vivek naresh dhaliwal walia sharma (1 résultats)

Hardcover. Etat : New. Contents: Theoretical Component: 1. Weed ecology and biology. 2. Weeds and their classification. 3. Propagation and dissemination of weed seeds. 4. Crop-weed competition including allelopathy. 5. Principles and methods of weed control. 6. Herbicide combinations and formulations. 7. Mode and mechanism of action of herbicides. 8. Herbicide absorption, translocation and metabolism in plants. 9. Herbicides formulations its fate and persistence in the soil. 10. Herbicides applications and resistance. 11. Integrated weed management and weed indices. 12. Weed management in major field crops. 13. Herbicide mixture and bio-herbicides. 14. Aquatic, problematic, parasitic and perennial weeds management. 15. Cost: Benefit analysis of weed management. Practical Component: 1. Techniques of weed preservation. 2. Weed identification. 3. Morphological identification of weeds. 4. Studies on biology of important weeds. 5. Studies on losses caused by weeds. 6. Studies on herbicide formulations and mixtures of herbicides. 7. Studies on herbicide and nutrient compatibility. 8. Studies on shift of weed flora in long term-experiments. 9. Study of methods of herbicide application and spraying equipments. 10. Calculation of herbicide doses. 11. Calibration of spray equipments. 12. Types of sprayers and parts. 13. Weed control efficiency and weed index. 14. Calculation of weed infestation, weed index, weed control efficiency and weed smothering effect. 15. Studies on indigenous technological knowledge (ITKS) on weed management. 16. Study on crop-weed competition. 17. Methods of herbicidal application and necessary precautions. 18. Application of pre plant herbicides in the field. 19. Application of pre emergence and post emergence herbicides in crop field. 20. Application of herbicides under aquatic conditions. 21. Study of phytotoxicity symptoms of herbicides in different crops. 22. Classification of herbicides. 23. Study of weed population and quantitative evaluation of weed cover.