introduction in agricultural ecosystems, organic fertilizers play an important role in producing sustainable agricultural production. considering this sajjadi nik et al (2011) reported that with increasing of vermicompost inoculation with nitroxin biofertilizer, capsule number per sesame plant increased, so that the most of capsule number per plant (124.7) was observed in 10 t/h vermicompost wi...

introduction safflower) carthamus tinctorius l.) is a tolerant plant to water deficit due to long roots and capability for high water absorption from soil deeper parts. safflower can growth successfully in regions with low soil fertility and temperature. behdani and mosavifar (2011) reported that drought stress affect on yield by reducing yield components and agronomic traits. biofertilizer dur...

introduction castor plant, ricinus communis l. is a species of flowering plant in the spurge family; euphorbiaceae, which contains a vast number of plants mostly native to the tropics. it belongs to a monotypic genus ricinus. the name ricinus is a latin word for tick. the plant is probably named because its seed has markings and a dump at the end that resemble certain ticks (ncri, 2014). castor...