¶ … salt inhibit the growth of grass? In the winter cities there are many external factors that can affect the growth of grass. The snow and ice in the winter months falling on the lawn, the leaves fallen from the tress and other external factors all alters the nature of the soil. All properties that mix with the soil can impact the growth of grass. The pH level of the soil is altered by the use of salt, which is used for cleaning snow. The pH level of the soil is directly related to the growth of plants or grass. Salt can wilt and destroy grass because it creates high osmotic pressure in the soil, which restricts the absorption of water and nutrients by the grass roots (Hall, 1994). There are different types of salt, the simple salts such as kitchen salt are neutral salts, and however there are more complex salts such as snow cleaning salts and those are ionic salts which can alter the pH of the soil (Salt, chemical compound, 2010). In this research project I will conduct research to determine if the use of salt for cleaning snow will impact the growth of grass. Trowbridge (2010) have found that salt water can have negative effect on plants and certain types of grass.

Hypothesis

The null hypothesis is that the use of salt for cleaning snow does not affect the growth of grass. The alternative hypothesis is that...

Plants and grass needs nutrients' and water to survive and grown. Depending on the amount of salt the soil is exposed to it will impact the grass differently. If the soil has less salt contamination it will have the least effect on the grass and soil that has the most contamination will have the most effect. The grass will grow thinner and slower in the experimental group where the soil is contaminated, than the control group where the soil is not contaminated.
Controlled Experiment

The experiment was designed using eight sets of potting soil. The same type of soil was purchased and then placed in eight pots of the same type. There were four red pots and four white pots, each color pot was labeled, A, B, C or D. Potting soil A was the control soil, B, C and D. received different levels of salt treatment. Soil labeled B. received a few sprinkles of salt once monthly for three months, soil C. received the same amount of salt sprinkles twice monthly and the pot C. received the same amount of salt three times monthly for three months. All conditions were maintained equally, the pots…