Soil pH

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    sampling in determining soil nutrient levels. Soil samples collected from Flinders Campus were used to determine their pH, salinity, ammonium, nitrate, phosphate, and nitrite levels. Introduction Unless there is a specific problem detected, the most common reason for undertaking soil analysis is to detect the levels of essential nutrients (Guo, 2009). The commonly analysed nutrients in most samples submitted to the laboratory include macronutrients like potassium, phosphorus, and nitrogen as well as their pH levels. McGrath and Skotnikov (1996) pointed out that knowledge about soil nutrient levels, in addition to relative comprehension…

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    question: What is the effect of changing the pH of the soil on the germination and growth of mustard peas? Hypothesis: The greatest number of peas will germinate and will grow the most when the pH is 5 or 7. Theory: Enzymes play a vital role in the cells of plants (especially when growing) and enzymes work best when at their optimum pH value. Moreover, all chemical reactions have an optimum pH at which they work best (Howard and Loomis, no date). Generally the enzymes in plants work best…

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    Acid Rain Essay

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    nitrogen oxides also comes from volcanoes and biological decay. Winds spread these acidic arrangements across the atmosphere and over many miles. At a point where acid rain reaches Earth, it it seeps into the soil and the…

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    with an acidic pH level are taken out of the atmosphere through precipitation. When we pollute the air by burning fossil fuels, we create different chemicals that end up in our atmosphere. A few of these have chemical reactions with the water in clouds, and form (depending on the chemical) sulfurous and nitrous acids. When it rains, this acid is taken back to the ground. While pure water has a neutral pH level of 7, even unpolluted water will have an acidic pH level of 5.6 due to CO2, NO,…

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    Green plants are multicellular, autotrophic eukaryotes. They use their roots to absorb nutrients and water from the soil. “Fast Plants are a type of crucifer (a large group of plants that includes mustard, radish, cabbage, and more) that have been bred and selected to have a uniform, short flowering time (14 days) and grow well under in a small indoor space, with little soil, under artificial lights”(The Story of Fast Plants). Wisconsin fast plant are plants that grow at a very high speed rate.…

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    Earthworms Lab

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    population. The quality of soil is of paramount importance when it comes to planting crops. A major factor attributed to soil quality is the presence of earthworms. Earthworms are very important in the world of agriculture and can help maximize crop yields. In this study, the effects of earthworms on varying soil pHs and soil density were viewed. Earthworms (Lumbricus terrestris) are very beneficial for the soil. They change the structure and composition of the soil, they alter water movement,…

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    Kishan Patel Section: 008 Pattern: Calcium levels in the soil controls soil pH and species richness within a community Hypothesis 1: Calcium levels in the soil controls soil pH. Prediction: An increase in the calcium levels in the soil will make the soil less acidic. Reasoning: Calcium exists mainly in the soil as exchangeable cations (ca^2+) associated with basic anions, which reacts with soil acidity (H) to neutralize it. Analytical approach: Regression Independent variable: Calcium levels…

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    Titration Experiment

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    hazardous wastes into river, ocean, and soil has resulted in a dramatic change in pH of the non-renewable resources and leads to a destruction in the ecosystem. Specially in agriculture, crops cannot grow in acidic soil, so it is crucial to maintain the acidity of the soil at a neutral state. Consequently, farmers use lime fertilizers such as powdered limestone, CaO, or the ashes of burnt wood to neutralize the acid in the soil. However, considering that the change in acids…

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    2.1 Soil The soil is a major source and natural medium for plant growth which has a direct impact on yield and quality of crops growing on it. 2.1.1 Nutrients in soil Most plants raise by absorbing nutrients from the soil. Soil is a major source of nutrients needed by plants for growth and development. There are two main classification of nutrients in the soil; Macronutrients and Micronutrients. Carbon (C), Hydrogen (H), and Oxygen (O) are also essential for plant growth, but not considered…

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    The experiment about pH brace our hypothesis because the pH of the enzyme amylase is 7. It has correlation because human beings have pH of 7 as well. The pH of 7 is known as neutral. This means that the concentration of H+(hydrogen) ions and OH- (hydroxide) ions is 10⁻⁷. For example, saliva is an enzyme amylase in the human body. It needs to have a pH of 7 will not denature because it is neutral. Therefore, the amylase will be effective. Also, it has adapted to the pH, so it can breakdown the…

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