Weeds, their characteristics, dissemination and association with various crops; their multiplications; cultural, biological, and chemical control of weeds.
Soil- physical, chemical and biological properties. Processes and factors of soil formation. Soils of India.
Mineral and organic constituents of soils and their role in maintaining soil productivity.
Essential plant nutrients and other beneficial elements in soils and plants.
Principles of soil fertility, soil testing and fertilizer recommendations, integrated nutrient management.
Biofertilizers.
Losses of nitrogen in soil, nitrogen-use efficiency in submerged rice soils, nitrogen fixation in soils.
Efficient phosphorus and potassium use.
Problem soils and their reclamation.
Soil factors affecting greenhouse gas emission
Soil- physical, chemical and biological properties. Processes and factors of soil formation. Soils of India.
Mineral and organic constituents of soils and their role in maintaining soil productivity.
Essential plant nutrients and other beneficial elements in soils and plants.
Principles of soil fertility, soil testing and fertilizer recommendations, integrated nutrient management.
Biofertilizers.
Losses of nitrogen in soil, nitrogen-use efficiency in submerged rice soils, nitrogen fixation in soils.
Efficient phosphorus and potassium use.
Problem soils and their reclamation.
Soil factors affecting greenhouse gas emission
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