共 7 条
[1]
BREMNER JM, 1957, REP ROTHAMSTED EXP S, P57
[3]
CHANGES IN THE SOIL OF A LONG-CONTINUED FIELD EXPERIMENT AT SAXMUNDHAM, SUFFOLK
[J].
JOURNAL OF SOIL SCIENCE,
1958, 9 (02)
:298-305
[4]
HOGG D. E., 1957, NEW ZEALAND JOUR SCI AND TECHNOL SER A, V38, P1015
[6]
SALOMON MILTON, 1957, SOIL SCI SOC AMER PROC, V21, P222
[7]
WIKLANDER L, 1949, ANN AGR COLL SWEDEN, V16, P670