资源 标记: Weeds

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  1. Non Chemical Weed Management: Principles, Concepts and Technology

    2007-01-01 Following several decades of popularity after the Second World War, the use of synthetic herbicides is now experiencing a backlash within the agriculture industry. The increase in organic farming and concerns about potential negative effects on human health and the environment is creating a...
    Weed Management Non Chemical Natural resources Environmental Stew... Human Health Weeds

  2. Seeds, Weeds, and Pests

    This seed cleaner was developed in Afghanistan to remove round seeds of weeds from wheat grains. The round seeds could not be separated by a sieve because they were the same size as the wheat grains. The cleaner described here takes advantage of the round shape of the weed seeds to separate them...
    Seed Sources Seeds Weeds Weed Management Pests Pest Management VITA Downloads

  3. FM 1995 ILEIA Newsletter Vol 11 #3

    1995-10-19 The living mulch of Nepal Unexpected source of income - Niger Aggressive colonizers Initiatives to combat savannization and land degradation in Ghana Soil conservation and weed control Green manures - Brazil Cover crops - Honduras Weed management - trees- Kenya Labor issues - India The yield of...
    Weeds Weed Management Green Manures and ... Nepal Ghana Brazil Weed Control Soil Conservation Land Degradation Honduras

  4. Weed Control, cultural and chemical

    This manual has several purposes. First, the extent and nature of weed problems are studied. Then, the importance of knowing the growth habits of the weeds is discussed. Next the various methods of control are examined. The recommended safety practices are also included in the study. Finally, the...
    Weeds Weed Control

  5. Problem Plants and Alien Weeds in South Africa

    1995-01-19 This book has become an indispensable guide for anyone interested in knowing how to recognize, understand and control troublesomeplants. Agricultural production is threatened with a range of alien and indigenous species and our botanical heritage is under threat from a growing variety of alien...
    Weeds Weeds-Identification

  6. Parasitic Plants in African Agriculture

    关键资源
    2019-03-21 This Technical Note provides an overview of parasitic plants of agricultural significance in Africa. Parasitic weeds cause drought stress and stunted crops. Affected plants include cereal grains (e.g., sorghum [Sorghum bicolor] and maize [Zea mays]) and grain legumes (e.g., cowpea [Vigna...
    Weed Control Parasitic Plants Weeds Striga Push-pull

  7. Grass weeds in world agriculture: Identification in the flowerless state

    1979-01-01 The objective of this book is to portray those grass weeds which are unwanted competitors of our crop plants. The most important characteristics of about 60 species in the flowerless state, as well as their inflorescences, are illustrated in colour photographs. These photographs are accompanied...
    Grasses Weeds

  8. Applied weed science

    1985-01-01 The purpose of this book is to meet the need for a reference that relates the principles of weed science directly to weed control situations encountered in the field. Although the concept is simple, the objective is difficult to attain. To be successful in weed control, one must conceptualize...
    Weeds Weed Control

  9. Weed-crop competition: a review

    This review reports what has been done by whom. It imcludes articles directly related to weed-crop competition published prior to June 1978.
    Plant Competition Weeds

  10. Weeds of Southern turfgrasses: golf courses, lawns, roadsides, recreational areas, commercial sod

    2004-01-01 Pgs 208: illus Gift of Wand Krolikowski March, 2023 The weeds shown in this book are arranged alphabetically by family and scientific name within famiy. For each species, the Weed Science Society of America approved family, common and scientific name is shown along with a picture. Alternative...
    Weeds Southern States Turfgrasses