ធនធាន ដាក់​​​ស្លាក: Crops And Nitrogen

3 items found (Showing 1 - 3)

  1. Cover Crops: Keeping Nutrients Out of Waterways

    01 មករា 2017 Includes cover crop facts on how to keep nutrients out of waterways.
    Cover Crops Crops and Nitrogen Phosphorus Water Quality Mana...

  2. Nitrogen fertility in oxisols and ultisols of the humid tropics: A summary of cooperative projects carried out by Centro de Pesquisa Agropecuaria dos Cerrados, Planaltina, Brazil ... [et al.

    01 មករា 1979 Cornell International Agriculture Bulletin 36 Field expereiments were performed in Puerto Rico, Brazil, and Ghana on highly weathered acid soils (Oxisols and Ultisols) to assess the capacity of these soils to supply nitrogen to nonleguminous crops and to determine crop response to fertilizer...
    Agriculture-Tropics Crops and Nitrogen

  3. Cropping Strategies for Efficient Use of Water and Nitrogen

    01 មករា 1988 These are proceedings from a symposium specifcally addressing the impact of water and nitrogen on crop production. 217 pages, charts
    Crops & Water Crops and Nitrogen