The Profile


The Department of Soil Science and Agricultural Chemistry is one of the oldest teaching and research departments established in the Agricultural College and Research Institute, Coimbatore
in 1907 to undertake research and teaching programme in the erstwhile Madras Presidency.
The earlier research works centered around soil resource investigations in command areas, manures, plant chemistry, bacteriology and animal nutrition. Soil testing, fertilizer testing, pesticide testing and pesticide residue laboratories, soil survey and land use organization, animal nutrition and soil microbiology were the important divisions functioned in this Department.
Since the inception of Tamil Nadu Agricultural University (TNAU) during 1972, the Department  is entrusted with the responsibility of undertaking teaching, research and extension in various branches of Soil Science and Agricultural Chemistry in Tamil Nadu and also for coordinating the research programmes in other campuses and research stations.
Currently the Department has been functioning with units viz.,  Long Term Fertilizer Experiments (LTFE) unit, Soil Test Crop Response (STCR) unit,  Radio Isotopes (RIL) unit, Remote Sensing and GIS unit, Soil Physics Laboratory,  15N Research Laboratory, Under Graduate (UG) Teaching unit, Post Graduate (M.Sc (Ag) &PhD) Teaching and Research unit.



      • To carry out the fundamental and applied research on soils , especially in pedology, soil classification, soil physics, soil fertility, plant nutrition, radiation research, 15N studies, agricultural chemicals, farm and industrial wastes utilisation.
      • To develop soil based technologies for the increased biomass production in the agricultural lands, degraded lands and waste lands.
      • To assess the quality of water in rivers, tanks and underground sources for the irrigation of field, horticultural and tree crops.
      • To offer courses in different disciplines of Soil Science and Agricultural Chemistry for the undergraduate degree programmes in Agriculture, Horticulture, Agricultural Engineering and Forestry and Masters and Ph.D. degree programmes in Soil Science and Agricultural Chemistry.
      • To exchange information with other scientists and extension staff engaged in similar pursuits through field trials, training, group discussions, symposia, seminars, conferences and publications.
      • To collaborate with national, international and other research organizations and industries dealing with agricultural inputs, like fertilizers and pesticides.


      Old Permanent Manurial Experiment