ធនធាន ដាក់​​​ស្លាក: Soil Mineralogy

3 items found (Showing 1 - 3)

  1. Current Viewpoints on the Use of Soil Nitrate Tests in the South

    Proceedings of a symposium conducted by the Southern Branch American Society of Agronomy. Field experiments in Kentucky show significant danger in using the Magdoff nitrate test as presently promulgated. The most serious problem seems to be associated with soils which are less than well-drained....
    Magdoff Nitrate Test Soil Soil mineralogy Nitrate

  2. Soil Nitrogen

    01 មករា 1965 A major objective of modern soil science and agronomy is to put together farm management systems that will maximize the efficiency of food production and reduce costs. This monograph summarizes known facts and principles for an important component of the system and therefore will find extensive...
    Soil mineralogy Soil Nitrogen Content

  3. Quantitative Methods in Soil Mineralogy: Proceedings of a symposium sponsored by Division S-9 of the Soil Science Society of America

    01 មករា 1994 462 pages, illustrated, photos SSSA Miscellaneous Publication
    Soil science Soil mineralogy