Agrell D, Oscarson P and Larsson C M. Translocation of N to and from barley roots: its dependence on local nitrate supply in split - root culture [J]. Physiologia plantarum, 1994, 90:467 - 474.
[2]
Wijesinghe D K and Hutchings M J. The effects of spatial scale of environmental heterogeneity on the growth of a clonal plant: an experimental study with Glechoma hederacea[J]. Journal of Ecology, 1997, 85:17 -28.
[3]
Hodge A, Stewart J, Robinson D, et al. Root proliferation, soil fauna and plant nitrogen capture from nutrient - rich patches in soil[J]. New phytologist, 1998, 139:479 - 494.
[4]
Zhang H M and Forde B G. An arabidopsis MADs box gene that controls nutrient - induced changes in root architecture[J]. Science, 1998, 279:407 - 409.
[5]
Bonkowski M, Griffiths B and Scrimgeour C. Substrate heterogeneity and microfauna in soil organic ‘hotspots\' as determinants of nitrogen capture and growth of ryegrass[J]. Applied Soil Ecology, 2000, 14:37 - 53.