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Growth of a Beans Experiment Aim: To compare the growth of bean seedlings in a different soil solution

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Introduction

COURSEWORK Growth of a Beans Experiment Aim: To compare the growth of bean seedlings in a different soil solution. Background Knowledge: Plants make there own food by photosynthesis. They need light and CO2 from the atmosphere and the water absorbed from the soil. Plants also need very small quantities of minerals for healthy growth. Mineral ions are absorbed through the roots from the dissolved chemicals compounds in the soil. When garden centres sell bottles of "Plant Food" they are selling solutions of some of the important minerals; these can be added to the soil in which the plants are growing. When plants are unable to absorb enough an important mineral they show signs of deficiency. If to little nitrate, phosphate, potassium, iron, magnesium, sulphate or calcium is absorbed by the plant, its appearance and growth will be affected. ...read more.

Middle

* I shall put one of my pots in each sort of nutrient solution. * They will be; * Just water. * A regular solution of miracle gro. * And I double regular solution of miracle gro. * I will measure the bean seedlings on a regular basis. * The one that grows the most will be the most effective solution. * They will all be placed on the same window seal so that it will receive the same amount of sun each. Prediction: I believe that the regular miracle gro solution will out grow the rest, because it is meant to accelerate the growth of plants, I also believe that the double hit of miracle gro will kill of the beans seedlings because the seedling won't be strong enough to stand such I high nutrient solution. ...read more.

Conclusion

my results match the prediction that I gave almost exactly but the extra "miraclegro" solution did grow even the it was unexpected. There were no anomalies in my results or any peculiar results. Evaluations: I think that my experiment worked quite well, it gave me some very good results and went according to my predictions mainly. I believe that my conclusion was satisfactory, and there were no major anomalies. I think I could improve and extend my experiment in a few ways; I could have 6 bean seedlings, with two in each solution. I could also have six different bean seedlings but have one set in the sun and then, one set in the a bowl only getting watered and given there different solutions. This way I would get different conclusions, it would also tell me how big a difference the sun makes to a growth of bean seedlings. BY Jason Moore 10H ...read more.

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