ធនធាន ដាក់​​​ស្លាក: Downloads

451 items found (Showing 281 - 290) |

  1. Understanding Swine Production

    01 មករា 1985 Swine production provides red meat for the human diet, uses less feed than is required to produce beef or lamb, and is also a source of bides and cooking fat. Swine are also scavengers, and can make productive use of many materials that would otherwise be wasted. Pigs (young swine of either sex...
    Swine Pig Farming VITA Animal Production Downloads

  2. Understanding Multiple Cropping

    01 មករា 1985 Multiple cropping, simply defined, is the growing of two or more crops on the same field during the same year. When the crops are grown one after another the term "sequential cropping" is applied. If the second or later crops are the result of regrowth of the first crop, then the term "ratoon...
    Cropping Systems Multiple Cropping VITA Downloads Intercropping

  3. How To Make Fertilizer

    01 មករា 1981 This bulletin contains easy-to-follow, well-illustrated directions for making fertilizer with materials likely to be found in a village situation. Included are instructions for making the fertilizer in a simple frame or container, a list of possible raw materials, and a list of general...
    Fertilizer VITA Downloads Community Resources

  4. Understanding Inorganic And Organic Fertilizers

    01 មករា 1985 Every farmer and gardener realizes that plants receive some of their substance from the soil. Just how much plants depend on soil fertility is not always obvious, however, because so many other factors also influence plant growth--water, sunlight, pests, and plant variety (genetics). In regions...
    Organic Fertilizer Inorganic Fertilizer VITA Fertilizers Downloads

  5. Understanding Hydroponics

    01 មករា 1989 This paper will describe the basic features of a medium- to large-scale hydroponics system and prefabricated greenhouse appropriate for cold climates. Some modifications for a system suitable for hot climates are also discussed. Home gardeners in any climate can use the basic theories contained...
    Hydroponics Microgardening VITA Downloads

  6. Understanding Integrated Pest Management

    01 មករា 1989 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

  7. Understanding Insect Pests And Their Control

    01 មករា 1985 Insect control is the effort made to protect crops, animals, or other targets of insect attack from unacceptable injury or loss. If destructive insect populations are allowed to cause significant damage or injury to their target host, economic loss or a decline in human health may result....
    Integrated Pest Ma... Pest Control VITA Downloads

  8. Understanding Soil Preparation

    01 មករា 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

  9. Understanding Agricultural Waste Recycling

    01 មករា 1984 This paper discusses the general theory involved in recycling agricultural wastes and several popular methods. It does not present detailed practical examples. It is important to stress that the choice of recycling method will depend on the type of waste available and on the end use the farmer...
    Waste Recyling Agricultural Waste VITA Downloads Recycling Small farms Local Control

  10. Integrated Pest Management in Vegetable Production: A Guide for Extension Workers in West Africa

    01 មករា 2010 A collaborative effort of various authors, this well-illustrated guide addresses a major gap in knowledge on sustainable production and plant protection in horticultural systems. Primarily intended for field practitioners and extension workers, it is also useful for technicians, students and...
    Biotic West Africa Horticulture Downloads Extension Workers Integrated Pest Ma... Vegetables CTA