Vangronsveld J, Assche F V, Clijsters H. Reclamation of a bare industrial area contaminated by non-ferrous metals: In situ metal immobilization and revegetation. Environmental Pollution, 1995, 87(1): 51-59.
[3]
Peng L. Response of alfalfa yield to N, P, K in the Loess Plateau. Journal of Soil & Water Conservation, 1995, 19: 26-34.
Bradshaw A D, Chadwick M J. The Restoration of Land. Berkeley Los Angeles: University of California Press, 1980.
[8]
Arienzo M, Adamo P, Cozzolino V. The potential of Lolium perenne for revegetation of contaminated soils from a metallurgical site. Science of the Total Environment, 2004, 319(1-3): 13-25.
Schumacher T E, Papiernik S K, Lobb D A, et al. Soil properties and productivity as affected by topsoil movement with in an eroded landform. Soil and Tillage Research, 2009, 102(1): 67-77.
Hu S L, Jia Z K, Wan S M. Soil moisture consumption and ecological effects in alfalfa grasslands in Longdong area of Loess Plateau. Transaction of the CSAE, 2009, 25(8): 48-53.