1st year M. Sc Examination, Session-2005-2006
Title – Forest soil
Course No. FOR-511,
Credit: 4, Total Marks-70, Time3 hours
Dept. of Forestry and Environmental Science,
Shah Jalal University of Science And Technology, Sylhet, Bangladesh
1. Marks for respective question are shown at the end of each question.
2. All questions are equal marks except question number 1
3. Question no. 1 of each section is compulsory. Answer other two (2)questions from the rest three (3) for each section.
4. Answer should be written in separate answer script for each section.
Section – B
1. Write short note on any one of the following :( 5x1=5)
a) Soil survey,
b) Plantation forestry in tropics.
2. a) Write the role of afforestation on soil physical properties.
b) Describe soil moisture constants. How water movement takes place in unsaturated soil?
c) Describe the role of soil texture and structure on tree growth.
3. a) What do you understand by nutrient cycling in forest ecosystem?
b) Explain various steps involved in geochemical nutrient cycling?
c) Describe briefly nutrient cycling in tropical forest ecosystem.
4. a) What do you understand by problem soil?
b) In relation to forest is there any problem soil in Bangladesh? Give your opinion.
c) What are the negative consequences of water logging on forest soils?
d) Give suggestions of the species for planting in unstable coastal sands..