Chapter 31: Q 16. (page 887)
What type of plant problems result from nitrogen and calcium deficiencies?
Short Answer
Chlorosis, Stunted growth
Chapter 31: Q 16. (page 887)
What type of plant problems result from nitrogen and calcium deficiencies?
Chlorosis, Stunted growth
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Get started for freeResearch the life of Jan Babtista van Helmont. What did the van Helmont experiment show?
A soil consists of layers called ________ that taken together are called a ________.
a. soil profiles : horizon
b. horizons : soil profile
c. horizons : humus
d. humus : soil profile
Which horizon is considered the topsoil, and which is considered the subsoil?
For an element to be regarded as essential, all of the following criteria must be met, except:
a. No other element can perform the function.
b. The element is directly involved in plant nutrition.
c. The element is inorganic.
d. The plant cannot complete its life cycle without the element.
Through mycorrhization, a plant obtains important nutrients such as ________.
a. phosphorus, zinc, and copper
b. phosphorus, zinc, and calcium
c. nickel, calcium, and zinc
d. all of the above
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