共 18 条
- [2] ANDERSON OE, 1982, SO COOP SERIES B
- [3] BLAKEMORE F., 1937, Veterinary Record, V49, P415
- [6] GAMMON N, 1979, SOIL CROP SCI SOC FL, V38, P64
- [9] MN CONCENTRATION IN SOYBEAN LEAF RELATED TO BEAN YIELDS [J]. AGRONOMY JOURNAL, 1977, 69 (04) : 597 - 600