IFS Agriculture 2000
Paper-I
Section A
1. Write short critical notes in about 150 words each on any four of the following:
a. Biofertilisers
b. Selectivity of herbicides
c. Intercropping
d. Potential evapotranspiration
e. Integrated plant nutrient management
2. What is watershed? Discuss the objectives and components of watershed management in dry land. Explain the relevance of traditional methods of watershed management in the present context.
3. Define integrated weed management. Briefly discuss the role of bioagents for weed control. Suggest an appropriate and cost effective integrated weed management system for a rainfed crop.
4. What is nutrient fixation? Briefly discuss the phosphorus and potassium fixation in soils. Explain in detail the important management practices to increase the availability and efficient use of phosphorus and potassium in soils.

Section B
5. Write short critical notes in about 150 words each on any four of the following:
a. Drainage coefficient
b. Small Farmers Development Agency
c. Drip irrigation
d. Open auction system
e. Jawahar Rojgar Yojana
6. Define water-use efficiency. Explain in detail appropriate measure for improving water-use efficiency in canal-irrigated and well-irrigated soils.
7. Indicate the meaning and importance of extension programmes. Briefly discuss different methods of evaluation. Critically explain the merits of evaluation of extension programmes.
8. What is farm planning? Differentiate it from farm budgeting. Explain the merits of tactical and strategic farm planning which are taken advantage by the majority of farmers.