共 15 条
[11]
Jackson ML, 1958, SOIL CHEMICAL ANALYS
[12]
OKRUSZKO HENRYK, 1962, SOIL SCI SOC AMER PROC, V26, P71
[13]
OZANNE PG, 1968, 9 T INT C SOIL SCI, V2, P273
[14]
AN ACID-FREE VANADATE-MOLYBDATE REAGENT FOR DETERMINATION OF TOTAL PHOSPHORUS IN SOILS
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1968, 32 (01)
:48-&
[15]
Van DIEST A., 1959, SOIL SCI, V87, P145, DOI 10.1097/00010694-195903000-00005