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Abstract : |
A study was conducted to evaluate the performance of two multipurpose tree species (Acacia nilotica and Eucalyptus camaldulensis) were intercropped with wheat followed by Transplant aman rice in rainfed and Boro rice followed by Transplant aman rice in irrigated conditions at East Mollikpur, Dinajpur from November 1998 to November 1999. Results indicate that both the tree species were found compatible with wheat under rainfeed condition. But incase of boro rice grain yield of boro was higher in the open field than that of Agroforestry treatment. Higher T. aman yield received under the canopy of A. nilotica (2.53 t ha1) than E. camaldulensis (2.39 t ha1) in rainfed condition but in irrigated condition there was no significant difference. The overall results considering both tree performance and crop yield underneath the tree canopies indicated that growth of Acacia nilotica was not significantly affected in wet land condition and had less negative effect on crop yield than that of Eucalyptus camaldulensis as well. Therefore, considering the immediate benefit of crop yield and the long-term value added from timber and plant products, Acacia nilotica species might be more compatible with rice-wheat cropping pattern in the study area. Growing trees in cropland may serve as the best option to balance ecosystems., A study was conducted to evaluate the performance of two multipurpose tree species (Acacia nilotica and Eucalyptus camaldulensis) were intercropped with wheat followed by Transplant aman rice in rainfed and Boro rice followed by Transplant aman rice in irrigated conditions at East Mollikpur, Dinajpur from November 1998 to November 1999. Results indicate that both the tree species were found compatible with wheat under rainfeed condition. But incase of boro rice grain yield of boro was higher in the open field than that of Agroforestry treatment. Higher T. aman yield received under the canopy of A. nilotica (2.53 t ha?1) than E. camaldulensis (2.39 t ha?1) in rainfed condition but in irrigated condition there was no significant difference. The overall results considering both tree performance and crop yield underneath the tree canopies indicated that growth of Acacia nilotica was not significantly affected in wet land condition and had less negative effect on crop yield than that of Eucalyptus camaldulensis as well. Therefore, considering the immediate benefit of crop yield and the long-term value added from timber and plant products, Acacia nilotica species might be more compatible with rice-wheat cropping pattern in the study area. Growing trees in cropland may serve as the best option to balance ecosystems., |
