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Sumber Informasi Tagged: Nitrate

2 item ditemukan (Menampilkan 1 - 2)

  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. Acid Soils of the Tropics

    Sumber Daya Utama
    01 Januari 2002 Acidification of soil is a natural process with major ramifications on plant growth. As soils become more acid, particularly when the pH drops below 4.5, it becomes increasingly difficult to produce food crops. As soil pH declines, the supply of most plant nutrients decreases while aluminum and a...
    Soil Micronutrients Acidity Alkaline Nitrate Ammonium Fertilizer Lime Calcium Soil pH