In this article we will discuss about the harmful effects of weeds. Learn about the harmful effects of weeds on: 1. Agriculture 2. Animal Husbandry 3. Human Health 4. Aquatic Ecosystems 5. Industry and Public Utilities 6. Woodlands and Forests. 1. Weed Menace in Agriculture: i. Weeds Reduce Crop Yields and Production Efficiency: Growing with the crop plants, weeds cause [...]
In this article we will discuss about the competition of weeds and crops for mineral nutrition, soil moisture and light. Competition for Mineral Nutrients: Analysis of a large number of weeds reported by different authors during the last five decades have shown that the weeds absorb and accumulate mineral nutrients in higher concentrations than the common crop plants. For instance, [...]
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, [...]