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Páginas: 2 (313 palabras) Publicado: 28 de febrero de 2013
Background
In agriculture and gardening, the word “tomato” may refer to the plant or the edible, typically red fruit that it bears. The tomato fruit is consumed in diverse ways, as an ingredientin may dishes, sauces, and drinks. The tomato is now grown worldwide. With thousands of cultivars having been selected with varying fruit types and for optimum growth in differing growing conditions,there are around 7500 tomato varieties. The most common common tomatoes are Heirloom tomatoes; they are becoming increasingly popular, particularly among home gardeners and organic producers, sincethey tend to produce more interesting and flavorful crops. Tomato plants need lots of light in order to germinate. Plant seeds in light obtain a well-drained soil. As tomato plants grow, they need to bestaked or caged in order to provide adequate support. Before the fruit develops, tomato plants will bloom with small flowers. Most tomato varieties require 55 to 105 days to mature after they areplanted in the soil, although specific times vary by species. Tomato fruits are green colored at first and slowly to red. When tomatoes are firm and red, they can be harvested.
Definition and propertiesof Detergent
A detergent is a surfuctant or a mixture of surfuctants with “cleaning properties in dilute solutions”. There are many different kinds of detergent such as the following: Laundry, Acid,Neutral, and Alkaline detergent. In common usage detergent is similar to soap, but is less affected by hard water. Detergents are commonly as powder and concentrated solutions. Also detergents haveone of the largest applications for cleaning clothing. The formulations are complex, reflecting the diverse demands on the application and the highly comparative consumer market.
In general,detergents contain water softeners, surfuctants, bleach, enzymes, brightness, and many other agents. The formulation is strongly affected by the temperature of the cleaning water and varies from country to...
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