Julie wanted to know if adding calcium fertilizer to tomato plants will help prevent a disease of tomato plants called blossom-e
nd rot. She used 10 tomato plants. She put 5 plants in a sunny part of the garden and gave each one calcium fertilizer once a week. She placed the other 5 plants in a shady part of the garden and gave them calcium fertilizer twice a week—she thought that since they were in the shade they might need more fertilizer. She then observed the 10 plants for 3 months to see if the fertilizer helped prevent blossom-end rot. Identify and explain one weakness in Julie's experimental design.
1 answer:
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hope this helps!! have a wonderfull day!
