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Monitoring the Growth of barley seeds Introduction The reason barley is so important is because it is in our food. Farmers have the job of knowing what is in their crops and they need to know what they are putting on the crops. We are doing an investigation on the growth of the barley. We are going to monitor how much the barley grows over a period of time. We are comparing the growth of the barley seed with the nutrients it needs. Planning Factors affecting barley growth There are control variables, which can be used to change the growth of a plant. Such as the soil type, temperature, light intensity, concentrations of all the other minerals accept the one under test. They are called controlling variables because they can change the growth of the plant. When we did this experiment we needed something to hold the plant up. You can use...

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