Which of the following will increase the evaporation (E) from the soil surface?

Which of the following will increase the evaporation (E) from the soil surface?
 
  A) the use of no-till culture
  B) plastic mulch
  C) adding straw mulch to the soil surface
  D) stubble mulch farming
  E) none of the above

Question 2

Plant transpiration efficiency at a given location is markedly influenced by ________.
 
  A) tillage practices used
  B) organic residue cover on the soil
  C) fertilization practices used
  D) the plant species being grown
  E) both C and D

Question 3

If the average transpiration (T) loss from leaf surfaces in a particular watershed is 10 mm/day, you expect the evaporation (E) from the soil surface to be ________.
 
  A) 5 mm/day
  B) 10 mm/day
  C) 15 mm/day
  D) 100 mm/day
  E) Impossible to calculate from the data given

Question 4

Capillary movement is made possible by the processes of cohesion and adhesion.
 
  Indicate whether the statement is true or false

Question 5

Plant roots gain access to soil water primarily by the growth of the roots into moist soil.
 
  Indicate whether the statement is true or false

Question 6

The effect of soil organic matter on the amount of water available to plants is due to organic matter influence on total soil porosity as well as to the water-supplying power of the soil organic matter.
 
  Indicate whether the statement is true or false