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ANBAR JOURNAL OF AGRICULTURAL SCIENCES

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The effect of the organic materials addition on Azotobacter efficiency and nitrogen fixation in salinity soil

    Ali Abdul Hadi Al-Rawi

ANBAR JOURNAL OF AGRICULTURAL SCIENCES, 2010, Volume 8, Issue 4, Pages 164-171

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Abstract

Isolated 20 strains from Azotobacter bacteria that fixaion nitrogen from many soils ,the strains efficiency were tested for nitrogen fixation by cultured in nutrient media without nitrogen(Sucrose Mineral Salts) with control treatment .The strain number 13 was the higher nitro-gen fixed (0.10%) .The strain efficiency were tested in biological experiment in the soil by glasses containers contain 100 g salinity soil in each one, the organic maters added to some treatment as cow residue and the others corn residue as an energy source for bacteria .The result show high Azotobacter efficiency in nitrogen fixation in salinity soil treatment with cow residue then in soil treatment with corn residue and last the control treatment in different significant .
Keywords:
    Azotobacter efficiency nitrogen fixation soil
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(2010). The effect of the organic materials addition on Azotobacter efficiency and nitrogen fixation in salinity soil. ANBAR JOURNAL OF AGRICULTURAL SCIENCES, 8(4), 164-171.
Ali Abdul Hadi Al-Rawi. "The effect of the organic materials addition on Azotobacter efficiency and nitrogen fixation in salinity soil". ANBAR JOURNAL OF AGRICULTURAL SCIENCES, 8, 4, 2010, 164-171.
(2010). 'The effect of the organic materials addition on Azotobacter efficiency and nitrogen fixation in salinity soil', ANBAR JOURNAL OF AGRICULTURAL SCIENCES, 8(4), pp. 164-171.
The effect of the organic materials addition on Azotobacter efficiency and nitrogen fixation in salinity soil. ANBAR JOURNAL OF AGRICULTURAL SCIENCES, 2010; 8(4): 164-171.
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