2767)What does "irrigation period" (I.P.) refer to?
Anonymous Quiz
3%
The duration for which the irrigation system operates
97%
The time period during which irrigation water is applied to a crop
0%
The time taken for water to infiltrate the soil
0%
The crop’s growing period
2768)What is the purpose of using a Parshall flume in irrigation water measurement?
Anonymous Quiz
0%
To measure the water content in soil
39%
To measure the rate of water evaporation from crops
61%
To measure the flow rate of water in open channels
0%
To determine the total water requirement of crops
2769)How does the "field capacity" of soil relate to irrigation scheduling?
Anonymous Quiz
19%
It is the point at which plants cannot absorb more water
25%
It is the amount of water needed to reach wilting point
38%
It is the optimal moisture content for plant growth
19%
It is the maximum water level that can be absorbed by the soil
2770)What is the key benefit of using the "plant approach" in irrigation scheduling?
Anonymous Quiz
16%
It is based on crop growth stages
52%
It uses soil moisture as a primary indicator
32%
It directly monitors plant water stress signals
0%
It requires minimal equipment
2771)What is the term for the first irrigation applied to crops before sowing to assist seed germination?
Anonymous Quiz
30%
Palco irrigation
30%
Life-saving irrigation
15%
Supplemental irrigation
24%
Kor watering
2772)Which irrigation method is based on the available moisture in the soil and crop’s growth needs?
Anonymous Quiz
67%
Soil moisture depletion approach
20%
Climatological approach
13%
Plant-based approach
0%
Water regulation method
2773)How is water efficiency improved in irrigation systems?
Anonymous Quiz
3%
By applying more water to the crop
20%
By reducing the frequency of irrigation
77%
By optimizing the amount of water based on plant needs
0%
By increasing the soil's moisture holding capacity
2774)What is the primary factor affecting the efficiency of irrigation systems?
Anonymous Quiz
3%
Crop type
31%
Soil texture
67%
Water distribution uniformity
0%
Frequency of irrigation
2775)What does the term "duty of water" refer to in an irrigation system?
Anonymous Quiz
17%
The rate at which water flows through a channel
64%
The depth of water needed to bring a crop to maturity
11%
The water required for each plant
8%
The time taken for water to move through soil
2777)What is "irrigation efficiency" based on?
Anonymous Quiz
0%
The total amount of water applied
100%
The water that is effectively used by plants
0%
The amount of runoff generated
0%
The total volume of water in the system
2778)What does "runoff" in irrigation refer to?
Anonymous Quiz
5%
Water movement through soil
89%
Water movement from the field after saturation
5%
Water evaporating from the surface
0%
Water infiltration into the soil
2779)In irrigation scheduling, what is the most accurate way to measure soil moisture content?
Anonymous Quiz
11%
By using a tensiometer
25%
By using a soil moisture probe
61%
By using a tensiometer and gypsum blocks
3%
By measuring evaporation rates
2780)What is the ideal irrigation schedule for crops that require frequent watering?
Anonymous Quiz
34%
Frequent, small waterings
13%
Infrequent but deep irrigation
53%
Seasonal irrigation based on rainfall
0%
Irregular irrigation schedules
2781)What is the recommended water depth for rice irrigation?
Anonymous Quiz
24%
15-20 cm
51%
25-30 cm
7%
50-60 cm
17%
10-12 cm
2782)What is the impact of poor irrigation scheduling on crop production?
Anonymous Quiz
34%
Increases water use efficiency
61%
Decreases crop yield
5%
Increases soil fertility
0%
Reduces the need for fertilizers
2783)Which of the following is a disadvantage of using soil moisture depletion approaches for irrigation scheduling?
Anonymous Quiz
7%
It requires complex equipment
62%
It does not consider crop growth stages
29%
It is not adaptable to different soil types
2%
It is labor-intensive
2784)Which irrigation method involves determining irrigation based on evaporation from an evaporation pan?
Anonymous Quiz
23%
Climatological approach
59%
Soil moisture depletion method
5%
Plant-based approach
14%
Pan coefficient method
2785)What is the "Pan coefficient" used for in irrigation scheduling?
Anonymous Quiz
8%
To estimate crop water requirements
76%
To adjust CPE-based schedules for local conditions
14%
To calculate evaporation rates from the soil surface
2%
To determine the water infiltration rate
2786)What is the effect of excessive irrigation on soil?
Anonymous Quiz
2%
Increased fertility
85%
Salt accumulation in the root zone
9%
Improved soil structure
4%
Enhanced crop resistance to pests
2776)In an irrigation system, what does "seepage" mean?
Anonymous Quiz
9%
Movement of water through irrigation channels
14%
Water flow into the soil from rain
76%
Horizontal movement of water in canals or ditches
1%
Water evaporation from the field surface