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The descriptions of the 90 weeds included in this publication are arranged in the order of the appearance of the weeds in the taxonomic key. Common and scientific names of the weeds are those indicated in the Composite List of Weeds published by the Weed Science Society of America.
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Key Resource 2000-01-20 This book, PERMACOPIA THREE; AN INVENTORY, is a study of many popular foods, plus some less known, multipurpose plants. The species in this book have been chosen for their acceptance, availability, utility, & their relative lack of rampancy. Included are species for fruit, vegetable, greens,...
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The parasitic weedC. campestrisis native to North America but has been introduced around the world and become a weed in many countries. It is by far the most important of the dodders, perhaps because of its wide host range. This ensures that there is a wide range of crop seeds that may be...
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2007-05-25 Weeds are the pioneer plants of disturbed soils and can adversely affect the use, economic value, and aesthetic aspect of the lands and waters they infest. Knowledge of the major mechanisms of weed survival is essential for developing effective methods of weed control to maximize the use and...
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2017-01-20 Both in Ethiopia and in the countries of East Africa, the continuing proliferation and spread of invasive alien species (IAS) is now recognized as a serious problem, which needs to be addressed. While this situation has improved dramatically over the past 10 years, further progress has been...
- 2017-01-20 Despite the significant impacts of alien plant species (IAS), there has not been a concerted effort to tackle the problem across the region. This can mainly be ascribed to a lack of policy, little awareness and limited capacity at a national and regional level. The UN Environment-Global...
- 2017-01-20 Cradled between the Aberdare Mountains and Mount Kenya, Laikipia County is a land-use model for arid and semi-arid lands in Kenya. Its unique combination of large-scale ranches and community-owned lands host wildlife populations unrivalled in other parts of Kenya. Laikipia hosts the highest...
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Access Agriculture Training Video The parasitic weed striga causes more damage to cereal crops in poor soils, so both problems have to be tackled together. In this video we will learn why it is important to combine at least three control methods to reduce striga and obtain a good yield of...
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Access Agriculture Training Video Effective weed management can increase yields by more than 50%, but usually takes a lot of time. As a farmer it is therefore worthwhile investing in labour-saving weed management tools. In this video you can learn how to control weeds in lowland rice using the...
- Also available in:
- Français (fr)
- Português (pt)
- Abstract ,Crop Protection, 2015 Weeds are a hidden foe for crop plants, interfering with their functions and suppressing their growth and development. Yield losses of 34% are caused by weeds among the major crops, which are grown worldwide. These yield losses are higher than the losses caused by...