共 33 条
[1]
ALLISON F. E., 1966, Advances in Agronomy, V18, P219, DOI 10.1016/S0065-2113(08)60651-3
[2]
BAEUMER K, 1970, ADV AGRON, V25, P77
[5]
COPE JT, 1981, 251 ALA AGR EXP STA
[6]
COWIE GA, 1918, J AGR SCI, V9, P113
[8]
EARLES EH, 1985, THESIS U KENTUCKY LE
[10]
HAGEMAN RH, 1980, AM SOC AGRON SPEC PU, V38, P47