In a certain irrigation project and in a given year, 72% and 56% of the culturable command area remained unirrigated in Kharif and Rabi season, then the intensity of irrigation for that year and for that project, will be
72%
Understanding Irrigation Intensity Calculation
This question asks us to find the overall intensity of irrigation for an agricultural project in a specific year. We are given the percentages of the culturable command area (CCA) that remained unirrigated during the Kharif and Rabi seasons.
Analyzing Given Data
- Percentage of CCA unirrigated in Kharif season = 72%
- Percentage of CCA unirrigated in Rabi season = 56%
Calculating Seasonal Irrigation Intensity
The intensity of irrigation for a particular season is the percentage of the CCA that is actually irrigated during that season. We can calculate this by subtracting the percentage of the unirrigated area from 100%.
- Kharif Season Irrigation Intensity:
Percentage irrigated in Kharif = 100% - Percentage unirrigated in Kharif
Using LaTeX for the calculation:
$$ \text{Irrigation Intensity}_{\text{Kharif}} = 100\% - 72\% = 28\% $$
- Rabi Season Irrigation Intensity:
Percentage irrigated in Rabi = 100% - Percentage unirrigated in Rabi
Using LaTeX for the calculation:
$$ \text{Irrigation Intensity}_{\text{Rabi}} = 100\% - 56\% = 44\% $$
Determining Total Irrigation Intensity
The intensity of irrigation for the entire project in that year typically refers to the sum of the intensities of irrigation applied during each season. This represents the total irrigation effort across the CCA throughout the year.
Total Irrigation Intensity = Irrigation Intensity (Kharif) + Irrigation Intensity (Rabi)
Using LaTeX for the calculation:
$$ \text{Total Irrigation Intensity} = \text{Irrigation Intensity}_{\text{Kharif}} + \text{Irrigation Intensity}_{\text{Rabi}} $$
$$ \text{Total Irrigation Intensity} = 28\% + 44\% $$
$$ \text{Total Irrigation Intensity} = 72\% $$
Conclusion on Irrigation Intensity
Therefore, the intensity of irrigation for the project in that year is 72%.
Important Questions from Water Requirement of Crops
- A tubewell operating $10\text{ hours}$ per day discharges water at a rate of $25\text{ m}^3\text{.h}^{-1}$. The average irrigation depth is $80\text{ mm}$, and irrigation interval is $20\text{ days}$. If intensity of irrigation is $80\%$, the culturable command area (in hectares) is ________. (Rounded off to two decimal places)
Irrigation water having SAR value of 20, is called
The ratio between the areas of a crop irrigated and the quantity of water required during its entire period of growth is known as
Alkaline soils are reclaimed by
For crops like potato and sugar-beets, the commonly adopted method of surface irrigation is
