They live in the same arid area with high sunlight and have the same kind of soil. Bill decides that there is too much sunlight so he sets up a partial shade over his cabbage. By shading, Bill can reduce transpiration rates of outer leaves and distribute calcium to inner leaves and avoid tip burn. Janette Grossmann 4. A biotechnologist has engineered a plant that reduces nitrate in the dark as well as the light.
Plants only reduce nitrate in the light for a reason.
If plants reduced nitrate in the dark, more nitrate would be reduced to nitrite. Since the plant would not be able to reduce the nitrite without light, the buildup of nitrite would be toxic to the plant. Michelle Meche 5. A. Tell me why they are so vigorous. Amaranths are C 4 plants.