Tài nguyên được gắn thẻ với: Alkaline

2 đề mục được tìm thấy (Hiển thị 1 - 2)

  1. Acid Soils of the Tropics

    Tài Nguyên Chính
    01-01-2002 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

  2. Diagnosis and improvement of saline and alkali soils

    01-08-1954 It is the purpose of this handbook to bring together and summarize information that will be useful, particularly to professional agricultural workers, for the diagnosis and improvement of saline and alkali soils. It is a practical guide for those who are confronted with soil, plant, and water...
    Saline Soils Alkaline Soil science