Download PTU B.Sc Agriculture 2019 May 3rd Semester 72557 SOIL CHEMISTRY FERTILITY AND NUTRIENT MANAGEMENT Question Paper

Download PTU (Punjab Technical University) BSc Agriculture 3rd Semester 72557 SOIL CHEMISTRY FERTILITY AND NUTRIENT MANAGEMENT Last 10 Years 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011 and 2010 Previous Question Papers.

1 | M-72557 (S2)-2589
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Sc. (Agriculture) (2014 & Onwards) (Sem.?3)
SOIL CHEMISTRY, FERTILITY AND NUTRIENT MANAGEMENT
Subject Code : BSAG-307
M.Code : 72557
Time : 3 Hrs. Max. Marks : 60
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
1. Write short notes on the following :
a) Top dressing
b) Role of Ca, Mg and S in plant growth
c) Sodium adsorption ratio
d) Critical limit
e) Muriate of potash
f) Incomplete complex fertilizers
g) Macronutrients
h) Nutrient deficiency
i) Soil with pH < 7
j) Bone meal fertilizers

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1 | M-72557 (S2)-2589
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Sc. (Agriculture) (2014 & Onwards) (Sem.?3)
SOIL CHEMISTRY, FERTILITY AND NUTRIENT MANAGEMENT
Subject Code : BSAG-307
M.Code : 72557
Time : 3 Hrs. Max. Marks : 60
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
1. Write short notes on the following :
a) Top dressing
b) Role of Ca, Mg and S in plant growth
c) Sodium adsorption ratio
d) Critical limit
e) Muriate of potash
f) Incomplete complex fertilizers
g) Macronutrients
h) Nutrient deficiency
i) Soil with pH < 7
j) Bone meal fertilizers

2 | M-72557 (S2)-2589
SECTION-B
2. Discuss role of beneficial and essential plant nutrients for plant growth.
3. How DRIS approach is beneficial for plant analysis.
4. Discuss different chemical methods for reclamation of acidic soils.
5. Explain different techniques to increase nitrogen use efficiency.
6. Explain plant tissue tests for nutrients availability.

SECTION-C
7. Discuss salt affected soils and conditions under which these are formed.
8. Explain different approaches for soil fertility evaluation.
9. Describe fertilizer recommendations of N, P and K fertilizers for some important oil seed
crops grown under irrigated conditions.









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