تأثیر چرای بلندمدت گاو در خصوصیات مورفولوژیک ریشة گونة Brachiaria decumbens و چگونگی توزیع آن در خاک (مطالعة موردی: چراگاه استوایی در کشور مالزی)

[1] Arredondo, J.T. and Johnson, D.A. (1998). Clipping effects on root architecture and morphology of three range grasses. Journal of Range Management, 51, 207-214.

[2] Arredondo, J.T. and Johnson, D.A. (1999). Root architecture and biomass allocation of three range grasses in response to non-uniform supply of nutrients and shoot defoliation. New Phytologist, 143, 373-385.

[3] Arredondo, J.T. and Johnson, D.A. (2009). Root responses to short-lived pulses of soil nutrients and shoot defoliation in seedlings of three rangeland grasses. Rangeland Ecology and Management, 62, 470-479.

[4] Beyrouty, C.A., West, C.P. and Gbur, E.E. (1990). Root development of bermudagrass and tall fescue as affected by cutting interval and growth regulators. Plant and Soil, 127, 23-30.

[5] Bilotta, G.S., Brazier, R.E. and Haygarth, P.M. (2007). The impacts of grazing animals on the quality of soils, vegetation, and surface waters in intensively managed grasslands. Advances in Agronomy, 94, 237-280.

[6] Chen, Y., Lee, P., Lee, G., Mariko, S. and Oikawa, T. (2006). Simulating root responses to grazing of a Mongolian grassland ecosystem. Plant Ecology, 183, 265-275.

[7] Dawson, L.A., Grayston, S.J. and Paterson, E. (2000). Effects of grazing on the roots and rhizosphere of grasses. 61-84. In: Grassland Ecophysiology and Grazing Ecology, CABI Publishing, New York.

[8] Delgado, G.H.J., Aviless, L.R. and Vera, J.K. (2004). Root density in Panicum maximum cv. Tanzania monoculture and in a mixture with Leucaena leucocephala with different densities in Mexico. 20th International Grassland Congress, Dublin, Ireland, p.129.

[9] Derner, J.D. and Briske, D.D. (1999). Does a tradeoff exist between morphological and physiological root plasticity? A comparison of grass growth forms. Acta Oecology, 20, 519-526.

[10] Deutsch, E.S., Bork, E.W. and Willms, W.D. (2010). Soil moisture and plant growth responses to litter and defoliation impacts in parkland grasslands. Agriculture, Ecosystem and Environment, 135, 1-9.

[11] Engel, R.K., Nichols, J.T., Dodd J.L. and Brummer, J.E. (1998). Root and shoot responses of sand bluestem to defoliation. Journal of Range Management, 51, 42-46.

[12] Greenwood, K.L. and Hutchinson, K.J. (1998). Root characteristics of temperate pasture in New South Wales after grazing at three stocking rates for 30 years. Grass and Forage Science, 53, 120-128.

[13] Hendrickson, J. and Olson, B. (2006). Understanding plant response to grazing. 32-39. In: Launchbaugh, K. (ed.), Targeted grazing: A natural approach to vegetation management and landscape enhancement. American Sheep Industry Association, Denver, Colorado.

[14] Lodge, G.M. and Murphy, S.R. (2006). Root depth of native and sown perennial grass-based pastures, North-West Slopes, New South Wales. 1. Estimates from cores and effects of grazing treatments. Australian Journal of Experimental Agriculture, 45, 337-345.

[15] Milchunas, D.G. and Lauenroth, W.K. (1993). Quantitative effects of grazing on vegetation and soils over a global range of environments. Ecololgy Monograph, 63, 327-366.

[16] Miles, J.W., Maass, M.L. and Do Valle, C.B. (1996). Brachiaria: Biology, Agronomy, and improvement. CIAT publication. No. 259, Colombia.

[17] Mousel, E.M., Schacht, W.H., Zanner, C.W. and Moser, L.E. (2005). Effects of summer grazing strategies on organic reserves and root characteristics of big bluestem. Crop Science, 45, 2008-2014.

[18] Oliveira, M.R.G., Van Noordwijk, M. and Gaze, S.R. (2000). Auger sampling, ingrowth cores and pinboard methods. In Smit, A.L. et al. (ed.) Root methods. Springer-Verlag, Berlin.

[19] Piccolo, M.C. and Augusti, K.C. (2004). Root systems in tropical pasture restoration treatments inRondonia, Brazil. 20th International Grassland Congress, Dublin, Ireland, p. 187.

[20] Richards, J.H. (1984). Root growth response to defoliation in two Agropyron bunchgrasses: Field observations with an improved periscope. Oecologia, 64, 21-25.

[21] Van der Maarel, E. and Titlyanova, A. (1989). Above-ground and below-ground biomass relations in steppes under different grazing intensities. Oikos: Journal of Ecology, 56, 364-370.