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Weeds pose a major threat to the productivity of agricultural and horticultural crops. Weeds are the menace in agriculture and horticulture and cause in the lowering of yield of crops they infested. Keeping these facts in mind, Weed science is published to provide basic information of the weeds along with their control measures to Students, Teachers and persons engaged in agricultural activities. I do not pretend to claim credit for any original contribution on the subject. Rather; it should be viewed as a concise collection of various topics from different, books, bulletins, scientific paper, wave sight etc, the names of which are mentioned in the text itself or in the selected references.
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1. Introduction
2. Classification of Weeds
3. Ecology of Weeds
4. Characteristics of Weeds
5. Beneficial Effects of Weeds
6. Dispersal of Weeds
7. Crop-Weed Association
8. Harmful Effects of Weeds
9. Crop Weeds Competition
10. Methods of Weed Control
11. Formulation of Herbicides
12. Aquatic Weeds
13. Management of Parasitic and Problematic Weeds
14. Mode of Action of Herbicides
15. Degradation of Herbicides
16. Management of Herbicide Residues in Soil
17. Herbicides Interaction
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