RESIDUE MANAGEMENT AND NUTRIENT DYNAMICS IN COMBINE HARVESTER OPERATED RICE FIELD AFTER RICE CULTIVA

Agricultural College and Research Institute Madurai conducted a field experiment from 2014 to 2015 to determine the best rice residue management practises and nutrient dynamics utilising a combine harvester operated rice field after rice. The experiment had five replications and was set up in a randomised block design. The treatment details are as follows: T1: Straw incorporation as such with tractor mounted half cage wheel and rotovator, T2: T1+25 kg additional dose of N/ha as a basal. T3: T1 plus the addition of biofertilizers for straw decomposition and later integration. T4: Containment (No residue). The results revealed that incorporating straw as such with a tractor-mounted half-cage wheel and rotovator, as well as adding biofertilizers for decomposition and incorporation, and then applying the full recommended dose of fertilisers (biofertilizers agents such as Pleurotus sojar caju + Ttrichoderma viride and silicate solubilizing bacteria @ 0.5 kg each t-1) resulted in the highest growth, yield attributes, grain yield, and Following that, a tractor-mounted half-cage wheel and rotovator were used to include straw as such, with a 25 kg additional dose of N ha-1 as a baseline.

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