investigatory project on fertilizers class 11 ( chemistry)
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Abstract
Plants need to be fertilized because most soil does not provide essential nutrients required for optimum growth. Even if the person is lucky enough to start with great garden soil, as your plants grow, they absorb nutrients and leave the soil less fertile. Nutrients in the soil also help plants grow strong. Some nutrients that plants need are nitrogen, phosphorus, potassium, calcium, magnesium, and sulfur.
Introduction
Fertilizers, also known as food elements, are materials produced to supple these elements in a readily available form of plant use. It helps to make plants grow faster which help some farmers and gardeners for their business. Choosing the right fertilizer help us to get everything we need from the plants we eat or from the meat of animals that eat plants. Plants are factories that do all of the work to process the basic elements of life and make them available to us.
Fertilizers help feed the world. The FARO has stated that “after land and water, fertilizers are probably the most important input leading to increased yields”. It is inherently difficult to estimate the share of fertilizers in increasing agricultural output since so many factors are involved. It has been estimated that fertilizer contribute about 40% of the nitrogen in human protein consumption, it follows that nearly one third of this protein depends on fertilizers. Therefore, it is important for us to know which fertilizers to use for us to sustain properly the needs of every plant.
Increased crop production largely relies on the type of fertilizers used to supplement essential nutrients for plants. Fertilizer application is required to replace crop land nutrients that have been consumed by previous plant growth with the ultimate goal of maximizing productivity and economic returns. Now a day, there is increased emphasis on the impact on soil environment due to continuous use of chemical fertilizers. The impact of chemical fertilizer application on agricultural land is seen not only in terms of the soil quality but also on the survival of soil organisms dwelling there in.
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