Exam 37: Plant Nutrition

Imagine that you are a farmer who chose not to rotate your crops with soybeans even though the local extension agent recommended that you do so. Which deficiency symptom in your crops should indicate to you that the extension agent's advice was correct?

Nutrients clearly limit the growth of plants. Explain four ways that plants have adapted to increase access to nutrients and what limits the association from becoming more common.

Choose the appropriate category of general plant nutritional requirement for each element given below. -silver

In which process is the enzyme nitrogenase most directly involved?

Which of the following elements is considered an essential micronutrient for plants?

Which of the following is mostly performed by bacteria living within the roots of plants in the legume family?

Which soil region is the top layer of surface litter, such as twigs and leaves?

Research in Colorado's San Juan Mountains compared stands of lodgepole pine and Englemann spruce with stands of trembling aspen. Compared to the other two, the aspen soil had all of the following EXCEPT which?

Choose the appropriate category of general plant nutritional requirement for each element given below. -iron

In which of its forms do plants generally take up nitrogen for their use?

Experiments have shown that even if it is supplied by no other means, plants near the ocean can get enough of one of the following essential micronutrients from the air, and also from sweat from a person's hands. Which of the following is that macronutrient?

Describe how losing leaves in the autumn can affect plant nutrient requirements, and how plants handle this issue.

What is the process of producing NH₄⁺ from decaying organic material called?

Choose the appropriate category of general plant nutritional requirement for each element given below. -nitrogen

Studies of a soybean plant (Glycine max) and the bacterium Bradyrhizobium japonicum have shown that after the bacteria enter the root, cells of the root cortex begin to divide. What is this a response to?

What is the process in which NH₄⁺ is oxidized to NO₃− called?

Choose the appropriate category of general plant nutritional requirement for each element given below. -nickel

You might infer from packages of commercial fertilizer that three of the following nutrients are most limiting to plant growth. What are those three?

What are species of Rhizobium and Bradyrhizobium bacteria most directly associated with?