Q.2
ICAR AIEEA PG 2024 - Agricultural Engineering and Technology (Q.98)
MCQ (Single Correct) +4 −1
Safe limits of land slope (%) for efficient irrigation in medium (loamy) soils is:
मध्यम (दोमट) मृदाओं (medium/loamy soils) में कुशल सिंचाई हेतु भूमि ढलान (land slope, %) की सुरक्षित सीमा क्या है?

Standard recommended longitudinal land slopes for surface irrigation (border strip and furrow irrigation) according to soil texture:
Heavy (clay) soils: 0.05% to 0.20% (require flatter slopes due to low infiltration to prevent excessive runoff).
Medium (loamy) soils: 0.20% to 0.40% (safe limit providing optimum advance rate and uniform distribution without soil erosion).
Light (sandy) soils: 0.25% to 0.65% (steeper slope to ensure rapid advance before deep percolation losses occur).

Thus, for medium (loamy) soils, the safe limit is 0.20 to 0.40%.

सतही सिंचाई (border strip/furrow) हेतु मृदा की बनावट के अनुसार अनुशंसित ढलान की सुरक्षित सीमाएं:
भारी (चिकनी) मिट्टी: 0.05 से 0.20%
मध्यम (दोमट) मिट्टी: 0.20 से 0.40%
हल्की (बलुई) मिट्टी: 0.25 से 0.65%

अतः मध्यम दोमट मिट्टी के लिए सही सीमा 0.20 से 0.40% है।
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