A field experiment was conducted during 2001-2003 to evaluate the effect of water stress on the yield and yield components of four rice cultivars commonly grown in Mazandaran province, Iran. In northern Iran irrigated lowland rice usually experiences water deficit during the growing season include of land preparation time, planting, tillering stage, flowering and grain filing period. Recently d...

in order to evaluate the possibility and compare different irrigation methods in ricecultivation, an experiment was conducted in factorial based randomized complete blockdesign at rice research institute of iran, mazandaran (amol), during 2011. treatments weredifferent irrigation regimes including alternate wet and drying (awd), semi-dry cultivation(sdc), combining shallow water depth with wett...

it is very important to analyze the rice market structure in mazandaran province, as this province is competent to produce rice. mazandaran rice market was analyzed by completing 55 questionnaires in producer, wholesaler and retailers level, randomly in 2009. results show that marketing margins of two varieties namely- local (tarom) and multi-product- were 5850 and 3700 rials, respectively; als...

sheath blight disease, caused by rhizoctonia solani ag-1 ia, is one of the most serious fungal diseases of rice, worldwide. rice resistance is a relative phenomenon and disease response varied (due to complex quantitative inheritance and high environmental diversity), so an accurate disease assessment would be difficult. to detect a reliable reaction of rice in a high level of disease developme...