Civil Services Main Examination 2020 Agriculture (Optional) Paper I


Section ‘A’

1.Describe the following in 150 words each:

(a) What is tillage? Why zero tillage is getting importance in Indian Agriculture?10
(b) Describe in-situ and ex-situ management of Paddy Crop residue (Parali) in India. 10
(c) Write different elements of weather affection crop production with suitable examples. 10
(d) Write the scope and needs of Agroforestry in India.10
(e) What are the institutional arrangements and mechanism for imparting training for extension workers in India?10


2.(a) Differentiate between the following:5×4=20

(i)Fertigation and Herbigation
(ii)Agroforestry and Agrostology
(iii)Cooperative Societies and Non-Governmental Organizations (NGOs)
(iv)Dry land farming and Irrigated farming

(b) Enlist and explain the effects of "Farmers (Empowerment and protection) agreement of price assurance and farm service Act-2020" on small and medium farmers in India.20
(c) Explain El-Nino effect. Give cause and its impact on Indian Agriculture.10


3.(a) What are the major cause of low productivity of oilseed and pulse crops in India? Suggest strategies for increasing the production and productivity of oilseed crops in the county.20
(b) Describe the causes of increasing threats of Parthenium weed in the country. Write integrated methods of weed management with suitable examples.20
(c) What is contingent crop planning? How it helps in dry land agriculture?10


4.(a) Describe training methods suitable for small and marginal farmers and agriculture labours. Explain the contribution of self-help groups in Agriculture development in India.20
(b) Define water harvesting along with different methods of water harvesting in India. Write governmental initiatives to promote rain water harvesting.20
(c) Describe environmental pollution. Write the role of afforestation in minimizing the effects of environment pollution.10


Section ‘B’


5.Describe the following in about 150 words each:

(a) Define water use efficiency and water productivity. List the crops having high and low water use efficiency. 10
(b) Explain the institutional infrastructure of Agricultural marketing in India.10
(c) Indian farmers usually choose crops and their varieties based on their socio-economic aspects and resources at their disposal. Critically comment. 10
(d) What is diversified system of farming? How it is beneficial to small and marginal farmers in India?10
(e) What is integrated nutrient management (INM)? Explain the limitations in practice of INM at farmers level in India.10


6.(a) What is scheduling of irrigation in crops? What are the important factors considered while deciding irrigation schedules for different regions and crops?20
(b) Enlist and explain the methods of evaluation of extension programmes. Explain what kind of qualitative changes can be achieved by adopting educational approach in extension programmes.20
(c) Describe precision agriculture and conservation agriculture.10


7.(a) Define crop weed competition. Describe various factors affecting crop weed competition. Explain the factors affecting the efficacy of herbicides. 20
(b) What do you mean by problematic soil? How soil is converted into problematic soil? Explain various methods of reclamation of saline-alkali-soils.20
(c) What is farm budgeting? Explain different types of farm budgeting.10


8.(a) Rice-wheat crop rotation is very common in north Indian Agriculture. Discuss and describe the advantages and disadvantages of this crop rotation according to the principles of crop rotation.20
(b) Describe the production technology of sugarcane crop on the following heads:
(i)Improved varieties
(ii)Methods of sowing and seed rate
(iii)Fertilizers and irrigation management
(iv)Inter culture operations
(v)Plant protection20

(c) Describe the principles of soil fertility. Explain the role of bio-fertilizers in enhancing the soil fertility.10