共 50 条
- [2] A rapid method for the determination of total potassium in soils JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY-US, 1909, 1 : 302 - 304
- [4] A RAPID METHOD OF ESTIMATION OF PHOSPHORUS IN COAL ASH INDIAN JOURNAL OF TECHNOLOGY, 1981, 19 (11): : 489 - 491
- [6] RAPID METHOD FOR ASSESSMENT OF TOTAL NITROGEN LEVELS IN SOILS JOURNAL OF THE AUSTRALIAN INSTITUTE OF AGRICULTURAL SCIENCE, 1973, 39 (02): : 145 - 146
- [7] A RAPID METHOD OF DETERMINING THE TOTAL SPECIFIC SURFACE OF SOILS SOVIET SOIL SCIENCE, 1990, 22 (05): : 124 - 126