BNRI-104

No. of Printed Pages : 7

DIPLOMA IN WATERSHED MANAGEMENT C.0 C)

Term-End Examination June, 2012

CD

BNRI-104 : RAINFED FARMING Maximum Marks : 50

Time : 2 hours Note : (i) (ii)

1.

2.

3.

Attempt any five questions. Wherever necessary, use appropriat figures.

(a) Define rainfed agriculture. (b) What are the detrimental effects of unfavourable weather conditions on rainfed farming ? Explain with a schematic diagram. (c) Describe in brief the major soil types of dry area in India.

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(a) Classify the climatic zones based on rainfall. (b) What are the different factors affecting the water use efficiency ?

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(a) Describe the role of weather forecasting in relation to agriculture. (b) What are three broad categories of weather forecasting models ?

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(c) What do you understand by rainfall intensity ? How is it measured ? Classify rainfall intensity on the basis of their range. 1+1+2 4.

(a) Define the farming system. List different 2+3 (b)

components of integrated farming system ? Describe the importance of crop planning

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for improving land use efficiency. (c)

Explain two main issues which are addressed by crop diversification.

5.

(a) What do you mean by bio-festilizers ? List 2+3 three major advantages,? (b) What is organic farming ? 2 (c) Distinguish between green manuring in situ 3 and green leaf manuring.

6.

(a) What do you understand by Integrated Pest Management. (b) Distinguish between crop rotation and

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cropping system. (c) 7.

What is biological control ?

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(a) Write the full form of ITK and explain the 1+3 relevance of ITK in water conservation. (b) What do you understand by mulching and 2+2 state its importance and list different types of mulching ? (c)

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Define mixed cropping. 2

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8.

(a) Write important agronomic techniques which play a significant role in improving crop productivity in rainfed areas. (b) Write short notes on any five of the

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following :

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(i)

Cropping intensity

(ii)

Permeability

(iii)

Water Harvesting Structure

(iv)

Irrigation efficiency

(v)

Sprinkler irrigation

(vi)

Irrigation scheduling

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