germination rates. 2. Introduction Fertilisers are widely used in agricultural production because they contain essential compounds such as phosphorus‚ nitrogen and potassium that have been depleted from most Australian soil. The phosphorus is responsible for the development of the plants‚ providing healthy growth and strong roots. Nitrogen furnishes a major component of chlorophyll where it’s known for its ability to grow green leaves. Potassium provides a measure of disease resistance to plants
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at a CAGR of 3.3% over the period of 2006-2012 and the total consumption of fertilizers reached ~ thousand nutrient tons in 2012. The macro nutrient segment which comprises of nitrogen‚ phosphate and potash fertilizers has mainly been driven by the nitrogen fertilizers which comprised of more than half of the overall nitrogen market in most of the Asian economies particularly in East and South East Asia. Though China has been the leading contributor to Asian fertilizer industry during 2006-2012 and
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C1 Revision Notes Atmosphere is a mixture of gases that surrounds the Earth. The three main chemical components present in air are Nitrogen‚ Oxygen and Carbon Dioxide. Trace amounts means only a very tiny concentration of gas is present. An element is made up of 1 type of atom. A compound is made up of 2 or more types of atom that are chemically bonded. A mixture also contains more than 2 or more type of atoms but they cannot be chemically bonded. A pollutant is a waste matter that contaminates
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Part 1 A） Chemist 1: New product development This career role involves the development of new paints to meet changing market needs. The chemist would be working as a member of a team developing and testing new colloidal paints to suit specific purposes. This might include weatherproof paints‚ which retain their colour and are resistant to solar radiation‚ or indoor paints that can be easily and repeatedly washed. Chemist 2: Environmental monitoring This career role as a public servant could
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soil: Some bacteria maintain and others increase the fertility of the soil. They bring about physical and chemical changes in the soil by converting insoluble materials into soluble ones. These bacteria are the ammonifying‚ nitrifying and the nitrogen fixing Bacteria. (i) Ammonifying Bacteria: The decay bacteria decompose the proieinous compounds into amino acids‚ which are reduced to ammonia by ammonifying bacteria. The free ammonia combines in the soil to form ammonium salts. This conversion
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there are a lot type of gases in the air such as nitrogen‚oxygen‚argon gas‚carbon dioxide‚ hydrogen ‚neon ‚helium‚ krypton and xenon.The most percentage of gas in the air is nitrogen which is 78% of gases in the air. Oxygen is 21% of the gas‚ while carbon dioxide is just 0.03%.We as living things can’t only breathe the oxygen because our body also need the mixture of nitrogen ‚ oxygen ‚ carbon dioxide ‚ inert gas and others. For
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over hundreds of years through the weathering of rocks and the decomposition of organic material. Soil contains nutrients that are taken from decomposed animals and plants which turn to detritus. Nutrients such as nitrogen are added to the soil in these ways by organisms such as nitrogen fixing bacteria. Soil is important because it is the fuel to the plants that we need in order to survive and for all species to survive. Soil absorbs nutrients and water that plants then use in order to develop‚ which
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chemical-rich and contain high amounts of nitrogen‚ phosphorus and potassium. On the other hand‚ the main difference between a chemical fertilizer and an organic fertilizer is that the chemical fertilizer comes out of a lab and the organic fertilizer comes from living beings. A chemical fertilizer is synthetically prepared to include the vital nutrients that are necessary for the plant growth process. All chemical fertilizers contain the normal NPK (nitrogen‚ phosphorus‚ and potassium) requirement
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in the carbon and nitrogen cycles. In the carbon cycle‚ decomposing bacteria release carbon from the decaying bodies or waste into the atmosphere. Without them‚ it won’t be able for any organism to access the carbon stored in dead bodies. In the nitrogen cycle‚ decomposing bacteria breaks down animal waste‚ which creates ammonia and nitrate products rich in nitrogen. Although no animals or plants cannot directly use all the nitrogen found in the atmosphere‚ such form of nitrogen created by the bacteria
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verses. He joined the Federal Institute of Technology situated in Zurich for pursuing more knowledge on chemical engineering and made himself master of the contemporary modern chemical technologies. He innovated a new method to combine two elements nitrogen and hydrogen in order to create ammonia. Haber was awarded with various prizes for his invention of new method of producing ammonia and finally he was nominated for Nobel Prize in 1918. A significant proportion of scientists differed against granting
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