共 6 条
- [1] THE LONG-TERM SOIL FERTILITY EXPERIMENTS IN SOUTHERN SWEDEN .2. STATISTICAL-ANALYSIS OF CROP DATA [J]. ACTA AGRICULTURAE SCANDINAVICA, 1988, 38 (02): : 145 - 152
- [2] EKSTROM G., 1950, Socker, V6, P53
- [3] JANSSON SL, 1975, J ROYAL SWEDISH AC S, V10, P60
- [4] JANSSON SL, 1986, J ROYAL SWEDISH AC S, V18, P9
- [5] JANSSON SL, 1978, J ROY SWEDISH ACAD, V117, P77
- [6] WIKLANDER L, 1966, ANN AGR COLL SWEDEN, V32, P439