Download PTU B.Tech 2021 Jan Agriculture-Engineering 3rd Sem 78587 Agriculture For Engineers Question Paper

Roll No. _________________________ Total No. of Pages : 02

Total No. of Questions: 18

B.Tech. (Agriculture Engineering) (Sem.-3)

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AGRICULTURE FOR ENGINEERS

Subject Code : BTAG301-19

M.Code : 78587

Time : 3 Hrs. Max. Marks : 60

INSTRUCTIONS TO CANDIDATES :

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1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students have to attempt any TWO questions.

SECTION-A

Write briefly :

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1. Differentiate between rejuvenation and top working.
2. Enlist the essential nutrients required by plants.
3. In what form are the major plant nutrients absorbed by plants?
4. Write short note on:
   1. Aeolian landform
   2. Marine landform

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5. In which soils gypsum application is recommended and write down the amount of gypsum that can be added to soil at one time.
6. What do you mean by SAR? Write an equation representing SAR.
7. What is modern concept of tillage?
8. What is 'soil tilth'?

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9. How do you classify orchids?
10. Differentiate between rock and mineral.

SECTION-B

11. What are the criteria for judging the quality of irrigation water on the basis of EC and RSC?
12. What is the difference between soil fertility and soil productivity?

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13. Discuss the effect of climatic factors on crop growth and development.
14. Name the micronutrient which is immobile in plants? Khaira disease occurs due to the deficiency of which nutrient?
15. Discuss important techniques of nursery raising of vegetables under protected conditions.

SECTION-C

16. What are the five factors of soil formation? Discuss the role of vegetation in soil formation.

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17. What are saline and alkaline soils? How they are formed. Describe chemical methods for the reclamation of acid soil.
18. Differentiate between training and pruning. Discuss in detail different methods used for training and pruning of fruit crops.

NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any page of Answer Sheet will lead to UMC against the Student.

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