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Integtared nutrient supply & management

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CSK HPKV, Palampur, HP
CSK HPKV, Palampur, HP
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INTEGRATED NUTRIENT SUPPLY AND MANAGEMENT
Integrated Nutrient supply and Management ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Importance of integrated nutrient supply and management ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Why integration? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Integrated nutrient supply for desired yield ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
The key objectives of Integrated nutrient supply ,[object Object],[object Object],[object Object],[object Object]
Major Sources of Nutrients Component Desirable effect Other effect Fertilizers Concentrated source Concentrated source Concentrated source Less nutrients but Improves soil physical properties Immediate crop need not met Green manure Sources of N from the atmosphere Crop competition Crop residues Source of K. Mulching has (+)ve effect on soil properties Immobilization of nutrients More fertilizer needed. Crop rotation (other crop - legume ) N fixed by legumes Improves soil permeability little N fixed available to the rotation crop Rhizobium, Azospirillum. and BGA Mycorrhiza and P solubilizers N fixers P solubilizers Small amounts of N fixation Small P solubilized
Some key points regarding integrated nutrient supply ,[object Object],[object Object],[object Object]
Soil fertility status of Indian soils Nutrient Soil fertility status Nitrogen Low in 228 districts, medium in 118, high in 18 districts Phosphorus Low in 170 districts, medium in 184, high in 17 districts Potassium Low in 47 districts, medium in 192, high in122 districts Sulphur Deficiencies scattered in 100-120 districts Magnesium Kerala, other southern states, very acid soils Zinc 50% of 150,000 soils analyzed found deficient Iron On upland calcareous soils rice, groundnut, sugarcane Boron Parts of Bihar, Karnataka, West Bengal
Chemical fertilizers ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Organic Sources ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Consumption of major fertilizers (in lakh tonnes) Fertilizer 2002-03 2003-04 2004-05 2005-06 urea 184.93 197.67 206.65 222.97 DAP 54.73 56.24 62.56 67.64 MOP 19.12 18.41 24.06 27.31 N 104.74 110.77 117.13 127.23 P 40.19 41.24 46.24 52.04 K 16.01 15.98 20.61 24.13 N+P+K 160.94 167.99 183.98 203.40
Balance sheet of Nutrients Nutrient removal by crop 32 mt Nutrient addition through fertilizers 16.8 mt Nutrient addition through FYM 3.8 mt Nutrient addition through Biofertilizers 1.0 mt Nutrient addition through agricultural wastes 2.0 mt Nutrient addition through other sources 1.0 mt Total Addition 24.6 mt Mining of soils 7.4 mt per yr
Projected food grain production in relation to nutrient (N-P2O5-K2O) consumption, removal and gap
Integrated use of manures ,[object Object],[object Object],[object Object]
FYM and compost ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Photographs
Photographs
Green manuring ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Legume intercropping and residue incorporation ,[object Object],[object Object]
Crop residue and recyclable waste ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Biofertilizers ,[object Object],[object Object],[object Object],[object Object]
Conclusion ,[object Object],[object Object]
THANK YOU

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Integtared nutrient supply & management

  • 1. INTEGRATED NUTRIENT SUPPLY AND MANAGEMENT
  • 2.
  • 3.
  • 4.
  • 5.
  • 6.
  • 7. Major Sources of Nutrients Component Desirable effect Other effect Fertilizers Concentrated source Concentrated source Concentrated source Less nutrients but Improves soil physical properties Immediate crop need not met Green manure Sources of N from the atmosphere Crop competition Crop residues Source of K. Mulching has (+)ve effect on soil properties Immobilization of nutrients More fertilizer needed. Crop rotation (other crop - legume ) N fixed by legumes Improves soil permeability little N fixed available to the rotation crop Rhizobium, Azospirillum. and BGA Mycorrhiza and P solubilizers N fixers P solubilizers Small amounts of N fixation Small P solubilized
  • 8.
  • 9. Soil fertility status of Indian soils Nutrient Soil fertility status Nitrogen Low in 228 districts, medium in 118, high in 18 districts Phosphorus Low in 170 districts, medium in 184, high in 17 districts Potassium Low in 47 districts, medium in 192, high in122 districts Sulphur Deficiencies scattered in 100-120 districts Magnesium Kerala, other southern states, very acid soils Zinc 50% of 150,000 soils analyzed found deficient Iron On upland calcareous soils rice, groundnut, sugarcane Boron Parts of Bihar, Karnataka, West Bengal
  • 10.
  • 11.
  • 12. Consumption of major fertilizers (in lakh tonnes) Fertilizer 2002-03 2003-04 2004-05 2005-06 urea 184.93 197.67 206.65 222.97 DAP 54.73 56.24 62.56 67.64 MOP 19.12 18.41 24.06 27.31 N 104.74 110.77 117.13 127.23 P 40.19 41.24 46.24 52.04 K 16.01 15.98 20.61 24.13 N+P+K 160.94 167.99 183.98 203.40
  • 13. Balance sheet of Nutrients Nutrient removal by crop 32 mt Nutrient addition through fertilizers 16.8 mt Nutrient addition through FYM 3.8 mt Nutrient addition through Biofertilizers 1.0 mt Nutrient addition through agricultural wastes 2.0 mt Nutrient addition through other sources 1.0 mt Total Addition 24.6 mt Mining of soils 7.4 mt per yr
  • 14. Projected food grain production in relation to nutrient (N-P2O5-K2O) consumption, removal and gap
  • 15.
  • 16.
  • 19.
  • 20.
  • 21.
  • 22.
  • 23.