The following points highlight the top five factors affecting weed-crop competition. The factors are: 1. Period of Weed-Crop Competition 2. Weed and Crop Densities 3. Weed and Crop Species 4. Cropping Practices 5. Climatic Influences. Factor # 1. Period of Weed-Crop Competition: Farmers often assume that removing the weeds any time during the growing season shall benefit the crops equally well. Substantial evidence, [...]
In this article we will discuss about:- 1. Definition of Weeds 2. Misutilisation of Weeds 3. Distribution 4. Factors Governing the Weed Composition 5. Propagation 6. Dispersal 7. Economic Uses 8. Prevention 9. Control 10. Eradication 11. Integrated Weed Management. Definition of Weeds: Jethro Tull, a Great Britain farmer, was the first person to use the term weed as a [...]
The following points highlight the top six factors affecting the persistence of weeds. The factors are: 1. Selective Invasion 2. Prolific Seed Production 3. Longevity of Weed Seeds in Soil 4. Vegetative Propagation 5. Rapid Dispersal 6. C4 Plant Physiology. Factor # 1. Selective Invasion: Weed species differ widely in their soil and climatic requirements. Every soil seems to be [...]