The influence of some pesticides on soil microbial flora in relation to changes in nutrient level, rock phosphate solubilization and P release under laboratory conditions.

Taiwo LB; Oso BA

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The influence of some pesticides on soil microbial flora in relation to changes in nutrient level, rock phosphate solubilization and P release under laboratory conditions.

机译：在实验室条件下，某些农药对土壤微生物区系的影响与养分含量的变化，磷酸盐岩的增溶作用和磷的释放有关。

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Loamy sand and sand soils were treated with the pesticides atrazine, pyrethrin and a mixture of metobromuron and metolachlor for eight weeks in the laboratory to determine the effect on soil microbial populations and their mineralization activities.The changes in soil nutrients were also studied. Significant reductions in microbial populations after an initial rise, as well as in percentage carbon, nitrogen, potassium and pH were recorded in the two treated soil types. Eight bacterial isolates, two actinomycetes and five fungal species were identified in the control loamy sand soil. Marked reductions in species numbers were recorded in the treated soils as compared to the control. Compared to similar species of organisms isolated from control soils, Pseudomonas, Achromobacter, Bacillus spp., Aspergillus niger and Streptomyces sp. isolated from the treated soils released less phosphorus when inoculated into a broth containing a rock phosphate complex as the only source of P nutrition.

机译：在实验室中，用农药r去津，除虫菊酯以及间溴呋喃和甲草胺的混合物处理重质壤土和沙质土壤八周，以确定其对土壤微生物种群及其矿化活性的影响，并研究土壤养分的变化。在两种处理过的土壤类型中，初次上升后微生物种群以及碳，氮，钾和pH百分比均显着减少。在对照壤质沙土中鉴定出八种细菌分离株，两种放线菌和五种真菌。与对照相比，记录了处理过的土壤中物种数量的明显减少。与从对照土壤中分离的类似生物相比，假单胞菌，无色杆菌，芽孢杆菌，黑曲霉和链霉菌属。从处理过的土壤中分离得到的磷，接种到含有磷酸盐岩复合物作为磷素营养唯一来源的肉汤中时，释放的磷较少。

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《Agriculture, Ecosystems & Environment: An International Journal for Scientific Research on the Relationship of Agriculture and Food Production to the Biosphere》 |1997年第1期|共10页
作者
Taiwo LB; Oso BA;
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原文格式 PDF
正文语种 eng
中图分类农业科学;
关键词
nutrients; atrazine; pyrethrins; metobromuron; metolachlor; soil; microbial flora; rock phosphate; pesticides; solubilization; release; sandy soils; phosphorus; microorganisms;

机译：营养素;阿特拉津;藻丝蛋白;间溴隆;甲草胺;土壤;微生物区系;磷酸盐岩;杀虫剂;增溶作用;释放;沙土;磷;微生物;

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1. The influence of some pesticides on soil microbial flora in relation to changes in nutrient level, rock phosphate solubilization and P release under laboratory conditions. [J] . Taiwo LB, Oso BA Agriculture, Ecosystems & Environment: An International Journal for Scientific Research on the Relationship of Agriculture and Food Production to the Biosphere . 1997,第1期

机译：在实验室条件下，某些农药对土壤微生物区系的影响与养分含量的变化，磷酸盐岩的增溶作用和磷的释放有关。
2. Effect of inoculation with phosphate solubilizing fungus on growth and nutrient uptake of wheat and maize plants fertilized with rock phosphate in alkaline soils [J] . Singh Himani, Reddy M. Sudhakara European Journal of Soil Biology . 2011,第1期

机译：磷酸盐增溶菌接种对碱性土壤施磷矿的小麦和玉米植株生长和养分吸收的影响
3. Improvement of Arbuscular Mycorrhiza Development by Inoculation of Soil with Phosphate-Solubilizing Rhizobacteria To Improve Rock Phosphate Bioavailability ((sup32)P) and Nutrient Cycling. [J] . M Toro, R Azcon, J Barea Applied and Environmental Microbiology . 1997,第11期

机译：通过增溶磷酸盐的根瘤菌接种土壤来改善丛枝菌根的发育，以提高磷酸盐的生物利用度（（sup32）P）和养分循环。
4. Direct Application of Phosphate Rocks to Pastoral Soils--Phosphate Rock Reactivity and the Influence of Soil and Climatic Factors [C] . Ken Perrott International Meeting on Direct application of phosphate rock and related appropriate technology . 2003

机译：将磷酸盐直接应用于田园土壤 - 磷酸盐岩体反应性及土壤和气候因子的影响
5. Effectiveness of microbial solubilization of phosphate in enhancing plant phosphate uptake in tropical soils and assessment of the mechanisms of solubilization [D] . Osorio, Nelson Walter 2008

机译：微生物对磷的增溶作用在增加热带土壤中植物对磷的吸收中的作用及其增溶机理的评估
6. Improvement of Arbuscular Mycorrhiza Development by Inoculation of Soil with Phosphate-Solubilizing Rhizobacteria To Improve Rock Phosphate Bioavailability ((sup32)P) and Nutrient Cycling [O] . M. Toro, R. Azcon, J. Barea 1997

机译：通过增溶磷酸盐的根瘤菌接种土壤来改善丛枝菌根的发育以提高磷酸盐的生物利用度（（sup32）P）和养分循环
7. INFLUENCE OF PHOSPHATE SOLUBILIZING MICROORGANISMS ON SOIL PHOSPHORUS AVAILABLITY AND FABA BEAN YIELD UNDER CALCAREOUS SOIL CONDITIONS. [O] . Kh. H. El-Hamdi, A. A. Elnaggar, Mona A. El-Gendy 2012

机译：磷酸盐溶解微生物对钙土壤条件下土壤磷的可用性和Faba Bean产量的影响。

The influence of some pesticides on soil microbial flora in relation to changes in nutrient level, rock phosphate solubilization and P release under laboratory conditions.

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