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- [2] POTASSIUM AND AMMONIUM FIXATION BY VERMICULITIC SOILS SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS, 1967, 31 (03): : 337 - &
- [4] FIXATION OF AMMONIUM AND POTASSIUM APPLIED SIMULTANEOUSLY IN FINNISH SOILS ANNALES AGRICULTURAE FENNIAE, 1976, 15 (04): : 304 - 308
- [9] Studies on potassium fixation and release in arid soils of Rajasthan Transactions of Indian Society of Desert Technology, 1993, 18