كليدواژه :
Dry farming , Cultivation colander , ايلام , باران ها , كشت گندم ديم , آب و هوا , كشت ديم , تقويم مناسب كشت , ايران , بارندگي موثر , شاخص شروع بارندگي , آب و هواشناسي كشاورزي , climate , Agro-Climatology , Effective rainfall
چكيده لاتين :
The climatic factors effective on agriculture is very important subject especially in
dry-farming conditions.
In dry farming the date of cultivation is the start of first effectiveness Autumn rainfall. For determining the most suitable cultivation time in llam provience, the investigation have done for 7 stations which have maximum coverage with 18 years daily data. The suitable time for dry-farming wheat was done by calculating 75 and 50% of probability. Based on introduced definitions the best start time for dry farming cultivation wheat in llam provience are as follow: The start of rainy time and subsequently the dry farming cultivation time is after 25ʹ of September that receives 5 millimeter rainfall if it will not be more than 15 dry days.
Based on above definition the best starting dry-farming time in llam provience is second decades of November.
The best method for maximum benefit or farming lands is a suitable farming this and also using adapting swing to climate of each region.
