B. Fill-in-the-blank: Complete the following statements. Choose your answer
from the box. Write the correct answer on your answer sheet.

1. _________ irrigation of fields involves flooding the soil surface with water

released from canals or piping systems.

2. _________ efficiency, where the output is the water beneficially used and

the input is the water delivered to the area being irrigated.

3. _________ will retain water better, and you may need to water less often.

4. _________only a part of the land surface (the furrow) is wetted thus

minimizing evaporation loss.

5. _________ is the amount of moisture lost due to evaporation and
transpiration, and is the largest consumer of the moisture that falls to the
ground.​