Agriculture Reference
In-Depth Information
Popay, I., & Field, R.(1996).Grazing animals as weed control agents.
Weed Technology
,10,
217-31.
Preest, D., & Cranswick,A.(1978).Burn-timing and bracken vigor.
New Zealand Weed and Pest
Control Conference Proceedings
, 31, 69-73.
Richards, J.(1984).Root growth response to defoliation in two
Agropyron
bunchgrasses:
field observations with an improved root periscope.
Oecologia
,64, 21-5.
Rika, I., Nitis, I., & Humphreys, L.(1981).Effects of stocking rate on cattle growth, pasture
production and coconut yield in Bali.
Tropical Grasslands
,15, 149-57.
Roe, R.(1987).Recruitment of
Astrebla
spp.in the Warrego region of southwestern
Queensland.
Tropical Grasslands
, 21, 61-2.
Rolston, M., Lambert, M., & Clark, D.(1982).Weed control options in hill country.
New
Zealand Grassland Association Proceedings
,43, 196-203.
Rolston, M., Lambert, M., Clark, D., & Devantier, B.(1981).Control of rushes and thistles in
pastures by goat and sheep grazing.
New Zealand Weed and Pest Control Conference
Proceedings
,34, 117-21.
Saliki, D., & Norton, B.(1987).Survival of perennial grass seedlings under intensive
grazing in semi-arid rangelands.
Journal of Applied Ecology
,24, 145-51.
Santhirasegarum, K.(1966).The effects of pastures on yield of coconut.
Journal of Agriculture
(Trinidad-Tobago)
, 66, 183-93.
Savory,A.(1988).
Holistic Resource Management
.Washington, DC: Island Press.
Scifres,A.(1991).Selective grazing as a weed control method. In
CRC Handbook of Pest
Management in Agriculture
, ed.D. Pimentel, pp.369-75.Boca Raton, FL: CRC
Press.
Serrao, E., & Toledo, J.(1990).The search for sustainability in Amazonian Pastures.In
Alternatives to Deforestation
, ed.A.Anderson, pp.195-214.New York: Columbia
University Press.
Sharrow, S., & Leininger,W.(1983).Sheep as a silvicultural tool in coastal Douglas fir forest.
In
Foothills for Food and Forest
, ed.D.Hannaway, pp.219-31. Corvallis, OR: Oregon
State University Press.
Sharrow, S., Ueckert, D., & Johnson,A.(1988).Ecology and toxicology of
Senecio
species
with special reference to
Senecio jacobaea
and
Senecio longilobus
.In
The Ecology and
Economic Impact of Poisonous Plants on Livestock Production
, ed.L.James, M.Ralphs &
D.Nielsen, pp.181-96.Boulder, CO: Westview Press.
Sheath, G., & Clark, D.(1996).Management of grazing systems: temperate pastures. In
The
Ecology and Management of Grazing Systems
, ed.J.Hodgson & A.Illius, pp.301-24.
Wallingford, UK: CAB International.
Sheley, R., Kedzie-Webb, S., & Maxwell, B.(1999).Integrated weed management on
rangeland.In
Biology and Management of Noxious Rangeland Weeds
, ed.R.Sheley & J.
Petroff, pp.57-68.Corvallis, OR: Oregon State University Press.
Sheley, R., Svejcar,T., & Maxwell, B.(1996).Atheoretical framework for developing
successional weed management strategies on rangeland.
Weed Technology
,10,
766-73.
Shelton, H., Humphreys, L., & Batello, C.(1987).Pastures in the plantations of Asia and the
Pacific: performance and prospect.
Tropical Grasslands
,21, 159-68.
Smetham, M.(1990).Pasture management.In
Pastures: Their Ecology and Management
, ed.R.
Langer, pp. 197-240.Auckland, New Zealand: Oxford University Press.
Smith, M., & Whiteman, P. (1985).Animal production from rotationally-grazed natural
Search WWH ::
Custom Search