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Reduction of Mn toxicity to soybean by Bradyrhizobium japonicum [electronic resource].

By:

Nour El-Dein, M

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Language: English Summary language: Arabic Description: p.5005-5019Other title:

اختزال سمية لنبات فول الصويا باستخدام ريزوبيا لبريدي ريزوبيم جابونيكوم [Added title page title]

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Mansoura University journal of agricultural sciences, 2003 v. 28 (6) [electronic resource].

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In: Mansoura University Journal of Agricultural Sciences 2003.v.28(6)Summary: Two preliminary experiments were conducted to investigate the effect of Mn concentrations on the performance of soybean in two different soil types induced activation and those which are harmful to soybean plants and Bradyrhizobium japonicum cells in the first experiment sequential concentrations of Mn (from zero to 500 ppm) to clay soil planted with soybean in small pots. The second one carried out oy addition of some selected Mn concentraticm!' reslJlted from the first experiment (zero, 100, 500, 1000.2500,3000 and 5000 ppm) to flasks containing yeast mannitol medium, then inoculated with Bradyrhizobium japonicum (St 110) cells. In the main pot experiment clay and calcareous soils were used. A sequential concentrations of Mn were added to both soils (zero, 300.500, 1000 and 2000 ppm) in presence or absence of rhizobial inoculation.

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Two preliminary experiments were conducted to investigate the effect of Mn concentrations on the performance of soybean in two different soil types induced activation and those which are harmful to soybean plants and Bradyrhizobium japonicum cells in the first experiment sequential concentrations of Mn (from zero to 500 ppm) to clay soil planted with soybean in small pots. The second one carried out oy addition of some selected Mn concentraticm!' reslJlted from the first experiment (zero, 100, 500, 1000.2500,3000 and 5000 ppm) to flasks containing yeast mannitol medium, then inoculated with Bradyrhizobium japonicum (St 110) cells. In the main pot experiment clay and calcareous soils were used. A sequential concentrations of Mn were added to both soils (zero, 300.500, 1000 and 2000 ppm) in presence or absence of rhizobial inoculation.

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