共 15 条
[11]
PETERS R, 1920, KANSAS U SCI, V13, P23
[12]
Robertson DW, 1939, J AGRIC RES, V59, P0281
[13]
SCHOFIELD RK, 1935, 3 T INT C SOIL SCI, V2, P37
[15]
WEATHERLEY P. E., 1951, New Phytologist, V50, P36, DOI 10.1111/j.1469-8137.1951.tb05168.x