共 10 条
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BERNSTEIN L, 1960, USDA217 AGR INF B
[2]
BERNSTEIN LEON, 1957, SOIL SCI, V83, P249, DOI 10.1097/00010694-195704000-00001
[3]
DAVIS GN, 1944, C82 CAL AGR EXP STA
[4]
MCFARLANE NL, 1957, 464 CAL AGR EXP STA
[5]
MCGEORGE WT, 1936, 152 AR AGR EXP STA B
[6]
RICHARDS LA, 1954, USDA60 AGR HANDB
[9]
ROBINSON FE, 1965, AM SOC HORTIC SCI P, V87, P318
[10]
THOMPSON NC, 1938, 708 CORN AGR EXP STA