共 25 条
[3]
CUENCA G, 1976, THESIS U CENTRAL VEN
[4]
GALES ME, 1974, SIMULTANEOUS AUTOMAT
[5]
Gauch HG, 1972, INORGANIC PLANT NUTR
[6]
GRIEVE BJ, 1970, OECOLOG PLANTAR, V5, P33
[8]
HERRERA R, 1977, T INT MAB IUFRO WORK, P182
[9]
JACKSON ML, 1964, ANAL QUIMICO SUELOS
[10]
KLINGE H, 1977, ACTA CIENT VENEZ, V28, P270