HORT 221 - FINAL EXAM QUESTIONS WITH
ANSWERS 100% VERIFIED
Define soil texture - ANSWER Soil composition with regards to different sized particles
that soil is made of
How is soil texture determined? - ANSWER By relative proportions of different sized soil
particles
Define soil structure - ANSWER Arrangement of soil particles (separates of sand, silt,
clay) into soil aggregate "the way" soil separates is packaged or sticks together in
aggregates
What are the properties of an ideal soil or container mix for plant growth? - ANSWER 1.)
Light weight
2.) Good texture & structure
3.) Uniform & not prone to compaction, readily available, relatively inexpensive
4.) Free of diseases organisms, weed seeds, & toxic substances
What is the primary benefit of peat in a container mix? - ANSWER Water retention
,What is the primary benefit of vermiculite in a container mix? - ANSWER 1.) well drained
but holds water
2.) good aeration, but also moisture retention
What is the primary benefit of perlite in a container mix? - ANSWER Aeration
What is the primary benefit of sand in a container mix? - ANSWER Increases drainage
What does Macro in macronutrients mean? - ANSWER Absorbed in greater quantities
List the macronutrients - ANSWER 1.) Carbon, Hydrogen, Oxygen (C,H,O)
2.) Nitrogen (N)
3.) Phosphorous (P)
4.) Potassium (K)
5.) Calcium (Ca)
, 6.) Magnesium (Mg)
7.) Sulfur (S)
What does -micro stand for in micronutrients? - ANSWER Absorbed in smaller quantities
Name the micronutrients - ANSWER 1.) Iron (Fe)
2.) Manganese (Mn)
3.) Zinc (Zn)
4.) Copper (Cu)
5.) Boron (B)
6.) Molybdenum (Mo)
7.) Chlorine (Cl)
8.) Nickel (Ni)
ANSWERS 100% VERIFIED
Define soil texture - ANSWER Soil composition with regards to different sized particles
that soil is made of
How is soil texture determined? - ANSWER By relative proportions of different sized soil
particles
Define soil structure - ANSWER Arrangement of soil particles (separates of sand, silt,
clay) into soil aggregate "the way" soil separates is packaged or sticks together in
aggregates
What are the properties of an ideal soil or container mix for plant growth? - ANSWER 1.)
Light weight
2.) Good texture & structure
3.) Uniform & not prone to compaction, readily available, relatively inexpensive
4.) Free of diseases organisms, weed seeds, & toxic substances
What is the primary benefit of peat in a container mix? - ANSWER Water retention
,What is the primary benefit of vermiculite in a container mix? - ANSWER 1.) well drained
but holds water
2.) good aeration, but also moisture retention
What is the primary benefit of perlite in a container mix? - ANSWER Aeration
What is the primary benefit of sand in a container mix? - ANSWER Increases drainage
What does Macro in macronutrients mean? - ANSWER Absorbed in greater quantities
List the macronutrients - ANSWER 1.) Carbon, Hydrogen, Oxygen (C,H,O)
2.) Nitrogen (N)
3.) Phosphorous (P)
4.) Potassium (K)
5.) Calcium (Ca)
, 6.) Magnesium (Mg)
7.) Sulfur (S)
What does -micro stand for in micronutrients? - ANSWER Absorbed in smaller quantities
Name the micronutrients - ANSWER 1.) Iron (Fe)
2.) Manganese (Mn)
3.) Zinc (Zn)
4.) Copper (Cu)
5.) Boron (B)
6.) Molybdenum (Mo)
7.) Chlorine (Cl)
8.) Nickel (Ni)
