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  • Soil and Land Use Survey of India (SLUSI) is preparing digital soil fertility maps through geospatial techniques using Soil Health Card (SHC) data.
  • SLUSI functions under the Department of Agriculture and Farmers Welfare.

Key Points:

  • Soil fertility maps have been prepared for 351 villages in 34 districts of Maharashtra.
  • Soil fertility maps provide detailed spatial information about the nutrient composition and health of the soil.
    • It helps farmers in judicious use of fertilizers and soil amendments, reducing the risk of over-application or under-application.
  • It helps farmers financially, as they are able to maximize their returns with fewer inputs, increasing overall profitability.

Soil Fertility Mapping:

  • It helps farmers and land managers understand the health and productivity of their soil.
  • This map shows the levels of various nutrients in the soil, such as nitrogen, phosphorus, and potassium.
  • It also shows soil pH, organic matter, and other important properties.
  • It uses geospatial technologies, including remote sensing and AI-based tools.
  • The SHC soil sampling point is geo-coded using GPS, giving the sample a unique QR code.
  • This QR code is retained during analysis in soil testing laboratories.

Soil Health Card (SHC):

  • The Soil Health Card Scheme was launched by the Government of India on 19 February 2015.
  • The scheme aims to provide information to farmers about the soil quality and nutrient status of their land, so that they can make balanced use of fertilizers and other resources.
  • Soil Health Cards are prepared under the Soil Health and Fertility Scheme of the Government of India.
    • This scheme adopts various measures to improve soil health and productivity.

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