Directorate of Extension Education




10. Integrated nutrient management in rice

Thematic area : Nutrient management in rice
Year of release : Under pipeline
Details of the technology :
Microbes : a) Azospirillium
b) PSB
Crop : Rice
Manure : 1 ton per ha (dry weight)
Dose of Bio-fertilizer : 4 kg inoculla
Rock phosphate : 10 kg P2O5 /ha
Muriate of potash : 40 kg K2O /ha
Method of application : Prepare a bed in the corner of the field about
2m×1.5m×0.15m and filled the bed with 2
cm water. Two kg of each of Azospirillum
(strain 71) and PSB (Strain 5w) is required
for 1 acre of land. Dip the seedlings in the
mixed slurry for 8-10 hours before transplanting.
Farming situations : Both rainfed and irrigated
Agro-climatic zones : North Bank Plain Zone, Upper Brahmaputra
Valley Zone, Central Brahmaputra Valley
Zone, Lower Brahmaputra Valley Zone, Barak
Valley Zone and Hills Zone.
Source of technology : Department of Soil Science
Assam Agricultural University
Jorhat _ 785 013, Assam
Source of critical inputs : Annexure _ I
Benefit Cost Ratio : -
Observations to be recorded :
i) Temperature
ii) Rainfall
iii) Date of application of bio-fertilizers
iv) Date of sowing
v) Date of germination
vi) Date of weeding
vii) Days to 50% flowering
viii) Plant height
ix) Number of tillers
x) Number of panicles
xi) Grain per panicles
xii) Pest infestation
xiii) Disease infection
xiv) Grain yield
xv) Farmers' reaction
Technology assessment (Matrices): Annexure _ IV.