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Bird damage to maize crop on the Student's Research Farm at Rajendranagar, Hyderabad, Andhra Pradesh


Bird damage to maize crop on the Student's Research Farm at Rajendranagar, Hyderabad, Andhra Pradesh



Pavo 36(1-2): 77-78



This study was conducted during the 1997-98 rabi season on the Students' Research Farm, Rajendranagar, Hyderabad (Lat 17o 19' N; long 78o 23'E; altitude 543 m above MSL), Andhra Pradesh. The rose ringed parakeets (Psittacula krameri), blossom-headed parakeets (Psittacula cyanocephala), and house crows (Corvus splendens) were observed to attack the unprojected maize crop. The unprotected maize field suffered maximum damager (81%) compared with the protected field. The results of this study reveal that with protection by bird scarers a yield of 1600 kg/ha maize was obtained in the protected maize field as compared to 300 kg/ha only in the unprotected field. There was a loss of 1300 kg/ha in the total yield. The cost:benefit ratio was Rs. 1:3.

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