Soil salinity and its impact on plant growth
Order ID:89JHGSJE83839 | Style:APA/MLA/Harvard/Chicago | Pages:5-10 |
Instructions:
Soil salinity and its impact on plant growth
Soil salinity is the measure of the amount of salt in the soil. High soil salinity can negatively impact plant growth and limit agricultural production. Salts in the soil can create an osmotic imbalance that affects the water uptake and nutrition of plants. Additionally, salt toxicity can directly damage plant tissues and reduce their photosynthesis capacity.
When there is an excess of salt in the soil, it can change the osmotic potential of the soil solution, leading to reduced water uptake by plant roots. This reduction in water availability can cause plant stress and growth reduction. The excessive salt can also cause toxic levels of ions to accumulate in the plants, causing ion-specific toxicities. The most common ion-specific toxicities associated with soil salinity include chloride, sodium, and boron. These toxicities can cause damage to the plant tissue, disrupt metabolic processes, and reduce the plant’s ability to photosynthesize.
High levels of soil salinity can also affect the soil microorganisms that are important for nutrient cycling and soil health. Excess salt can cause soil microbes to become less active, leading to reduced nutrient availability for plants. Additionally, high soil salinity can lead to soil structure degradation and reduced water infiltration and percolation, ultimately reducing soil productivity.
The severity of the impact of soil salinity on plant growth depends on several factors, including the type of salt present, the concentration of the salt, the soil type, and the plant species. Some plant species are more salt-tolerant than others and can adapt to high soil salinity conditions. These salt-tolerant plants have evolved various mechanisms to cope with salt stress, including the exclusion of salt from the roots, salt compartmentalization, and salt accumulation in leaves.
Soil salinity and its impact on plant growth
RUBRIC |
||||||
Excellent Quality 95-100%
|
Introduction
45-41 points The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned. |
Literature Support 91-84 points The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned. |
Methodology 58-53 points Content is well-organized with headings for each slide and bulleted lists to group related material as needed. Use of font, color, graphics, effects, etc. to enhance readability and presentation content is excellent. Length requirements of 10 slides/pages or less is met. |
|||
Average Score 50-85% |
40-38 points More depth/detail for the background and significance is needed, or the research detail is not clear. No search history information is provided. |
83-76 points Review of relevant theoretical literature is evident, but there is little integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are included. Summary of information presented is included. Conclusion may not contain a biblical integration. |
52-49 points Content is somewhat organized, but no structure is apparent. The use of font, color, graphics, effects, etc. is occasionally detracting to the presentation content. Length requirements may not be met. |
|||
Poor Quality 0-45% |
37-1 points The background and/or significance are missing. No search history information is provided. |
75-1 points Review of relevant theoretical literature is evident, but there is no integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are not included in the summary of information presented. Conclusion does not contain a biblical integration. |
48-1 points There is no clear or logical organizational structure. No logical sequence is apparent. The use of font, color, graphics, effects etc. is often detracting to the presentation content. Length requirements may not be met |
|||
You Can Also Place the Order at www.collegepaper.us/orders/ordernow or www.crucialessay.com/orders/ordernow
|