ทรัพยากร ระบุป้าย: Soil

74 รายการที่พบ (กำลังแสดง 71 - 74)

  1. Spatial Variabilities of Soils and Landforms

    01-01-1991 The result of a symposium held at the Annual Meeting of the Soil Science Society of America, in Las Vegas, October 1989. The objective of the symposium was to establish a forum for creative purposes in developing guidelines and procedures for quantitative description of map unit composition. 270...
    Soil Surveys Soil Mapping Geography Soil

  2. Illustrated Key for the Identification of Common Nematodes in Florida

    01-11-1988 91 pages, illustrated. Part 1: Soil dwellers; Part 2: Order Oxyurida, Family Thelastomatidae, Parasites of cockroaches and bess beetles
    Nematodes Soil Florida

  3. Building Living Soil

    01-01-2006 This publication includes information on soil fertility, earthworms, cover cropping, compost, mulching and intensive beds.
    Soil

  4. Understanding Soil Preparation

    01-01-1984 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