共 6 条
[2]
Hill, 1945, P SOIL SCI SOC AM, V9, P24, DOI [10.2136/sssaj1945.036159950009000C0004x, DOI 10.2136/SSSAJ1945.036159950009000C0004X]
[3]
JOHNSTON EJ, 1952, CSIRO5 AUST DIV SOIL
[4]
A METHOD FOR DETERMINATION OF APPARENT DENSITY OF SOIL AGGREGATES
[J].
AUSTRALIAN JOURNAL OF AGRICULTURAL RESEARCH,
1954, 5 (02)
:291-296
[6]
SHIPP R. F., 1965, SOIL SCI, V99, P392, DOI 10.1097/00010694-196506000-00007