共 11 条
[2]
Dickson JG, 1923, J AGRIC RES, V23, P0837
[3]
DORBRENZ AK, 1967, CROPS SOILS, V19, P18
[5]
LOCKE LF, 1924, J AM SOC AGRON, V16, P261
[6]
McKinney HH, 1923, J AGRIC RES, V26, P0195
[7]
SALIM MUHAMMAD H., 1965, AGRON J, V57, P603
[8]
STICKLER F. C., 1962, AGRON JOUR, V54, P492
[9]
Taylor JW, 1936, J AGRIC RES, V52, P0557
[10]
WEAVER JE, 1926, ROOT DEVELOPMENT FIE