共 18 条
- [1] BAUER A, 1966, 461 ND AGR EXP STN B
- [2] CAMPBELL R. E., 1965, SOIL SCI SOC AMER PROC, V29, P67
- [3] LARSEN S., 1967, Advances in Agronomy, V19, P151, DOI 10.1016/S0065-2113(08)60735-X
- [4] LEAMER ROSS W., 1963, SOIL SCI SOC AMER PROC, V27, P65
- [5] MANNERING JV, 1959, 41 U ID AGR EXP STN
- [6] SUPERPHOSPHATE ON WHEAT - CUMULATIVE EFFECT OF REPEATED APPLICATIONS ON YIELD RESPONSE [J]. AUSTRALIAN JOURNAL OF AGRICULTURAL RESEARCH, 1968, 19 (01): : 1 - &
- [7] MOSCHLER WS, 1957, SOIL SCI SOC AM P, V21, P293
- [9] OLSEN SR, 1954, USDA939 CIRC