This paper has been attempted to compare the effect of market sale and contract strategies on yield, using a 90 survey data from tomato farmers in Khorasan-Razavi province, Iran on 2007 and applying the game theory approach. The results showed that the effect of no-contract strategy with tomato processing factories is more than contracted strategy on tomato yield in farm level. With respect to ...

Environmental pollution is regarded as a major environmental crime in most countries; Iran no exception. This study examines water and soil polluting behavior among villagers Jimabad, Mashhad County—a rural area the Razavi Khorasan province northeastern region of Iran. A survey questionnaire was used to collect data from random sample 315 respondents population Jimabad. article reports on level...

This article provides an annotated catalog of the Symphypleona and Neelipleona (Hexapoda: Collembola) Iran based on published literature specimens recently collected from three different ecosystems in North Khorasan province (Forest, Rangeland, Agricultural) years 2018 2019. Thirty-five species seven families 17 genera are listed. Among them, Megalothorax minimus Bourletiella sp. recorded for f...

We have described a new case of accidental intestinal myiasis that had occurred due to Eristalis tenax in Iran. A 4-year-old girl living in rural area near Bajestan city located in the south of Khorasan Razavi province visited the hospital lab with complaints of one live larva in feces and did not have other symptoms, except anal itching. This case had a history of consuming subterranean villag...

Medical plants are the best source for getting treatment from various diseases. Using of natural substances with therapeutic properties has been used since ancient times. More than 500 species Aloe Vera known. This plant is native to tropical areas, including north Africa, Europe and southern part Mediterranean region. grows widely in south Iran cultured pharmaceutical uses. a structural physio...