Establishing the foundation forSSNM in South AsiaKaushik Majumdar,Director-IPNI South Asia Program
Spatial and Temporal Nutrient VariabilityPlant nutrient availability of agricultural soils vary spatially and temporally  ...
Spatial and Temporal Management of Soil Nutrients                                       Economic Improved Productivity H...
Dimensions of Site-Specificity of Nutrientsin smallholder system                                     Socio-economic     In...
How Farmers’ Make NM DecisionsProduction                                                  Access toorientation            ...
SSNM is a knowledge intensive process    Feeding crops as and when needed    • optimal use of existing indigenous nutrient...
On-farm Experimental design  • CSISA Phase I       •   Punjab, Haryana, Uttar Pradesh, Bihar, West Bengal  • Other partner...
Dissemination of SSNM in Smallholdersystem               SIMPLIFY      Repackage SSNM principles to appropriate form and d...
Nutrient Expert for South AsiaValidation Results                     Difference between Nutrient Expert based recommendati...
How Nutrient Expert Helps SmallholderFarmers• Simplicity…..it doesn’t intimidate ground level extension  workers• Location...
SSNM in Smallholder system: ConclusionAdapt technologies to smallholder systems   - Fit the dimension   - Musk the rigor  ...
Plans for 2013 and beyond…..• CSISA Phase II   •     Development of Rice-Rice and Rice-Maize System Nutrient Management   ...
Thank youkmajumdar@ipni.net
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23 25 jan 2013 csisa kathmandu ssnm ipni kaushik

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23 25 jan 2013 csisa kathmandu ssnm ipni kaushik

  1. 1. Establishing the foundation forSSNM in South AsiaKaushik Majumdar,Director-IPNI South Asia Program
  2. 2. Spatial and Temporal Nutrient VariabilityPlant nutrient availability of agricultural soils vary spatially and temporally Genesis Between cropping seasons Topography Between years Cropping History Fertilization History Resource availability External fertilizer application requirement for individual farm fields vary spatially and temporally
  3. 3. Spatial and Temporal Management of Soil Nutrients Economic Improved Productivity Higher Nutrient Use Efficiency Optimum Soil Fertility Social Improved Farm Income Better Environmental Stewardship Environmental
  4. 4. Dimensions of Site-Specificity of Nutrientsin smallholder system Socio-economic Indigenous Nutrient Supply Bio-physical Resource availability AwarenessGenesis, Topography Management Risk perception Peer influence etc
  5. 5. How Farmers’ Make NM DecisionsProduction Access toorientation nutrients Home/market Availability Resource Peer availability Access to influence Neighboring marketfarmers/househol Sell/barter d Farmer decision that Awareness eventually influence Perception of Product severity of the problem indigenous nutrient supply price Risk Land perception ownership Drought/flood Own/rental
  6. 6. SSNM is a knowledge intensive process Feeding crops as and when needed • optimal use of existing indigenous nutrient sources • timely application of fertilizers at optimal rates – to meet deficit between the nutrient needs of a high-yielding crop and the indigenous nutrient supply Appropriate Uptake Indigenous time ofrequirement of nutrient supply application crops Expected Attainable yield Nutrient in-flux nutrient targets & out-flux response
  7. 7. On-farm Experimental design • CSISA Phase I • Punjab, Haryana, Uttar Pradesh, Bihar, West Bengal • Other partners • Rajasthan, Karnataka, Andhra Pradesh, Tamil Nadu, Jharkhand • A set of mirror omission plots in no-till and conventional till • Rice, Wheat, Maize NPK 0N 0P 0K +N, +P, +K 0N, +P, +K +N, 0P, +K +N, +P, 0K• Design of a set of NPK and omission plots• Actual yield from farmer’s fertilizer practice for comparison• SSNM strategies developed from experimental data and evaluated against existing practices
  8. 8. Dissemination of SSNM in Smallholdersystem SIMPLIFY Repackage SSNM principles to appropriate form and develop an efficient delivery system to ensure adoption SSNM Principles Developing algorithms Field ApplicabilityCritical assumptions Models to replace actual processes Decision support tool
  9. 9. Nutrient Expert for South AsiaValidation Results Difference between Nutrient Expert based recommendation and Farmers’ Practice Nutrient Expert • A simple nutrient decision GRF# (Rs/ha) N (kg/ha) P (kg/ha) K (kg/ha)Parameter Yield Fertilizer support tool • Generates fertilizer recommendation for individual farmer’s field (kg/ha) cost • Nutrient recommendation is based on crop yield target and system (Rs/ha) nutrient balance • Large scale validation trials showed improved yield and profit, andMaize better nutrient stewardship than existing -81*** 1131*** -4050** 15603*** practices -99*** 6nsWheat 932*** 496*** 9938*** 6** -2ns 63*** # Gross return over fertilizer cost
  10. 10. How Nutrient Expert Helps SmallholderFarmers• Simplicity…..it doesn’t intimidate ground level extension workers• Location specific nutrient recommendations can be developed without a soil test – Can work with or without soil testing – Can provide field specific nutrient recommendation to millions of smallholder farmers who do not have access to soil testing• Provide recommendation that fits the farmer’s pocket – Yield levels driven recommendation matching resources – Logical distribution of resources to match nutrient limitation/requirement in individual fields• Allows ex-ante analysis of production potential, future economic gain, risk management
  11. 11. SSNM in Smallholder system: ConclusionAdapt technologies to smallholder systems - Fit the dimension - Musk the rigor - Match resource availability - Reduce risk - Increase likelihood of profit
  12. 12. Plans for 2013 and beyond…..• CSISA Phase II • Development of Rice-Rice and Rice-Maize System Nutrient Management Tools • Omission Plots • Growing environment information • Synthesize current and historical data • Validate developed tools• Continue work on – Integration of NE Tool in the NARES System and dissemination through collaborative partners – Training for research and extension personnel from public and private sector – Posting of the Nutrient Expert in the IPNI as well as partner Institution websites for free download and use by stakeholders at the end of 2013. – Web version of the tool
  13. 13. Thank youkmajumdar@ipni.net

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