共 16 条
[1]
DUNLAP WJ, 1973, EPA660273014 REP
[3]
EILAND F, 1985, THESIS ROYAL VET AGR
[4]
GREULICH RH, 1985, WATER SUPPLY, V3, P233
[5]
Lind A. M., 1976, Tidsskrift for Planteavl, V80, P100
[6]
LIND AM, 1976, DAN J PLANT SOIL SCI, V80, P82
[7]
LIND AM, 1985, DANISH J PLANT SOIL, V89, P331
[9]
PEDERSEN MB, 1976, DAN J PLANT SOIL SCI, V80, P73
[10]
PEDERSEN MB, 1976, DAN J PLANT SOIL SCI, V80, P107

