2807)What is the primary benefit of using the "soil moisture depletion" method in irrigation scheduling?
Anonymous Quiz
6%
It is simple and easy to implement
88%
It provides accurate water requirements based on soil moisture levels
3%
It is highly accurate for large fields
3%
It requires minimal equipment
2808)What does "contingency irrigation" refer to in irrigation management?
Anonymous Quiz
22%
Irrigation used for crop growth during dry spells
47%
Irrigation applied in case of an irrigation system failure
25%
Emergency irrigation applied during drought
6%
Supplemental irrigation for dryland crops
2809)How is water use efficiency improved when using the "climatological approach" to irrigation scheduling?
Anonymous Quiz
0%
By considering soil moisture retention
89%
By adjusting the irrigation amount based on cumulative evaporation
5%
By providing irrigation at fixed times
5%
By using real-time crop growth data
2810)Which irrigation scheduling approach involves using real-time weather data to estimate irrigation needs?
Anonymous Quiz
39%
Climatological approach
50%
Soil moisture depletion method
3%
Plant-based approach
8%
Evapotranspiration approach
2811)Which of the following is an essential tool for measuring soil moisture content in the "soil moisture depletion method"?
Anonymous Quiz
31%
Gypsum block
33%
Tensiometer
36%
Soil moisture probe
0%
Water meter
2812)What is the most commonly used device for measuring water flow in open channels?
Anonymous Quiz
13%
Water meter
13%
Tensiometer
74%
Parshall flume
0%
Soil moisture probe
2813)What does the "effective rainfall" (ER) component account for in irrigation requirements?
Anonymous Quiz
81%
The water supplied by rainfall that is available to crops
5%
The total volume of rainfall
12%
The amount of water evaporated from the soil
2%
The loss of water through runoff
2814)What is the main advantage of the "tracer method" in water flow measurement?
Anonymous Quiz
15%
It is cost-effective and requires minimal equipment
71%
It is accurate even without measuring the stream cross section
10%
It can be used in any water body regardless of size
5%
It measures the rate of evaporation accurately
❤1
2815)Which of the following is true about the use of "water meters" in irrigation systems?
Anonymous Quiz
13%
They are mostly used to measure soil moisture levels
83%
They measure the flow of water through a pipe or channel
4%
They cannot be used in open channels
0%
They only work for large irrigation systems
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2816)In the "bookkeeping method" of irrigation scheduling, when is irrigation applied?
Anonymous Quiz
6%
Based on soil moisture content
74%
When cumulative pan evaporation reaches a predetermined value
9%
At the start of each growing season
11%
Only when the crop exhibits visible stress
2817)How does "Kor watering" differ from regular irrigation?
Anonymous Quiz
6%
It is applied during the middle of the crop's growth period
88%
It is the first watering of the crop during the base period
6%
It provides water during drought periods
0%
It involves small, frequent irrigation cycles
2818)What is the effect of poor irrigation scheduling on water use efficiency?
Anonymous Quiz
5%
It increases water use efficiency
90%
It leads to inefficient water use and increased runoff
0%
It improves the quality of crops
5%
It reduces the need for water conservation
2819)What does "irrigation efficiency" measure?
Anonymous Quiz
2%
The percentage of water lost in the system
86%
The percentage of water applied that is actually used by the crop
10%
The total water required by crops
2%
The total volume of water applied during irrigation
❤1
2820)What is the average annual rainfall over India?
Anonymous Quiz
7%
1500 mm
77%
1250 mm
14%
1000 mm
2%
900 mm
2821)What percentage of rainfall does India receive during the Southwest monsoon period (June-Sept)?
Anonymous Quiz
7%
0.5
84%
0.75
7%
0.8
2%
0.9
❤1
2822)What is the total water availability per capita in India?
Anonymous Quiz
5%
3500 m³/year
35%
2000 m³/year
49%
2500 m³/year
12%
2300 m³/year
2823)The annual water resources in India's river basins are estimated to be about:
Anonymous Quiz
15%
150 mha.m
28%
200 mha.m
51%
187 mha.m
5%
210 mha.m
2824)What is the rechargeable groundwater resource in India?
Anonymous Quiz
11%
40.5 mha.m
29%
50.6 mha.m
55%
43.2 mha.m
5%
45.5 mha.m
2825)Which type of irrigation projects covers a catchment area of more than 10,000 hectares?
Anonymous Quiz
5%
Minor irrigation projects
78%
Major irrigation projects
15%
Medium irrigation projects
3%
Small irrigation projects