interfers with human activity. (Crops may at some point also be weeds) Weed disadvantages • Reduces crop yield – weeds and crops have to share resources such as light, water and nutrients • Reduces crop quality and health – increases moisture and disease levels • Delay harvesting – conservation of moisture may delay ripening Beneficial effects of weeds • Valuable indicators • Help against erosion • Many weeds are used as herbs for flavouring • Some weeds are used for their medical properties Seed bank • The reservoir of viable seeds found in the soil or at its surface • Depends on the intensivity, soil type, previous cropping, cultivation and herbicide use • 1000 seeds/m2 in pastures or intensively managed arable fields • 80000 seeds/m2 in less intensively managed fields Different ways to deal with weeds • Herbicide • Non-chemical • Integrated weed management
such as electricity, natural gas, telephone, Internet and wireless communication. Cultural preferences. Each international market will have varying preferences for products, foods, product/food quality levels, and even brands. The meaning of shapes, colours and iconic features can also have different cultural significance. For example, Fanta soda is orange flavoured for the North American market. However, the Coca-Cola company, which produces Fanta, has adapted the flavouring for certain markets to take cultural taste preferences into account. Fanta is peach flavoured in Botswana, tastes of passion fruit in France and is flavoured to taste like flowers in Japan. 3. Languages. The languages spoken and used in a country have an impact on marketing, brand names, the collection of information through surveys and interviews, advertising and the conduct of business relationships. Languages might vary between regions of a country,
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