rrdi_technology_soilscience_SoilTestKit

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TECHNOLOGIES

Soil Science Division - Soil test kit-based P & K fertilizer application and correction of soil pH

Based on the soil category of each parameter select the requirement of lime. P and K fertilizer using booklet, soil doctor application or the table below

Lime, P and K fertilizer recommendation based on soil category

 

Lime

TSP

MOP

Low

1250 kg/ha

55 kg/ha

60 kg/ha

Medium

No

30 kg/ha

40 kg/ha

High

No

No

No

  • Collect representative soil samples from the paddy field, air dry and analysis using soil testing kit.
  • Compare the colour differences as low, medium and high as mentioned above and select the lime, P and K fertilizer requirement using the booklet or the soil doctor application

Benifits

  • Quick and low-cost method to get soil pH, P and K status of soil.
  • Alternative to laboratory soil test-based fertilizer recommendation

Principal inventor

  • N. Sirisena, Senior Soil Scientist, Rice Research and Development Institute, Bathalagoda

Co-inventors

  • M.U.K. Rathnayaka, Assistant Director of Agriculture (Research), Rice Research and Development Institute, Bathalagoda
  • Rupasinghe, Assistant Director of Agriculture (Research), Regional Agriculture Research and Development Centre, Bombuweala

Collaborators

  • K. Karunarathne (TA), Rice Research and Development Institute, Bathalagoda
  • A.D.I. Maduroshika (RA), Regional Agriculture Research and Development Centre, Bombuweala