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Relationship between soil texture, mineralization rate of nitrogen, carbon and microorganisms in soil [electronic resource].

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Abdel-Aziz, N.A.M

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Language: English Summary language: Arabic Description: p.3275-3298Other title:

العلاقة مابين قوام التربة ومعدل معدنه النيتروجين والكربون والكائنات الحية الدقيقة بالتربة.‪ [Added title page title]

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Mansoura university journal of agricultural sciences, 2003 v. 28 (4) [electronic resource].

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In: Mansoura University Journal of Agricultural Sciences 2003.v.28(4)Summary: Texture affects pore space, bacteria and ·protozoan populations and their activity i n soil. The objective of this study was to test the hypothesis that protozoa grazing on bacteria increase the mineralization of bacterial C and N more in coarsetextured soils than in fine-texture soils. The microcosm experiment consisted of samples from three sterilized Silty clay (SIC); clay loam (Cl) and silty (SL) soils inoculated with pseudomonas bacteria, two treatments (with and without protozoa), and five sampling dates. The Pseudomonas population was labelled in situ by adding glucose-14C a nd K NDJ-15N (day 0 ). A species of A canthamoeba was added to the microcosms on 3rd day .

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Texture affects pore space, bacteria and ·protozoan populations and their activity i n soil. The objective of this study was to test the hypothesis that protozoa grazing on bacteria increase the mineralization of bacterial C and N more in coarsetextured soils than in fine-texture soils. The microcosm experiment consisted of samples from three sterilized Silty clay (SIC); clay loam (Cl) and silty (SL) soils inoculated with pseudomonas bacteria, two treatments (with and without protozoa), and five sampling dates. The Pseudomonas population was labelled in situ by adding glucose-14C a nd K NDJ-15N (day 0 ). A species of A canthamoeba was added to the microcosms on 3rd day .

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