Multiple Choice
In a typical mineral soil in optimal condition for plant growth,approximately what percentage of the pore space would be filled with water and what percentage filled with air?
A) 10% water and 90% air
B) 90% water and 10% air
C) 25% water and 25% air
D) 50% water and 50% air
E) 25% water and 75% air
Correct Answer:

Verified
Correct Answer:
Verified
Q32: The water in the soil typically differs
Q33: Although subsoil is more difficult to obtain,it
Q34: In a given soil,the horizon with the
Q35: Soil occupies the _part of the regolith.<br>A)upper<br>B)lower<br>C)younger<br>D)both
Q36: Compared to silt,clay-sized soil particles are characterized
Q37: "Subsoil" is generally equivalent to which soil
Q38: If supplied with a suitable nutrient solution,plants
Q40: Soil air usually has a higher carbon
Q41: Hydroponics will likely be a key element
Q42: "Topsoil" is generally equivalent to which soil