the main purpose of this study was to analyze of communicative factors affecting in application of sustainable rice farming practices among paddy farmers of mazandaran province. the statistical population of consisted of paddy farmers of mazandaran province (n= 208839). according to cochran formula, a sample of 240 farmers was selected through cluster sampling method. to collect data, a questio...

introduction: in this study, total factor productivity growth components in rough rice production are assisting by econometric approach and stochastic frontier function during 2005-2013 for several provinces (mazandaran province, guilan province, golestan province, fars province, khoozestan province). according to food and agriculture organization statics, iran is the 3rd importer and 20th expo...

Rapeseed as one the most crops is the basic needs of human feeding in order to produce oil. A field experiment was conducted to study the effects of different tillage system, seeding method and rates on yield and its components, as well as, seed oil percentage of rapeseed (Brassica napus L. cv. Hyola-401) during 2011-12 growing season at Rice Research Institute of Iran-Department of Ma...

to evaluate the effect of growth promoting bacteria on morphophysiologic traits and nutrient uptakes of two rice cultivars, an experiment was carried out in 2009-2010 cropping season in rice researches institute of rasht. the experiment design consisted of four randomized complete blocks in a factorial arrangement having 16 treatments in 4 replications. in this research, two factors were evalua...

One of the most important factors in the development of societies, consider to traning. Identification and training needs analysis, is a prerequisite for a successful educational system and determine the training needs is considered the first step of educational planning. The purpose of this study was to investigate Educational needs of engineers, rice supervisors Engineering agricultural engin...

abstract to find out how maize and potato can grow and develop in an intercropping system rather than each grown alone in a sole cropping system the following factorial experiment was performend in the frame-work of a randomized complete block three replications in the experimental farm of the faculty of agriculture, zanjan university in year 2004. different potato to maize ratios of (1:0), i.e...