共 13 条
[1]
BURLESON CA, 1957, 1922 TEX AGR EXP STA
[2]
Hottes CF, 1929, PLANT PHYSIOL, V4, P1
[3]
JOHANSEN DA, 1940, PLANT MICROTECHNIQUE, P50
[4]
Johansen DA., 1940, PLANT MICROTECHNIQUE, P126
[5]
JOHANSEN DA, 1940, PLANT MICROTECHNIQUE, P76
[6]
LOTSPEICH FB, 1959, SOUTHWESTERN CROP ST, V13, P12
[7]
LUTZ JF, 1952, AGRONOMY, V2, P43
[8]
MATHERS A. C., 1964, AGRON J, V56, P313
[9]
RANEY W. A., 1955, SOIL SCI SOC AMER PROC, V19, P423