共 25 条
[1]
BROCKINGTON N. R., 1970, Annual Report Grasslands Research Institute, Hurley, 1969, P140
[2]
CARTER J. N., 1960, SOIL SCI, V90, P173, DOI 10.1097/00010694-196009000-00004
[3]
COOKE GW, 1970, WATER TREATMENT EXAM, V19, P253
[6]
HEBERT J, 1966, 1 P GEN M EUR GRASSL, P69
[7]
HENDRICK J, 1938, T HIGHLAND AGRIC SOC, V50, P184
[8]
KOLENBRANDER G J, 1969, Netherlands Journal of Agricultural Science, V17, P246