A book on soil fertility status of Tamil Nadu, documented by Tamil Nadu Agricltural University, has been released for benefit of various stakeholders in the agriculture sector.
To document soil fertility status of nine selected districts of high fertilizer consumption viz Thanjavur, Nagapattinam, Thiruvarur, Cuddalore, Villupuram, Salem, Erode, Tiruchirapalli and Coimbatore,3,600 soil samples were collected from small, medium and large farm holdings, TNAU Vice-Chancello K Ramasamy said in a release here today.
The samples were analyzed for 12 parameters, including electrical conductivity, organic carbon, available nitrogen, phosphorus, potassium and the thematics maps depicting the soil fertility status were generated using GIS, he said.
The book titled 'GPS and GIS Based soil fertility appraisal for selected districts in Tamil Nadu- a Monograph,' was released by Sandeep Saxena, Agriculture Production Commissioner and Principal Secretary (Agriculture), on March four, he said.
Monograph is a precious documentation and would serve as an appropriate tool for macro level planning and soil health maintenance in Tamil Nadu, he added.