LIBROS DEL AUTOR: mohammad ashraf bhat madan moha khan

1 resultados para LIBROS DEL AUTOR: mohammad ashraf bhat madan moha khan

mohammad ashraf bhat madan moha khan Eliminar filtro Quitar filtros
  • Silkworm Crop Protection
    Mohammad Ashraf & Bhat Madan Moha Khan
    The silkworms are susceptible to various diseases and attacked by pests and parasites. The diseases and pests together cause considerable damage to the silk industry. The diseases are caused by biological, chemical, nutritional and environmental factors. The biological factors causing diseases are viruses, bacteria, fungi , protozoa and arthropods, all of which are parasites; a...
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    89,43 €