it is essential to understand crop yield potentials and exploitable gaps to detect yield constraints of crops. yield gap analysis is a method to evaluate our systems distance from actual capability of a region to produce a given crop which will direct researches and help for cropping patterns design and programming. moreover, knowledge on a region capability could result in investigating on giv...

The present study investigates the ecological requirements of Astragalus curvirostris Boiss, with emphasis on determining factors that affect distribution plant species, and species’ response to changes in using a Generalized Additive Model (GAM) Iranian Province Zanjan from 2017 2019. Randomized-systematic sampling was used collect vegetation data. Data analysis performed SPSS17 CANOC4.5 softw...

This study was conducted to investigate the role of factors affecting utilization solar energy for sustainable rural development Zanjan Province. The statistical population in this households who used technology Province, and 210 were selected as a sample using Kerjesi & Morgan’s table. data collection tool questionnaire. face content validity questionnaire confirmed by panel experts be...

Aflatoxin M1 Assay in Milk Samples Collected from Zanjan Area's Conventional Dairy Farms throughout the Year

agriculture sector in iran and some other countries of the world has a vital role in national development. animal husbandry sub-sector needed meat of the society, creating related jobs and producing raw materials of some industries. acquiring scientific and sound information of the current situation of regions are important and imitative step in improvement program planning. the purpose of this...

a study on larval parasitoids of carob moth, ectomyelois ceratoniae zeller, in pomegranate orchards in ghale-cham, qom province and tarom-e-sofla, zanjan province was carried out in 2006-2007. two species of fly parasitoids belonging to the family tachinidae were collected and identified as fischeria bicolor robineau-desvoidy and clausicella suturata rondani. the latter species is newly recorde...

Application of mineral chemistry to mineralization and alteration evaluation in Zn-Pb Angouran deposit, Zanjan