共 20 条
[2]
BEACHER B. F., 1955, SOIL SCI, V80, P363, DOI 10.1097/00010694-195511000-00003
[3]
BREAZEALE JF, 1937, 69 AR AGR EXP STA TE
[6]
DUTT AK, 1948, AM SOC AGRON J, V40, P324
[7]
GHILDYAL BP, 1970, C REP INT RICE RES C
[8]
HARRISON WH, 1914, MEM DEP AGR INDIA CH, V4, P1
[9]
KAZUMA N, 1962, CROP SCI SOC JAPAN P, V30, P321