Download PTU B.Sc-Agriculture 2020 March 4th Sem 72759 Manures And Fertilizers Question Paper

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Roll No. | | Total No. of Pages : 02
Total No. of Questions : 09

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B.Sc. Agriculture (2014 to 2018) (Sem.-4)
MANURES AND FERTILIZERS
Subject Code : BSAG-407
M.Code : 72759
Time : 3 Hrs. Max. Marks : 60

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INSTRUCTIONS TO CANDIDATES :

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

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1. Write short notes on :
   1. Consortium
   2. Night soil
   3. Green manure
   4. Compost
   5. Vermiwash

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   6. Bio char
   7. Non edible cake
   8. Biogas slurry
   9. Fertigation
   10. Animal refuges

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SECTION-B

1. Write down properties of simple fertilizers.
2. Discuss the benefits of biogas and how biogas slurry can be recycled in agriculture.
3. Discuss volatilization losses of nitrogen.

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4. Write down the precautions to be followed for fertilizer storage.
5. Discuss advantages and disadvantages of incorporation of application of bulky organic manures.

SECTION-C

1. Differentiate secondary and micronutrient fertilizers. Write down deficiency symptoms of zinc and manganese and how their deficiency can be rectified.
2. Define Composting. Discuss in detail about different methods of composting.

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3. Define Fertilizer Control Order. Discuss the power of ADO with respect to fertilizer control order.

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.