Plant Shading

Celene Coleman
Research Task
Effects of shading on growth rate
2016 

Contents page
Page
1 Cover page
2 Contents page
3 Introduction
4 Literature review
6 Gathering of data
10 Discussion
11 Conclusion
12 Appendix Bibliography Plagiarism check

Introduction   Plants need water, nutrients and sunlight in order to grow and survive(leopard.C 2015). Water in plants is used as a method of transportation carrying moisture and nutrients around the plant system. This water is usually taken up through the soil by the roots of the plant (Leopard.C 2015). Nutrients of the plant can be provided by fertilizer. The most important nutrients in fertilizer are nitrogen, phosphorus and potassium.   Plant life on Earth sustains human …show more content…
Plants have to therefore defend themselves, as they have the inability to escape droughts (Anon., 2009). To defend themselves they have a complex system of chemical defends with allow them to close wounds and protect themselves against decay, disease and insects.(ISAAA, 2008). Limited resources force the plant to conserve energy. It will rather grow and reproduce, rather than protecting the plant as producing the secondary chemicals and layer requires a lot of energy.Diseases such as canker-causes diseases on peach and cherry trees are fungi which live on the bark of the tree (Anon., n.d.). The fungi infect the stressed plant leading to the death of the woody plant tissues, this may cause death to the whole plant.   Sugar peas have similar growing requirements to scarlet-runner beans, snap beans or dry beans which all need full sun in order to grow properly (Appleby, n.d.). They are all warm, frost sensitive plants.Beans need to receive around 10 hours of full sunlight daily (Marie, n.d.). They do not need the sunlight to germinate, as germination only requires warmth(Appleby, n.d.). If plants do not relieve a minimum on 6 hours of full sunlight per day they will still flower, but not produce as much …show more content…
The same amount of soil had been placed into each tray, with the same amount of seeds, with equal distances between each seed, see figure 7. In order to dry the seeds of all water which they had consumed, all of the seeds were placed in e oven at the same degrees for 15 minutes.  
To ensure that the mass of each seed was accurately measured, they had been washed of all soil (figure 9) before being measure on an electric scale (figure 10). But to improve this, a scale can be used which will measure more accurately in decimal numbers to, unlike the scale which had been used in the experiment.

To improve the experiment, a larger data base can be used. A larger range of shading percentages can be tested. More beans can be planted for each netting, and placed into different environments.The weather during which the plants are grown in did fluctuate, therefore the plants can be grown in a controlled environment where the temperature is kept constant, to ensure more fair and accurate

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