Exam 35: Plant Nutrition

Areas that receive heavy rainfall tend to have ____ soils, and arid regions tend to have ____ soils.

The process of producing NH₄⁺from decaying organic material is called ____.

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.

Harrison and van Buuren used ____ to reveal the molecular basis of how mycorrhizae transport phosphate.

Species of Rhizobium and Bradyrhizobium bacteria are most directly associated with ____.

Plants can generally absorb and make use of nitrogen in the form of ____.

Which element 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?

Haustorial roots of dodders and other nonphotosynthetic, parasitic plants rob the host plant of ____.

Plant tissues are more than 90% ____ by weight.

Animals trapped and digested by "carnivorous" plants such as the cobra lily are used primarily as ____.

Soil mineral particles that range from 0.02-0.002 mm in diameter are called ____.

Which element is considered an essential micronutrient for plants?

Which element is considered an essential micronutrient for plants?

Farmers often grow legumes such as soybeans every few years and plow much of the plant parts into the soil. This practice serves mainly to replenish the soil with useful forms of ____.

Phytoremediation is ____.

Carbon is rarely deficient in plants.

If nitrifying bacteria were not present in a soil, plants would ____.

You might infer from packages of commercial fertilizer that which nutrients are most limiting to plant growth?

The ____ both parasitizes other plants and performs photosynthesis.