Agriculture Sciences - ICAR AIEEA (Agronomy & Soil Science)

Crop Production, Soil Fertility & Irrigation Management question bank (Agronomy, Crop Ecology & Soil Chemistry)

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Q1.

Irrigation Engineering: Which pressurized micro-irrigation system delivers water directly to the plant root zone, demonstrating the highest Water Use Efficiency (WUE of $90\%$ to $95\%$) in 'Agronomy: Classification of Field Crops, Cropping Systems and Crop Rotations'?

(A)

Drip / Trickle Irrigation (Agronomy: Classification of Field Crops, Cropping Systems and Crop Rotations)

(B)

Overhead Sprinkler Irrigation (70-80% WUE)

(C)

Border Strip Flooding

(D)

Furrow Irrigation

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Q2.

Plant Nutrition: The physiological disorder known as 'Khaira Disease' in wetland paddy nurseries in 'Agronomy: Classification of Field Crops, Cropping Systems and Crop Rotations' is caused by the deficiency of which essential micronutrient?

(A)

Zinc (Zn) deficiency (Corrected by foliar spray of $0.5\%$ $ZnSO_4$ + lime) (Agronomy: Classification of Field Crops, Cropping Systems and Crop Rotations)

(B)

Iron (Fe) deficiency

(C)

Manganese (Mn) deficiency

(D)

Boron (B) deficiency

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