2726)What is the main goal of irrigation scheduling?
Anonymous Quiz
76%
To maximize irrigation efficiency
12%
To reduce labor costs
12%
To increase water usage
0%
To minimize crop rotation
2727)What is the base period in irrigation?
Anonymous Quiz
3%
The time it takes for water to travel through the soil
85%
The period during which irrigation water is supplied to the crop
10%
The time required for crops to reach full maturity
3%
The time between two irrigation cycles
2728)How is the duty of water typically measured?
Anonymous Quiz
70%
By the volume of water required to irrigate crops during the base period
22%
By the amount of water needed to fill irrigation channels
4%
By the rate of evaporation from the field
4%
By the depth of water added during the irrigation season
2729)What is the primary purpose of "life-saving irrigation"?
Anonymous Quiz
5%
To irrigate crops before planting
74%
To supply water during periods of drought
21%
To enhance the growth of drought-resistant plants
0%
To irrigate crops after harvesting
❤1
2730)What is the key disadvantage of life-saving irrigation?
Anonymous Quiz
38%
Uneven distribution of water
22%
High water costs
32%
Too much water consumption
8%
Requires advanced technology
2732)What does "delta" refer to in irrigation terms?
Anonymous Quiz
42%
The amount of irrigation water needed during the crop's growing period
17%
The rate of evaporation from a field
39%
The depth of soil moisture required for plant growth
3%
The time required for crops to mature
2733)What does the term "seepage" refer to in irrigation systems?
Anonymous Quiz
8%
Vertical movement of water in the soil
89%
Horizontal flow of water through irrigation channels or canals
0%
Downward movement of nutrients
3%
Water lost due to evaporation
2735)What is "leaching" in irrigation?
Anonymous Quiz
0%
The horizontal flow of water through soil
100%
The movement of excess nutrients and salts downward from the root zone
0%
The evaporation of water from soil
0%
The storage of water in the soil for plant use
2736)What is the primary advantage of using "Rostering" or water regulation in irrigation?
Anonymous Quiz
27%
It allows for even distribution of water
42%
It increases the efficiency of water use
12%
It helps prevent soil salinization
18%
It allows for better control over water flow in fields
2737)What type of irrigation is used to irrigate crops when water is limited or during a drought?
Anonymous Quiz
37%
Life-saving irrigation
54%
Contingency irrigation
9%
Palco irrigation
0%
Duty-based irrigation
2738)What is the typical width of plots for supplemental irrigation in dryland crops?
Anonymous Quiz
13%
5-10 meters
66%
15-20 meters
19%
20-25 meters
3%
30-35 meters
2739)What is the water requirement (WR) equation in irrigation?
Anonymous Quiz
26%
WR = (ER + GW) – I.R.
65%
WR = I.R. – (ER + GW)
9%
WR = (ER + GW) – (I.R.)
0%
WR = (I.R.) – ER
2740)What is "Palco" irrigation used for?
Anonymous Quiz
29%
To irrigate crops after sowing for seedling establishment
66%
To irrigate crops before sowing for seed germination
6%
To irrigate crops during the vegetative stage
0%
To irrigate crops during flowering
2741)How is irrigation efficiency (I.E.) calculated?
Anonymous Quiz
20%
I.E. = (Total applied water) / (Total water used by crops)
69%
I.E. = (Water available for crop use) / (Total water applied) × 100
6%
I.E. = (Water lost to evaporation) / (Total water used)
6%
I.E. = (Water used for irrigation) / (Total water in system)
2742)Which of the following factors does not affect irrigation efficiency?
Anonymous Quiz
9%
Soil moisture content
21%
Crop type
48%
Crop yield
21%
Water distribution uniformity
2743)What is the purpose of a "base period" in irrigation planning?
Anonymous Quiz
24%
To estimate the amount of water needed for irrigation
50%
To schedule irrigation events based on crop growth stages
3%
To determine the rate of evaporation from the field
24%
To calculate the volume of water applied during the crop’s growth cycle
2744)How is the "duty of water" related to the irrigation system?
Anonymous Quiz
0%
It determines the cost of irrigation
94%
It refers to the volume of water required to irrigate a unit area of land
6%
It is the period over which irrigation occurs
0%
It measures the soil's water retention capacity
2745)Which of the following describes "seepage" in irrigation channels?
Anonymous Quiz
24%
The downward movement of water through soil layers
74%
The horizontal movement of water in open channels
3%
The amount of water lost through evaporation
0%
The upward movement of water from the ground
2746)What is the most common method used for measuring water flow in an irrigation system?
Anonymous Quiz
19%
Float method
28%
Water meters
19%
Tracer methods
34%
Weirs