总镁XMg | 227.407 − 59.807 X4 | 3.8023 g |
肥料硫X5 | 248.582 − 203.76 X5 + 48.4577 X52 | 2.3443 g |
总硫XS | 221.654 − 71.852 X6 | 3.0849 g |
肥料铁X7 | 173.194 − 71.455X7 | 2.4211 g |
总铁XFe | 433.721 − 305.29 X8 + 75.8394 X82 − 4.9379 X83 | 9.7297 − 0.5297 g |