrium scoparium
- Poa pratensis
- Kansas
- liveweight gain
- grazing experiments
- pastures
- Andropogon gerardii
- steers
- feed supplements
- biomass
- botanical composition
- grasses
- beef cattle
- Library Collection RecordDynamic programming was used to obtain optimal management and marketing policies for stocker operations in Southeastern Colorado under different stocking rates, rainfall, and price scenarios.…Publication Date 1995-01-01
- dynamic programming
- risk
- marginal returns
- market prices
- rain
- stocking rate
- pastures
- range management
- Library Collection RecordLehmann lovegrass (Eragrostis lehmanniana Nees), an introduced warm season grass, has invaded grasslands in southern Arizona, in many areas replacing the native warm-season grasses. A water balance…Publication Date 1994-09-01
- water binding capacity
- water content
- water balance
- evapotranspiration
- rain
- biomass
- Eragrostis lehmanniana
- introduced species
- Arizona
- soil water
- Library Collection RecordInformation is presented on the suitability of various drills for direct seeding into permanent pastures and rangelands in Saskatchewan. Strips of sod 30 to 100-cm wide were killed during the growing…Publication Date 1992-09-01
- comparison
- seed drills
- direct seeding
- crop establishment
- permanent grasslands
- Medicago sativa
- seedling emergence
- Saskatchewan
- pastures
- soil water content
- seed germination
- range management
- Library Collection RecordFew perennial legumes have been successfully introduced into western North American rangelands receiving less than 250 mm annual precipitation. Winter annual legumes in the genus Medicago (medics)…Publication Date 1993-01-01
- Medicago littoralis
- hard seeds
- medicago laciniata
- winter annuals
- Medicago polymorpha
- Medicago truncatula
- annuals
- seed banks
- arid zones
- persistence
- genotype
- drought tolerance
- stand establishment
- sowing rates
- precipitation
- semiarid zones
- rangelands
- Arizona
- Library Collection RecordOver the past century woody plants have increased in abundance on sites formerly occupied by grasslands in the Sonoran Desert. Woody plant invasion has been associated with a multitude of biological…Publication Date 1993-01-01
- desert rodents
- shrub invasion
- edaphic factors
- Acacia
- woody weeds
- sowing depth
- deserts
- weed biology
- Prosopis velutina
- seed dispersal
- grasslands
- seedling emergence
- invasion
- fires
- fire effects
- air temperature
- woody plants
- environmental factors
- sheep
- cattle
- seed germination
- establishment
- Arizona
- soil texture
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