A. The air is baffled and mixed as it hits the wind breaks
B. Causing a disruptive turbulence patterns which spoils the energy and velocity of the wind
C. This mixing and churning continues as the pressure gradient is built by the windbreak and the air leaks through or rolls over the top of the screen
D. All of the above
A. Trees and / or shrubs can substantially improve the productivity of farmlands
B. They are exposed to strong winds
C. Both (a) & (b)
D. None of these
A. 1H
B. 2H
C. 3H
D. 4H
A. 50%
B. 60%
C. 70%
D. 80%
A. Phypsiographic features of the country, conservation of soil and water, regulation of stream flow
B. And prevention of such calamities as floods, land sides, siltation of dams and change in the course of rivers
C. Both (a) & (b)
D. None of these
A. Provide N.P.S.
B. Increase water holding capacity of soil
C. Reduce impact of falling rain drops
D. Source of energy for micro-organisms
E. All of the above
A. Key to fertility of soil
B. Important factor in soil erosion
C. Both (a) & (b)
D. None of these
A. Water holding capacity
B. Aeration
C. Porosity
D. Heat transfer
E. All of the above
A. As a protective material against extreme conditions of temperature
B. If the temperature is very light or very cold whatever the case may be
C. Both (a) & (b)
D. None of these
A. Grazing protection
B. Fire protection
C. Pruning
D. Harvesting
E. All of the above
A. Are carefully measured at various points on a line perpendicular to the center of the windbreak
B. By calculation, it can be shown that the total potential yields for most crops will be 2-10% greater on the field
C. Both (a) & (b)
D. None of these
The correct answer to the question: "How windbreaks functions is:" is "All of the above".
Login below or Register Now.