Effect of Poultry Manure Rates on the Performance of Cassava/Maize/Telfairia Intercrop in Owerri, Southeastern Nigeria.
Nwaigwe, M. O.
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With the population growth in Nigeria especially in Southeastern region of Nigeria, the need to produce more sustainable food for this group became a concern. Experiments on intercropping with cassava as the base crop were conducted on the effect of poultry manure rates on the performance of Cassava/Maize/Telfairia in Owerri Southeastern Nigeria. Field experiment s were carried out in 2013 and repeated i n 2014 cropping season s at the teaching and research farm of the School of Agriculture and Agricultural Technology, Federal University of Technology Owerri, Imo State. Results indicate that intercropping Cassava/Maize, Cassava/Telfairia and Cassava/Maize/T elfairia with the application of 20t ha - 1 and 10t ha - 1 respectively were statistically significant (P < 0.05) from the sole with or without poultry manure application.Investigation however, showed that weed population was increased with increasing poultry manure rates application. On monetary returns and benefits, the application of 20t ha - 1 and 10t ha - 1 poultry manure produced high yield in the intercropping systems. They also gave higher monetary returns and benefits than the sole cropping systems as Cass ava/Maize/Telfairia with 20t ha - 1 produced N 1, 659,250 as benefit, while the same crop combination with 10t ha - 1 gave N 1, 245,100 as benefit, whereas, the highest yield of the sole cropping cassava with the application of 20t/ha poultry manure was N 938, 300 and 10t/ha gave N 739,800 benefits respectively. The sole maize cropping systems produced negative returns and did not benefit the farmer while sole Telfairia had some benefits but was not as low or negative as that of sole maize. Key words: Poul try manure rates, cassava based intercropping system in Owerr