资源 标记: Soil Profiles

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  1. Understanding Soil Preparation

    1984-01-01 The purpose of soil preparation is to develop a planting medium that will foster the best possible growth of agricultural crops while preventing the deterioration of the land through erosion, destruction of soil structure, or nutrient loss. The soil preparation system used must be economical,...
    Soil Soil Health Downloads Soil Profiles Soil Management VITA

  2. Effects of Organic Admendments and EM Inoculation on Rice and Rice Ratoon Production and Paddy Soil Properties

    2000-02-01 A thesis for the degree of Master of Science in Agriculture, University of the Ryukyus, Okinawa, Japan 108 pages, illustrated
    Rice Rice Production Soil Profiles

  3. ECHO Asia Intro to Soil Science

    关键资源
    This 4 part training gives a broad overview and introduction to some basic soil characteristics: phases (solid, liquid, gas), texture, density, structure, reaction (pH), plant-water relationships, organic matter, biology and nutrients. After some classroom discussion we went head out to into the...
    Soil science Soil Profiles Soil Testing Plant Health Asia

  4. Soil profile descriptions for steeplands research sites in Haiti

    As a general conclusion of this study, both chemical and physical limitations are affecting crop yields and tree production. Special attention needs to be given to the introduction of crop or tree species that are tolerant of high pH. Crop production should be focused on the better land that has...
    Soil Profiles Soil Surveys Haiti