共 5 条
[1]
HUMPHREYS WJ, 1923, WEATHER PROVERBS PAR
[2]
KING FH, 1919, SOIL
[3]
PECK AJ, 1960, SOIL SCI
[4]
Smith R. M., 1942, SOIL SCI SOC AMER PROC, V7, P114
[5]
WEST ES, 1933, COUNCIL SCI IND RES, V74