共 7 条
[2]
HADLEY HENRY H., 1964, CROP SCI, V4, P421, DOI 10.2135/cropsci1964.0011183X000400040027x
[3]
MORSE WJ, 1937, USDA YB, P1154
[5]
PROBST AH, 1951, AGRON J, V42, P35
[6]
STEWART RT, 1926, J AM SOC AGRON, V18, P997
[7]
WOODWORTH PM, 1933, J AM SOC AGRON, V25, P36