共 23 条
[1]
BATHAM HN, 1925, SOIL SCI, V20, P338
[2]
CLARKE G, 1922, AGR J INDIA 5, V17, P463
[3]
CONN HJ, 1910, CENTBL BAKT 2, V28, P422
[4]
FRAPS GS, 1920, TEX AGR EXP STA B, V259
[5]
GOWDA RN, 1924, SOIL SCI, V17, P337
[6]
GREEN HH, 1914, CENTBL BAKT, V41, P577
[7]
HALL TD, 1922, SOIL SCI, V12, P301
[8]
JENSEN CA, 1910, USDA BUR PLANT IND B, V173
[9]
LEATHER JW, 1911, INDIA DEPT AGR MEM C, V2, P101
[10]
LEMMERMANN O, 1920, CENTBL BAKT, V50, P33