Soil Fertility Evaluation to Adopt Climate-Smart Agriculture in Mambattu Village, Maduranthakam Block of Kanchipuram District, Tamil Nadu, India
2021
Kalpana Palani, Selva Preetha Paneer Selvam, Sathya Velusamy and Ramasubramaniyan Ramanathan Melmangalam
Assessment of soil fertility is essential to help identify strategies for sustainable agricultural production systems that decrease the negative environmental impact. The objective of this research study is to carry out a preliminary assessment of soil fertility status to adopt climate-smart agriculture to address the climate change challenges that adversely affect crop productivity and livelihoods of the farming community. The research was carried out in Mambattu village, Maduranthakam block of Kanchipuram district, Tamil Nadu. A systematic set of twenty geo-referenced soil samples were collected from the study village using GPS (Global Positioning System) and analysed for pH, EC, available macro, secondary and micronutrients to develop a credible soil fertility index (SFI). The preliminary fertility data of Mambattu village revealed that the pH of soil samples varied from acidic to alkaline with about 40% as neutral while the electrical conductivity showed non-saline and medium status of Organic Carbon (OC). The soil samples were predominantly sufficient in N and some micro nutrients (Fe, Mn), while medium in S and B and deficient in P, K, Ca, Mg, Zn and Cu. Results from initial studies indicate that practices like site specific nutrient management, green manuring, use of organic inputs, use of integrated pest management, seed treatment etc., have a high potential for implementing climate-smart agricultural technologies. Soil fertility evaluation can be an efficient tool to improve soil health which can positively impact crop productivity and be one of the important climate-smart technologies practices adopted by the farmers.
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