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- [2] CONTRIBUTIONS OF SOIL FACTORS TO LIME REQUIREMENT AND LIME REQUIREMENT TESTS SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS, 1968, 32 (01): : 113 - &
- [4] THE ESTIMATION OF SOIL LIME REQUIREMENT IN SOIL TESTING ANNALES AGRICULTURAE FENNIAE, 1980, 19 (02): : 92 - 99
- [8] Field measurements of soil pH and lime requirement using an on-the-go soil pH and lime requirement measurement system PRECISION AGRICULTURE 05, 2005, : 511 - 520