Zoning of susceptible area to rainfed wheat in the Eastern Azerbaijan province by Geospatial analysis of GIS
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Abstract:
Wheat is strategically one of the important agricultural crops and an important part of human food. Regarding the growing number of population in the country، it is very important that we have correct information about the identification of agricultural areas to increase wheat farms and to yield more crops as well. Regarding the Dry-Farm capability of this crop، Climate condition is an important factor to study the possibility of dry -wheat cultivation. Rainfed wheat is also depend on the land surfaces، which place/area is suitable for economical cultivation. This research focused on the agro-climate zoning of rainfed wheat in eastern Azerbaijan province. In this regard we used the probability of 300 mm annual precipitation occurrence، autumn and spring rainfall، occurrence probability of appropriate temperature (8-14 T0C) for germination period of wheat، occurrence probability of daily maximum temperature of 25 and 30 T0C at flowering and nourishing stages using wheat growing requirements (including desired climatic conditions) of dry-farming wheat. Finally we applied all these factors as a GIS dataset layer and after that we used spatial analysis of GIS to identify susceptible area for rainfed wheat. Results of this study showed that climate parameters of temperature and precipitation are effective indexes in rainfed wheat cultivation. Secondary spatial analysis of GIS has a noticeable ability in reorganization suitable area for agriculture crops cultivation. In this research rainfed wheat modeled based important factors including climate، topography and soil condition and suitable area for rainfed wheat cultivation in Eastern Azerbaijan province، Iran recognized including highly suitable 1 percent، moderately suitable 12. 94 percent and marginally suitable 37. 12.
Language:
Persian
Published:
Journal of Applied Crop Research, Volume:26 Issue: 96, 2013
Page:
75
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