共 7 条
- [1] FITZGERALD JN, 1954, NZJ AGRIC, V89, P619
- [2] Fricke E. F., 1947, JOUR AUSTRALIAN INST AGRIC SCI, V13, P75
- [4] LOBB W. R., 1953, New Zealand Journal of Agriculture, V87, P3
- [6] NOONAN J. B., 1953, AGRIC GAZ N SOUTH WALES, V64, P422
- [7] STEPHENS CG, 1958, ADV AGRON, V10, P239