ﯽﺳرﺮﺑ و عﺎﺒﺷا ﻞﮔ هرﺎﺼﻋ ﯽﮑﯾﺮﺘﮑﻟا ﺖﯾاﺪﻫ ﺖﯿﻠﺑﺎﻗ ﻪﻄﺑار
ﺖﺒﺴﻧ ﺎﻫ
ي
بآ ﻪﺑ كﺎﺧ ﻒﻠﺘﺨﻣ
يدﺎﻤﺘﻋا يدﺎﻫ
،1
ﯽﻠﮔ ﻞﯿﻋﺎﻤﺳا ،*
ﯽﺑﺎﻬﺷ دﻮﻤﺤﻣ ،2
3
و11 -*
ﺪﺷرا ﯽﺳﺎﻨﺷرﺎﮐ يﻮﺠﺸﻧاد :لوﻮﺴﻣ هﺪﻨﺴﯾﻮﻧ هﺪﮑﺸﻧاد ،كﺎﺧ مﻮﻠﻋ ﻪﺘﺷر ،
يزروﺎﺸﮐ و ﻊﺑﺎﻨﻣ
،ﯽﻌﯿﺒﻃ هﺎﮕﺸﻧاد ﻖﻘﺤﻣ ﯽﻠﯿﺑدرا
Email:[email protected]
-2
مﻮﻠﻋ ، رﺎﯿﺸﻧاد
،كﺎﺧ هﺪﮑﺸﻧاد يزروﺎﺸﮐ و ﻊﺑﺎﻨﻣ ﯽﻌﯿﺒﻃ هﺎﮕﺸﻧاد ﻖﻘﺤﻣ ﯽﻠﯿﺑدرا
- 3 كﺎﺧ مﻮﻠﻋ ، رﺎﯾدﺎﺘﺳا
هﺪﯿﮑﭼ
دﻮﺟوﺎﺑ دﺮﺑرﺎﮐ هﺪﻨﯾاﺰﻓ هﺪﻨﺠﻨﺳ يﺎﻫ يرﻮﺷ ﺖﻬﺟ دروآﺮﺑ ﺖﻈﻠﻏ ﮏﻤﻧ رد ﺢﻄﺳ
،ﻪﻋرﺰﻣ زﻮﻨﻫ ﻢﻫ ﻪﯾﺰﺠﺗ ﯽﻫﺎﮕﺸﯾﺎﻣزآ
هرﺎﺼﻋ ﺎﻫ ي ﯽﺑآ كﺎﺧ لﻮﻤﻌﻣ ﺮﺗ ﯾ ﻦ شور ﯽﺑﺎﯾزرا ناﺰﯿﻣ يرﻮﺷ و تاﺮﻄﺧ هﻮﻘﻟﺎﺑ ﯽﺷﺎﻧ زا نآ ﻣ ﯽ ﺪﺷﺎﺑ فﺪﻫ و شور ﻪﺑ ﻪﺘﺴﺑ .
يﺮﯿﮔ هزاﺪﻧا ﺎﻫﺮﺘﻣارﺎﭘ
ي يرﻮﺷ نﺎﯿﺑ ياﺮﺑ ﯽﻔﻠﺘﺨﻣ هدﺎﻔﺘﺳا
ﻣ ﯽ دﻮﺷ ﯽﺧﺮﺑ ﻢﯿﻘﺘﺴﻣ يﺮﯿﮔ هزاﺪﻧا . ا زا
ﯾ ﻦ ﺎﻫﺮﺘﻣارﺎﭘ ﻣ ﯽ ﺪﻧاﻮﺗ
ﺖﻗو
،ﺮﯿﮔ ﻪﻨﯾﺰﻫﺮﭘ و مأﻮﺗ ﺎﺑ ﺎﻄﺧ ﺪﺷﺎﺑ . ﻦﯾاﺮﺑﺎﻨﺑ ﺶﻫوﮋﭘ ناﺮﮔ شﻼﺗ ﻣ ﯽ ﺪﻨﻨﮐ ﺎﺗ نآ ﺎﻫ ار زا ﯽﯾﺎﻫﺮﺘﻣارﺎﭘ ﻪﮐ
ﻞﻬﺳ ﺮﺗ ﻞﺑﺎﻗ
هزاﺪﻧا يﺮﯿﮔ
،ﺪﻨﺘﺴﻫ دروآﺮﺑ ﺪﻨﯾﺎﻤﻧ . فﺪﻫ زا ﻦﯾا
،ﺶﻫوﮋﭘ يﻮﺠﺘﺴﺟ ﻂﺑاور
هدﺎﺳ ﯽﯾا زا هدﺎﻔﺘﺳا ﺎﺑ ﻪﮐ ﺖﺳا نآ
ﺎﻫ ناﻮﺘﺑ
ﺺﺧﺎﺷ لواﺪﺘﻣ يرﻮﺷ ﯽﻤﯾﺪﺳ و ندﻮﺑ
كﺎﺧ ﺎﻫ ي ﺮﺛﺄﺘﻣ زا ﮏﻤﻧ ﻞﯿﺑدرا سﺎﻧرز ﺖﺷد ار
ﺎﺑ هدﺎﻔﺘﺳا زا ﺖﯿﻠﺑﺎﻗ ﺖﯾاﺪﻫ
ﯽﮑﯾﺮﺘﮑﻟا ﻪﺑ رﻮﻃ دﺮﮐ دروآﺮﺑ ﯽﻟﻮﺒﻗ ﻞﺑﺎﻗ ﺪﺑ.
ﯾ ﻦ داﺪﻌﺗ ،رﻮﻈﻨﻣ روآ ﻊﻤﺟ ﻪﻌﻟﺎﻄﻣ درﻮﻣ ﻪﻘﻄﻨﻣ زا كﺎﺧ ﻪﻧﻮﻤﻧ80
ي ﻣ و ﯿ ناﺰ
ردEC
و عﺎﺒﺷا ﻞﮔ هرﺎﺼﻋ ﺖﺒﺴﻧ
ﺎﻫ ي ،1:10 و1:5 /5 و بآ ﻪﺑ كﺎﺧ1:2 ﺮﮕﯾد تﺎﯿﺻﻮﺼﺧ ﺮﯾﺎﺳ
هزاﺪﻧا ﮔﯿ ﺮ ي .ﺪﺷ ﺎﺘﻧ ﯾ ﺞ
ا زا ﻞﺻﺎﺣ ﯾ ﻦ ﻘﺤﺗ ﯿ ﻖ ﺑ ﯿ ﺮﮕﻧﺎ ﯽﮕﺘﺴﺒﻤﻫ
(R2)
و عﺎﺒﺷا ﻞﮔ هرﺎﺼﻋ ﯽﮑﯾﺮﺘﮑﻟا ﺖﯾاﺪﻫ ﻦﯿﺑ ﺮﺘﺸﯿﺑ ﺖﺒﺴﻧ
ﺎﻫ ي ﻪﺑ كﺎﺧ ﻒﻠﺘﺨﻣ
بآ ﻣ ﯽ ﺪﺷﺎﺑ . ﺖﺒﺴﻧ رد هﺪﺷ يﺮﯿﮔ هزاﺪﻧا ﯽﮑﯾﺮﺘﮑﻟا ﺖﯾاﺪﻫ ﺎﺑ ﻪﺴﯾﺎﻘﻣ رد بآ ﻪﺑ كﺎﺧ1:5
ﯽﮕﺘﺴﺒﻤﻫ ﺮﮕﯾد يﺎﻫ ﺖﺒﺴﻧ
ﺎﺑ يﺮﺘﺸﯿﺑ ﺪﻫ دراد عﺎﺒﺷا ﻞﮔ هرﺎﺼﻋ ﯽﮑﯾﺮﺘﮑﻟا ﺖﯾا ﻦﯾﺮﺑﺎﻨﺑ .
ﯽﻄﺧ لﺪﻣ زا هدﺎﻔﺘﺳا ﺎﺑ
ECe=4.6EC1:5-0.9
ﺎﺑ
R² = 0.91
ﯽﻣ
ﯽﮑﯾﺮﺘﮑﻟا ﺖﯾاﺪﻫ يور زا را عﺎﺒﺷا ﻞﮔ هرﺎﺼﻋ ﯽﮑﯾﺮﺘﮑﻟا ﺖﯾاﺪﻫ ناﻮﺗ .دﺮﮐ دروآﺮﺑ ﯽﻟﻮﺒﻗ ﻞﺑﺎﻗ ﺖﻗد ﺎﺑ1:5
ژاو نﺎﮔ :يﺪﯿﻠﮐ
،عﺎﺒﺷا ﻞﮔ هرﺎﺼﻋ ،ﮏﻤﻧ زا ﺮﺛﺎﺘﻣ يﺎﻫ كﺎﺧ ﯽﮑﯾﺮﺘﮑﻟا ﺖﯾاﺪﻫ
- 1 ﻪﻣﺪﻘﻣ
يرﻮﺷ رﻮﻀﺣ ناواﺮﻓ ﯾ نﻮ ﺎﻫ ي ﯽﻧﺪﻌﻣ رد ﺖﺳا كﺎﺧ ﻪﮐ
ﺎﺑ ﺶﯾاﺰﻓا رﺎﺸﻓ يﺰﻤﺳا لﻮﻠﺤﻣ
،كﺎﺧ رد لﻼﺘﺧا بﺬﺟ
داﻮﻣ
،ﯽﯾاﺬﻏ
دﺎﺠﯾا ﺖﯿﻤﺳ ﯽﻧﻮﯾ و نزاﻮﺗ مﺪﻋ ﯽﯾاﺬﻏ
ﺮﺑ يور ﺪﺷر و دﺮﮑﻠﻤﻋ هﺎﯿﮔ ﺮﯿﺛﺄﺗ ﻣ ﯽ دراﺬﮔ . ﻪﭼﺮﮔا كﺎﺧ ﺎﻫ ي رﻮﺷ ﻪﺑ رﻮﻃ ﯽﻌﯿﺒﻃ رد
ﺖﻤﺴﻗ ﺎﻫ ي يدﺎﯾز زا ﻖﻃﺎﻨﻣ ﮏﺸﺧ و ﻪﻤﯿﻧ دﻮﺟو ﮏﺸﺧ
،ﺪﻧراد ﺎﻣا راﺪﻘﻣ يدﺎﯾز ﻢﻫ رد ﺮﺛا هﺮﻬﺑ ﺖﺳردﺎﻧ يرادﺮﺑ نﺎﺴﻧا
زا ﯽﺿارا
ﻪﺑ ترﻮﺻ ﻪﯾﻮﻧﺎﺛ دﺎﺠﯾا ﻣ ﯽ ﺪﻧدﺮﮔ ) نارﺎﮑﻤﻫ و تدﺎﯿﺳ .(1997
ﺖﯿﻠﺑﺎﻗ ﺖﯾاﺪﻫ ﯽﮑﯾﺮﺘﮑﻟا ) (EC ﯽﺼﺧﺎﺷ ﺐﺳﺎﻨﻣ رد ﯽﺑﺎﯾزرا يرﻮﺷ كﺎﺧ ﻣ ﯽ ﺪﺷﺎﺑ ) نارﺎﮑﻤﻫ و ﺪﻨﻤﻫﺮﻓ .(2012
ﺎﺑ ﻪﺟﻮﺗ
ﻪﺑ ﻦﯾا راﺰﺑا ﻪﮐ و ﻞﯾﺎﺳو
،يزوﺮﻣا نﺎﮑﻣا هزاﺪﻧا يﺮﯿﮔ
،ﻊﯾﺮﺳ و ﻖﯿﻗد ﻞﺑﺎﻗ نﺎﻨﯿﻤﻃا ﺖﯿﻠﺑﺎﻗ ﺖﯾاﺪﻫ ﯽﮑﯾﺮﺘﮑﻟا ار
رد ﻪﻋرﺰﻣ و
هﺎﮕﺸﯾﺎﻣزآ ﺮﺴﯿﻣ
هدﻮﻤﻧ ﺪﻧا ) ﻣ ﮏ ﮐﻠ ﺴ ﮑ نارﺎﮑﻤﻫ و ﯽ (،2012
تﺎﻌﻟﺎﻄﻣ ياﺮﺑ يرﺎﯿﺴﺑ ﻂﺒﺗﺮﻣ
ﻦﺘﺧﺎﺳ ﺖﯿﻠﺑﺎﻗ ﺖﯾاﺪﻫ ﯽﮑﯾﺮﺘﮑﻟا
ﺎﺑ لﻮﻠﺤﻣ ﺮﯾﺎﺳ
يﺎﻫﺮﺘﻣارﺎﭘ يرﻮﺷ
و ﻪﺼﺨﺸﻣ ﺎﻫ ي لﻮﻠﺤﻣ ﯽﯾﺎﯿﻤﯿﺷ مﺎﺠﻧا
هﺪﺷ ﺖﺳا ) نارﺎﮑﻤﻫ و عراز .(2005
زا ﻪﻠﻤﺟ
ﯽﺘﻧﺎﮑﺴﯾو نارﺎﮑﻤﻫ و
) (2004 ﻪﻄﺑار ﯽﻄﺧ ياﺮﺑ ﻦﯿﻤﺨﺗ ﺖﻈﻠﻏ حﻼﻣا ﻞﮐ ﺎﺑ هدﺎﻔﺘﺳا زا ﺖﯾاﺪﻫ ﯽﮑﯾﺮﺘﮑﻟا لﻮﻠﺤﻣ
بآ يرﻮﺷ ﺎﺑ
ﻢﮐ ﺎﺗ ﻂﺳﻮﺘﻣ ﻪﺋارا ﺪﻧدﻮﻤﻧ ) ﺖﻟو .(1989 اﺪﯿﺘﺳﺎﺑ و نارﺎﮑﻤﻫ ) (2004 ﻪﻄﺑار ا ي ﻦﯿﺑ ﺖﯾاﺪﻫ ﯽﮑﯾﺮﺘﮑﻟا ﺐﯿﮐﺮﺗ و ﯽﻧﻮﯾ ﻪﺋارا ﺪﻧدﻮﻤﻧ .
هزاﺪﻧا ﻢﻏر ﯽﻠﻋ ،عﺎﺒﺷا ﻞﮔ هرﺎﺼﻋ رد ﯽﮑﯾﺮﺘﮑﻟا ﺖﯾاﺪﻫ يﺮﯿﮔ ﻪﻨﯾﺰﻫ و ﺮﯿﮔ ﺖﻗو ،ﻪﻋرﺰﻣ ﻂﯾاﺮﺷ ﻪﺑ ﺮﺘﺸﯿﺑ ﺖﻫﺎﺒﺷ
ﯽﻣ ﺮﺑ -
،ﻞﺑﺎﻘﻣ رد .ﺪﺷﺎﺑ هزاﺪﻧا
رد ﯽﮑﯾﺮﺘﮑﻟا ﺖﯾاﺪﻫ يﺮﯿﮔ ﺖﺒﺴﻧ
بآ ﻪﺑ كﺎﺧ ﻒﻠﺘﺨﻣ يﺎﻫ ﻪﻓﺮﺻ ﻪﺑ نوﺮﻘﻣ و ﻊﯾﺮﺳ ،هدﺎﺳ
،ﺎﻣا .ﺖﺳا ﺮﺗ
ﺖﺒﺴﻧ ﻦﯾا ﺞﯾﺎﺘﻧ ﻪﻘﻄﻨﻣ ﺮﻫ ياﺮﺑ ﻪﻄﺑار ﮏﯾ ترﻮﺻ ﻪﺑ و ﯽﺳرﺮﺑ عﺎﺒﺷا ﻞﮔ هرﺎﺼﻋ ﯽﮑﯾﺮﺘﮑﻟا ﺖﯾاﺪﻫ ﺎﺑ ﺪﯾﺎﺑ ﺎﻫ
دﻮﺷ نﺎﯿﺑ . زا ﻦﯾا
،ور
ﻦﯾا ﺶﻫوﮋﭘ ﺖﺒﺴﻧ ﯽﮑﯾﺮﺘﮑﻟا ﺖﯾاﺪﻫ ﻦﯿﺑ ﻪﻄﺑار دراد ﺮﻈﻧ رد يﺎﻫ
،1:10 و1:5 /5 بآ ﻪﺑ كﺎﺧ1:2 ﻞﮔ هرﺎﺼﻋ ﯽﮑﯾﺮﺘﮑﻟا ﺖﯾاﺪﻫ ﺎﺑ
و ﯽﺳرﺮﺑ ار عﺎﺒﺷا ﻂﺑاور
هدﺎﺳ ياﺮﺑ ﻞﺑﺎﻗ دروآﺮﺑ لﻮﺒﻗ
ﺺﺧﺎﺷ لواﺪﺘﻣ يرﻮﺷ رد كﺎﺧ ﺎﻫ ي ﺮﺛﺄﺘﻣ زا ﮏﻤﻧ ﻞﯿﺑدرا سﺎﻧرز ﺖﺷد
.ﺪﯾﺎﻤﻧ ﻪﺋرا
- 2 ﺎﻫ شور و داﻮﻣ
،ﺶﻫوﮋﭘ ﻦﯾا مﺎﺠﻧا ﺖﻬﺟ ﻖﻤﻋ زا ﯽﮐﺎﺧ ﻪﻧﻮﻤﻧ80
-30 ﯽﺘﻧﺎﺳ0 ﻊﻤﺟ ﻞﯿﺑدرا سﺎﻧرز ﺖﺷد يﺮﺘﻣ .ﺪﯾدﺮﮔ يروآ
كﺎﺧ ﺎﻫ ﺲﭘ
ﮏﻟا زا ،نﺪﺷ ﮏﺸﺧ اﻮﻫ زا
،هﺎﮕﺸﯾﺎﻣزآ رد و رﻮﺒﻋ يﺮﺘﻣ ﯽﻠﯿﻣ2 ﯽﮑﯾﺮﺘﮑﻟا ﺖﯾاﺪﻫ
و هرﺎﺼﻋ ردpH و عﺎﺒﺷا ﻞﮔ
ﺖﺒﺴﻧ يﺎﻫ ،1:10
و1:5 /5 بآ ﻪﺑ كﺎﺧ1:2 هزاﺪﻧا
ﺷ يﺮﯿﮔ .ﺪ ﺖﺒﺴﻧ ﻦﯾا رد بآ و كﺎﺧ نﻮﯿﺴﻧﺎﭙﺳﻮﺳ ،ﺎﻫ
تﺪﻣ ﻪﺑ هﺎﮕﺘﺳد ﺎﺑ ﺖﻋﺎﺳ2
ﺷ ﯿ ﮑ نﺎﮑﺗ ﺮ
اﺪﺟ ژﻮﯿﻔﯾﺮﺘﻧﺎﺳ هﺎﮕﺘﺳد زا هدﺎﻔﺘﺳا ﺎﺑ و هﺪﺷ هداد ترﻮﺻ ﻊﯾﺎﻣ زﺎﻓ يزﺎﺳ
و ﺞﻨﺳ ﺖﯾاﺪﻫ ﻂﺳﻮﺗ ﯽﮑﯾﺮﺘﮑﻟا ﺖﯾاﺪﻫ و ﻂﺳﻮﺗpH
هﺎﮕﺘﺳد هزاﺪﻧا ﺮﺘﻣpH
ﺪﺷ يﺮﯿﮔ .
- 3 ﺚﺤﺑ و ﺞﯾﺎﺘﻧ
ﻪﻨﯿﺸﯿﺑ و ﻪﻨﯿﻤﮐ ﯽﮑﯾﺮﺘﮑﻟا ﺖﯾاﺪﻫ
و كﺎﺧ ي ﻪﺘﯾﺪﯿﺳا هرﺎﺼﻋ رد
عﺎﺒﺷا ﻞﮔ و ﺖﺒﺴﻧ بآ ﻪﺑ كﺎﺧ ﻒﻠﺘﺨﻣ يﺎﻫ رد
لوﺪﺟ 1 ﻪﺋارا
ﺮﺜﮐا تاﺮﯿﯿﻐﺗ ﺐﯾﺮﺿ ﯽﮔرﺰﺑ ﻪﺑ ﻪﺟﻮﺗ ﺎﺑ .ﺖﺳا هﺪﺷ وﯾ
ﮔﮋ ﯽ ﺎﻫ ﻣ ﯽ ناﻮﺗ ﻪﮐ دﺮﮐ طﺎﺒﻨﺘﺳا ﻦﯿﻨﭼ كﺎﺧ
ﺎﻫ ي عﻮﻨﺗ ياراد ﯽﺳرﺮﺑ درﻮﻣ
يدﺎﯾز ﻣ ﯽ ﺪﻨﺷﺎﺑ . داﺪﻌﺗ زا عﺎﺒﺷا ﻞﮔ ﯽﮑﯾﺮﺘﮑﻟا ﺖﯾاﺪﻫ زا ﻞﺻﺎﺣ ﺞﯾﺎﺘﻧ ﻖﺒﻃ داﺪﻌﺗ ،ﯽﮐﺎﺧ ﻪﻧﻮﻤﻧ80
زا ﻪﻧﻮﻤﻧ45 كﺎﺧ ﺎﻫ ﺮﯿﻏ
ﺮﺛﺄﺘﻣ ﺪﻧدﻮﺑ ﮏﻤﻧ زا (EC<4 ds m-1)
ﻦﯾا . كﺎﺧ ﺎﻫ لﺎﻣﺮﻧ ﯽﮑﯾﺮﺘﮑﻟا ﺖﯾاﺪﻫ .ﺪﻨﺘﺴﻫ هدﺎﻔﺘﺳا ﻞﺑﺎﻗ يزروﺎﺸﮐ ﺮﻈﻧ زا و هدﻮﺑ 17
ﻦﯿﺑ ﺰﯿﻧ ﯽﮐﺎﺧ ﻪﻧﻮﻤﻧ dS m-1
-8 ﻦﯾا ﻪﮐ دﻮﺑ4 كﺎﺧ
ﺎﻫ صﺎﺼﺘﺧا دﻮﺧ ﻪﺑ ار ﻂﺳﻮﺘﻣ يرﻮﺷ سﻼﮐ ﻣ
ﯽ ﺪﻨﻫد . رد ﻤﻧ9 ﯽﮐﺎﺧ ﻪﻧﻮ
ﻧﯿ ﺰ اﺪﻫ ﯾ ﺖ ﺤﻣ رد ﯽﮑﯾﺮﺘﮑﻟا هدوﺪ
-16 صﺎﺼﺘﺧا دﻮﺧ ﻪﺑ ار دﺎﯾز ﯽﻠﯿﺧ يرﻮﺷ سﻼﮐ ﻪﮐ دﻮﺑ ﺮﺘﻣ ﺮﺑ ﺲﻨﻤﯾز ﯽﺳد8 ﻣ
ﯽ ﺪﻫد ﻦﯾا .
كﺎﺧ ﺎﻫ ﻞﯿﻟد ﻪﺑ يزروﺎﺸﮐ ياﺮﺑ عرز و ﺖﺸﮐ ﺪﻗﺎﻓ ﺪﯾﺪﺷ ﯽﺑآ ﺶﻨﺗ و ﮏﻤﻧ دﺎﯾدزا ﻣ
ﯽ ﺪﻨﺷﺎﺑ
، ﻪﺑ رﻮﻃ ي ﻦﯾا يرادﺮﺑ ﻪﻧﻮﻤﻧ ﻦﯿﺣ ﻪﮐ
ﻣز ﯿ ﻦ ﺎﻫ .ﺪﻧﺪﺷ هﺪﻫﺎﺸﻣ ﺮﯾﺎﺑ
وﺪﺟ ل :1 زا ﯽﺧﺮﺑ تﺎﯿﺻﻮﺼﺧ يﺮﯿﮔ هزاﺪﻧا
هﺪﺷ ي ﻪﻧﻮﻤﻧ ﯽﮐﺎﺧ يﺎﻫ
ﺮﺘﻣارﺎﭘ ﺪﺣاو ﻪﻨﯿﻤﮐ ﻪﻨﯿﺸﯿﺑ ﻦﯿﮕﻧﺎﯿﻣ رﺎﯿﻌﻣ فاﺮﺤﻧا تاﺮﯿﯿﻐﺗ ﺐﯾﺮﺿ
ECe
dS m-1 /59
0 /5 42 /49 6 /09 8 /6
124
EC1:2.5
dS m-1 16
/ 0 /5 17 /76 2 /02 3 /4
109
EC1:5
dS m-1
/15 0 /16 10 /62 1 /7
1 /8
104
EC1:10
dS m-1 /06
0 /74 5 /93 0 /94 0 /77
100
pHe
-
/97 6 /39 10 /56 7 /7
0 /26
9
pH1:2.5
95 - / 6 /19 10 /26 8 /9
0 /99
10
pH1:5
- /34
6 /04 10 /28 8 /92 0 /21
11
pH1:10
- /30
6 /51 10 /56 8 /95 0 /19
11
و عﺎﺒﺷا هرﺎﺼﻋ ﯽﮑﯾﺮﺘﮑﻟا ﺖﯾاﺪﻫ ﻦﯿﺑ ﻪﻄﺑار ﺖﺒﺴﻧ
ﺎﻫ ي ﻒﻠﺘﺨﻣ - 1:10 - 1:5 /5 رد بآ ﻪﺑ كﺎﺧ1:2 رد ﯽﮐﺎﺧ ﻪﻧﻮﻤﻧ80
ﻞﮑﺷ
ﻧ1 نﺎﺸﻧ ﺞﯾﺎﺘﻧ .ﺖﺳا هﺪﺷ هداد نﺎﺸ داد
ﻫ ﻦﯿﺑ ﻪﮐ ﻪﺑ هﺪﺷ يﺮﯿﮔ هزاﺪﻧا ﯽﮑﯾﺮﺘﮑﻟا ﺖﯾاﺪ ﺖﺒﺴﻧ
ﺎﻫ ي ﯽﮑﯾﺮﺘﮑﻟا ﺖﯾاﺪﻫ ﺎﺑ ،ﻒﻠﺘﺨﻣ
ﯽﮕﺘﺴﺒﻤﻫ عﺎﺒﺷا ﻞﮔ هرﺎﺼﻋ ﻪﻄﺑار
ﯽﯾﻻﺎﺑ ﯽﻄﺧ ﯽﮕﺘﺴﺒﻤﻫ ﺐﯾﺮﺿ .دراد دﻮﺟو
(R2) ﻦﯿﺑ /86 ﺖﺒﺴﻧ ياﺮﺑ0 ﯽﻟا 1:10
/91 0
ﺖﺒﺴﻧ ياﺮﺑ .دﻮﺑ ﺮﯿﻐﺘﻣ1:5
نﺎﺸﻧ ﯽﻄﺧ ﻂﺑاور ﯽﺳرﺮﺑ ﻣ
ﯽ ﺪﻫد توﺎﻔﺘﻣ طﻮﻄﺧ ﺐﯿﺷ ﻪﮐ ﻣ
ﯽ ﺪﺷﺎﺑ ﯾا رد ﺐﯿﺷ ناﺰﯿﻣ . ﻦﯿﺑ ﻪﻄﺑار ﻦ
هرﺎﺼﻋ ﯽﮑﯾﺮﺘﮑﻟا ﺖﯾاﺪﻫ ﺖﺒﺴﻧ ﺎﺑ عﺎﺒﺷا ﻞﮔ
/5 ﺎﺑ ﺮﺑاﺮﺑ1:2 /5 ﺖﺒﺴﻧ ،2 ﺮﺑاﺮﺑ1:5
/5 ﺖﺒﺴﻧ و4 ﺮﺑاﺮﺑ1:10
/95 ﺖﺳد ﻪﺑ7 .ﺪﻣآ
بآ ﻪﺑ كﺎﺧﻒﻠﺘﺨﻣ يﺎﻫﺖﺒﺴﻧﺎﺑ ECe ﻦﯿﺑﻪﻄﺑار :2ﻞﮑﺷ
رد ﻦﯾا ﺶﻫوﮋﭘ ﻂﺑاور ﻦﯿﺑ ﺖﯾاﺪﻫ ﯽﮑﯾﺮﺘﮑﻟا هزاﺪﻧا يﺮﯿﮔ هﺪﺷ رد ﺖﺒﺴﻧ ﺎﻫ ي ﻒﻠﺘﺨﻣ كﺎﺧ ﻪﺑ بآ ﺰﯿﻧ ﯽﺳرﺮﺑ ﺪﺷ ﻞﮑﺷ) ﺑ .(2 ﺎ
ﻪﺟﻮﺗ ﻪﺑ ﺎﻫرادﻮﻤﻧ و ﻦﯿﻨﭽﻤﻫ راﺪﻘﻣ ﺐﯾﺮﺿ نﻮﯿﺳﺮﮔر ) (R2 ﻦﯿﺑ ﺖﯾاﺪﻫ ﯽﮑﯾﺮﺘﮑﻟا ﺖﺒﺴﻧ
ﺎﻫ ي ﻒﻠﺘﺨﻣ كﺎﺧ ﻪﻄﺑار يﻮﻗ ﯽﺘﺒﺜﻣ و
؛دراد دﻮﺟو ﻪﮐ
ﻦﯾا ﻪﻄﺑار ﻦﯿﺑ و1:10 زا ﺮﺘﺸﯿﺑ1:5
و1:10 /2:5 ﻦﯿﺑ دﻮﺟﻮﻣ ﻪﻄﺑار زا ﺮﺘﺸﯿﺑ ﺰﯿﻧ نآ و1 - 1:5
/2:5 ﻣ1 ﯽ ﺪﺷﺎﺑ .
) نارﺎﮑﻤﻫ و ﺰﻨﻣﻮﺳ (2008
ﯽﮕﺘﺴﺒﻤﻫ ﯽﻨﻌﻣ
يراد ار ﻦﯿﺑ ﺖﯾاﺪﻫ ﯽﮑﯾﺮﺘﮑﻟا ﺖﺒﺴﻧ
ﺎﻫ ي ﻒﻠﺘﺨﻣ كﺎﺧ و بآ و ﺖﯾاﺪﻫ ﯽﮑﯾﺮﺘﮑﻟا
هرﺎﺼﻋ ﻞﮔ عﺎﺒﺷا ﻪﺑ ﺖﺳد ﺪﻧدروآ و نﺎﯿﺑ ﺪﻧدﺮﮐ ﻪﮐ ﺎﺑ ﻦﺘﺷاد ﺖﯾاﺪﻫ ﯽﮑﯾﺮﺘﮑﻟا ﺖﺒﺴﻧ ﺎﻫ ي - 1:1 /2:5 - 1 ناﻮﺗ ﯽﻣ1:5 ﺖﯾاﺪﻫ
ﯽﮑﯾﺮﺘﮑﻟا ﻞﮔ عﺎﺒﺷا و ﺖﻈﻠﻏ يﺎﻬﻧﻮﯾ نآ ار ﻦﯿﻤﺨﺗ دز .
ﺮﮕﯾﺪﮑﯾ ﺎﺑبآ ﻪﺑ كﺎﺧ ﻒﻠﺘﺨﻣيﺎﻫﺖﺒﺴﻧECe ﻦﯿﺑﻪﻄﺑار :2ﻞﮑﺷ
- 4 ﻪﺠﯿﺘﻧ ﮔ ﯿ يﺮ
ﺞﯾﺎﺘﻧ ﻦﯾا ﺶﻫوﮋﭘ نﺎﺸﻧ ﺪﻫﺪﯿﻣ ﻪﮐ هدﺎﻔﺘﺳا زا ﺖﺒﺴﻧ كﺎﺧ1:5
ﻪﺑ بآ ﺮﻄﻘﻣ رد ﻪﺴﯾﺎﻘﻣ ﺎﺑ يﺎﻫ ﺖﺒﺴﻧ ﺮﮕﯾد
ﯽﮕﺘﺴﺒﻤﻫ يﺮﺘﺸﯿﺑ
ﺎﺑ ﺖﯾاﺪﻫ ﯽﮑﯾﺮﺘﮑﻟا هرﺎﺼﻋ
ﻞﮔ عﺎﺒﺷا دراد .
،ﻦﯾاﺮﺑﺎﻨﺑ ﺎﺑ هدﺎﻔﺘﺳا زا لﺪﻣ ﯽﻄﺧ درﻮﻣ هرﺎﺷا رد ﻦﯾا ﺶﻫوﮋﭘ ﯽﻣ ناﻮﺗ ﺖﯾاﺪﻫ
ﯽﮑﯾﺮﺘﮑﻟا هرﺎﺼﻋ ﻞﮔ عﺎﺒﺷا ار ﺎﺑ ﺖﻗد ﻞﺑﺎﻗ ﯽﻟﻮﺒﻗ ﻦﯿﻤﺨﺗ دز .دﻮﺑ ﺪﻫاﻮﺧ ﻪﻓﺮﺻ ﻪﺑ نوﺮﻘﻣ ﺰﯿﻧ ﻪﻨﯾﺰﻫ و نﺎﻣز ﺮﻈﻧ زا ﻪﮐ
هدﺎﻔﺘﺳا درﻮﻣ ﻊﺑﺎﻨﻣ
1. Bastidaa, J.A., Vela De Oro, N., and Ortiz Silla, R. 2004. Electrolytic conductivity of semiarid soils (Southeastern Spain) in relation to ion composition. Arid Land Research and Management. 18: 265-281.
2. Campbell, R.B., Bower, C.A., and Richards, A.L. 1948. Change in electrical conductivity with temperature and the relation of osmotic pressure to electrical conductivity and ion concentration for soil extracts. Soil Sci. Soc. Amer. J. 13: 66-69.
3. Farahbakhsh, M., and Towfighi, H. 1997. Relationship between electrical conductivity and total soluble salts content in salt affected soils of Iran. Iran. J. Agric. Sci. 28: 2. 87-96. (In Persian)
4. Farahmand, A., Oustan, Sh., Jafarzadeh, A.A., and Aliasgharzad, N. 2012. Salinity and Sodicity Parameters in Some Salt-Effected Soils of Tabriz Plain. Water and Soil Science. 22: 1. 1-15. (In Persian).
5. Hajrasuliha, S., Cassel, D.K., and Rezainejad, Y. 1991. Estimation of chloride ion concentration in saline soils from measurement of electrical conductivity of saturated soil extracts. Geoderma. 49: 1. 117-127.
6. Marion, G.M., and Babcock, K.L. 1976. Predicting specific conductance and salt concentration of dilute aqueous solution. Soil Science. 122: 181-187.
7. McCleskey, R.B., Nordstrom, D.K., Ryan, J.N., and Ball, J.W. 2012. A new method of calculating electrical conductivity with applications to natural waters. Geochimica et Cosmochimica Acta. 77: 369-382.
8. Ponamperuma, F.N., Tianco, E.M., and Loy, T.A. 1966. Ionic strengths of the solutions of flooded soils and other natural aqueous solutions from specific conductance. Soil Science. 102: 408-413.
9. Siadat, H., Bybordi, M., and Malakouti, M.J. 1997. Salt-affected soils of Iran: A country report. 1997.
Proceeding of International symposium on Sustainable Management of Salt Affected Soils in the Arid Ecosystem. Cairo. Egypt.
10. Visconti, R.F., de Paz Becares, J.M., Zapata Hernandez, R.D., and Sanchez Diaz, J. 2004. Development of an equation to relate electrical conductivity to soil and water salinity in a Mediterranean agricultural environment. Austr. J. Soil ReS. 42: 381-388.
11. Wolt, J.D. 1989. SOILSOLN: A program for teaching equilibria modeling of soil solution composition. J.
Agron. Edu. 18: 40-42.
Relationship between electrical conductivity of saturation past extract and different soil:water ratios
Abstract
Despite the increasing application of salinity sensors to estimate salt concentration at field level, laboratory analysis of aquatic extracts is still the most common method for assessing salinity and its potential risks. Depending on the method and purpose, various methods are used to measure salinity. Direct measurement of some of these parameters can be time consuming, costly and error-prone. Therefore, researchers are trying to estimate them from methods that are easier to measure. The purpose of this research was to find the simple relationships between conductivity of saturation past extract (ECe) and different soil:water ratios in Zarnaz plain. For this purpose, 80 soil samples were collected from the study area and pH and EC were meausered in saturation past and 1:2.5, 1:5 and 1:10 soil to water ratio extractc. The results showed a high correlation (R2) between the electrical conductivity of saturation past extract and different soil to water ratios especially EC measured in 1:5 ratio of soil to water. Therefore, using the linear model of ECe = 4.6EC1:5-0.9 with R² = 0.91, the electrical conductivity of the saturation past extract can be estimated from an electrical conductivity of 1: 5 soil to water with an acceptable accuracy.
Keywords : Soils affected by salt; saturated extract; electrical conductivity
