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AG 601 MODERN CONCEPTS IN AGRONOMY                                                                               (3L+1P) I

Objective
  To acquaint the students about the recent developments in agronomy and resource management.

Theory

UNIT I
  Environmental concerns related to intensive use of agricultural inputs. Sustainable agriculture - need, scope, practices and economic evaluation, holistic approach of farming systems. Agro- physiological basis of variation in yield, role of agro-biodiversity in sustainable food production, GM crops, crop diversification for improved food and nutritional security.

UNIT II
  Conservation agriculture, modern approaches for improving resource-use efficiency, crop residue management in multiple cropping systems. Principles and practices of conservation tillage and watershed management, carbon sequestration.

UNIT III
  Precision farming - current status and opportunities for adoption in India. GIS, GPS and remote sensing for crop management, global warming.

UNIT IV
  Contract farming - concept, scope, partnerships, types, characteristics, management and administration, problems and advantages for farmers/ sponsors, WTO issues in agriculture.

UNIT V
  Crop modeling, systems classification; flow charts, modeling techniques and methods of integration
    - state, rates and driving variables, feedbacks and relational diagrams information technology, elementary models for crop growth based on basic methods of classical growth analysis.

UNIT VI
  Protected agriculture - concept, characteristics, types, scope and limitations in India. Plant nutrition
    - challenges and tasks ahead. Organic farming - importance, history, scope, principles and practices, limitations, export potential of organic products, certification, labeling and accreditation procedures.

UNIT VII
  Climate change and crop adaptation. Stress crop production. Potential evapo-transpiration, water balance of the soil, and production with nutrient and moisture limitations.

Practicals
  Sustainability indicators in agriculture. Agro-ecological zones and biodiversity in India. Estimation of nutrient and water-use efficiency in Indian agriculture. Practical considerations in conservation tillage and carbon sequestration. Instrumentation for precision farming. Contract farming models in peri-urban areas of metropolitan cities. Simulation of elementary models for crop growth. Simulation of potential production. Practical considerations in protected agriculture. Certification and accreditation procedures in organic farming. Crop phenology studies in major crops.

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