자원 태그: Chemicals

4 items found (Showing 1 - 4)

  1. Understanding Integrated Pest Management

    1989/01/01 This paper examines the complex nature of pest problems and evaluates both chemical and nonchemical controls. The objectives of IPM are assessed, together with its current accomplishments and its future as a pest-control strategy. Although the paper emphasizes agriculture, the concepts and...
    Integrated Pest Ma... Pest Management VITA Downloads Chemicals Non-Chemical IPM

  2. Injection of Chemicals into Irrigation Systems: Rates, Volumes, and Injection Periods

    1990/01/06 This publication concentrates on the management aspects of chemigation and chemigation influences other aspects of irrigation management. 12 pages, illustrations
    Chemicals Irrigation Systems Fertilizers

  3. The Merck Index: 11th Edition

    1989/01/01 This is an encyclopedia of chemicals, drugs, and biologicals. 1700 pages, diagrams
    Biologicals Medicine encyclopedia Chemicals

  4. Human Ecology and Susceptibility to the Chemical Environment

    In this clincally oriented synthesis Doctor Randolph has produced an entirely different set of answers to the above questions than is currently supplied by toxicologists. This is not a review but rather the presentation of a point of view-providing a sound basis for therapy of a common medical...
    Air Pollution Human ecology Chemicals Chemical Processes Physiological Effect Environmental Cond...