Bio: A farmer notices that the leaves of the cabbages in a field are turning yello. The plants are also smaller than expected.
a. Describe where nitrate and magnesium come from and how they get into the plant.
b. What could the farmer do to make his cabbages healthier? Explain your answer.
Minerals and plant growth
2010-11-19 9:44 am
回答 (1)
2010-11-19 8:31 pm
✔ 最佳答案
a. from the soil, through the rootb. add fertilizer
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