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EZELL BD, 1948, FOOD RES, V13, P203
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Harter LL, 1926, J AGRIC RES, V32, P1153
[7]
KIMBROUGH WD, 1946, P AM SOC HORTIC SCI, V47, P400
[8]
MACLEOD FL, 1940, 52ND TENN AGR EXP ST, P50
[9]
MACLEOD FL, 1939, 51ST TENN AGR EXP ST, P64