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Paper Details

Influence of long term fertilizer application on nutrient addition through root biomass in maize

H.M. PUSHPA*, R.C. GOWDA, D.V. NAVEEN, D.C. HANUMANTHAPPA AND T. BHAGYALAKSHMI

Journal Title:International Journal of Agricultural Sciences
Abstract


An experiment was conducted in long-term fertilizer experiment field at the ZARS,GKVK,Bangalore duringRabi 2010-11to find out the effect of continues applied fertilizers on maize root biomass and nutrient addition through root biomass. Long term fertilizer application showed significantly higher (12.94 q ha-1) root biomass and root length (22.35 cm) in T3which received 150 % NPK followed T8 and T10which received FYM and lime along with inorganic fertilizers showed a better results (12.65q ha-1, 12.12q ha-1 and 21.33cm, 19.73 cm, respectively). The higher major, secondary and micronutrients content in maize roots were recorded in the T3which received super optimal doses of NPK fertilizers (150 % NPK) and also in the plots which received 100 % NPK + FYM + lime, respectively over control.The higher uptake of nutrients by root biomass also showed similar results.

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