Macroscopic Nutrient's Effects on Tomato Plants

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Chemistry Hydroponics EEI
Cody Yakimoff
Year 11 – Mrs Bev Gallus
Chemistry Hydroponics EEI
Cody Yakimoff
Year 11 – Mrs Bev Gallus
08
Fall
08
Fall

“Gardening is not a rational act”
~ Margaret Atwood (Canadian poet, essayist, environmental activist)

“Gardening is not a rational act”
~ Margaret Atwood (Canadian poet, essayist, environmental activist)

INTRODUCTION 4 RESEARCH 5 AIM 6 HYPOTHESIS 6 RESEARCH INTO RELEVANT CHEMICALS 9 CONTROLLED VARIABLES 10 INDEPENDENT VARIABLE 10 DEPENDENT VARIABLE 10 MATERIALS 11 METHOD 12 RESULTS 13 QUANTITATIVE VERIFICATION MEASUREMENTS 20 DISCUSSION AND ANALYSIS 21 INTERPRETATION OF DATA 21 WEAKNESSES OF INVESTIGATION 23 IMPROVEMENTS OR FUTURE INVESTIGATIONS 23 CONCLUSION 25

INTRODUCTION

Hydroponics is a technique of growing plants without basing them in soil. Hydroponic systems have been used since ancient times; it is believed that the legendary Hanging Gardens of Babylon employed a technique of ‘flowing water’ to keep plants alive. Chinese and South American cultures appear to have used hydroponics in cultivating crops since around 1300AD (Turner. B. n.d.).

There are many advantages to growing crops hydroponically as opposed to traditional methods. Hydroponics allows for high-density farming and efficient use of water and nutrients without the need for a soil substrate. By removing the necessity of soil, farmers can continuously control the temperature and environment of plants through indoor agriculture (permitting year-round crop yield, not limited by seasons).

Soil-borne diseases and pests are no longer a factor with hydroponically grown plants (Anon. n.d.). Hydroponics is successful because it provides the plant with the exact nutrients that it needs, delivering it straight to the root system. This allows the plant to grow in absolutely ideal conditions, something that is difficult to achieve in



Bibliography: [13] Anon. (2012), Sulfur – the fourth macronutrient, Zone9Garden.com – A vegetable Garden Blog and Forum, Accessed on 9 August 2012 from <http://www.zone9garden.com/sulfur-–-the-fourth-macronutrient>

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