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The effect of total solar. radiation on nutrient concentration (mean values for 11 chrysanthemum cultivars) is. summarized in Figs 2â9. The increase of radiation (in MJ m-2) caused decreased. concentration of nitrogen, phosphorus, potassium, calcium, magnesium, cuprum and. boron in chrysanthemum leaves.
Undergraduate Researcher Studies Sunflowersâ Power to Clean Up Soil. Call it the wonder plant â a flower that can either absorb toxic metals and radiation out of the soil or prevent most of them from entering its system and be safe to consume, depending on the variety. Itâs also beautiful, native to the Americas and begins to bloom in July.