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8Methods for studying the pest/yield relationship and for appraising losses due to insects and mites Methods for studying the pest/yield relationship and for appraising losses due to insects and mitesby Walker, P.T. (Centre for Overseas Pest Research, London (UK)), Chiarappa, L. (ed.)
Published 1981Texto bibliotecaFAO IT -
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11Pest control safe for bees: a manual and directory for the tropics and subtropics Pest control safe for bees: a manual and directory for the tropics and subtropicsby 40141 Adey, M., 130372 Walker, P., 130374 Walker, P.T., 12598 International Bee Research Association, Londres (RU)
Published 1986bibliotecaIICA -
12Pest control safe for bees: a manual and directory for the tropics and subtropics Pest control safe for bees: a manual and directory for the tropics and subtropicsby Adey, M. 1423211777780, International Bee Research Association, London (United Kingdom) eng 175005, Walker, P. 1423211771626, Walker, P.T. 1423211777781, Tropical Development and Research Inst. London (United Kingdom) eng 33500
Published 1986Texto bibliotecaFAO IT -
13by 130374 Walker, P.T., 12804 International Rice Research Institute, Manila (Filipinas), 35964 International Workshop on Crop Loss Assessment to Improve Pest Management in Rice and Rice-based Cropping Systems in South and Southeast Asia Manila (Filipinas) 11-17 Oct 1987
Published 1990bibliotecaIICA -
14by 130374 Walker, P.T., 12804 International Rice Research Institute, Manila (Filipinas), 35964 International Workshop on Crop Loss Assessment to Improve Pest Management in Rice and Rice-based Cropping Systems in South and Southeast Asia Manila (Filipinas) 11-17 Oct 1987
Published 1990bibliotecaIICA -
15by 130374 Walker, P.T., 12804 International Rice Research Institute, Manila (Filipinas), 35964 International Workshop on Crop Loss Assessment to Improve Pest Management in Rice and Rice-based Cropping Systems in South and Southeast Asia Manila (Filipinas) 11-17 Oct 1987
Published 1990bibliotecaIICA -
16by 130374 Walker, P.T., 12804 International Rice Research Institute, Manila (Filipinas), 35964 International Workshop on Crop Loss Assessment to Improve Pest Management in Rice and Rice-based Cropping Systems in South and Southeast Asia Manila (Filipinas) 11-17 Oct 1987
Published 1990bibliotecaIICA -
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