共 15 条
[1]
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[2]
COCHRAN WG, 1957, EXPERIMENTAL DESIGN
[5]
JOHNSON HW, 1963, SOYBEAN, P55
[6]
JONES DF, 1934, 361 CONN AGR EXP STA, P490
[7]
LEFFEL RC, 1961, 470 U MAR AGR EXP ST
[10]
NELSON CE, 1962, 639 WASH AGR EXP STA