EFFECT OF ANIONIC HEAVY METALS ON AMMONIFICATION AND NITRIFICATION IN SOIL
スポンサーリンク
概要
- 論文の詳細を見る
Several experiments were carried out to analyze the effect of anionic heavy metals and chromium chloride on the activities of microorganisms. 1) Azotobacter and Fusarium were cultured in a liquid medium containing 5, 25, and 125 μM of each heavy metal and the changes in the optical density in relation to microbial growth were analyzed. 2) Alluvial soil containing ammonium sulfate or urea, was treated with each heavy metal at the levels of 10, 100, and 1,000 ppm. After the soil was incubated at 30℃, the process of nitrification and ammonification was analyzed by determining the content of ammonium-N and nitrite+nitrate-N. The results obtained are summarized as follows : 1) The growth of Azotobacter and Fusarium was affected by chromate at the level 25 μM and Azotobacter was affected at a level of 25 μM but only slightly that of Fusarium. Tungstate did not reduce the growth of Azotobacter at all but inhibited considerably the growth of Fusarium at a level of 5 μM. These phenomena were considered to be caused by the inhibitory effect of tungstate on the nitrate reductase activity of Fusarium. 2) Nitrification was prevented at the 10 ppm level for chromate and at the 1,000 ppm level for chromium chloride. Vanadate also affected nitrification at the 1,000 ppm level. 3) Ammonification was not affected as significantly as nitrification, but chromate reduced it at the 100 ppm level while chromium choloride affected it slightly at the 1,000 ppm level.
- 社団法人日本土壌肥料学会の論文
著者
-
TAKAHASHI Eiichi
Electrotechnical Laboratory
-
Ueda Kunio
Agricultural Department Shiga Prefectural Junior College
-
KOBAYASHI Michiharu
Faculty of Agriculture, Kyoto University
-
TAKAHASHI Eiichi
Faculty of Agriculture, Kyoto University
-
TAKAHASHI Eiichi
National Institute of Advanced Industrial Science and Technology
-
Takahashi E
Kyoto Univ. Kyoto Jpn
-
Kobayashi M
Kyoto Univ. Kyoto Jpn
-
Kobayashi Michiharu
Faculty Of Agriculture Department Of Agricultural Chemistry Kyoto University
-
Takahashi E
National Institute Of Advanced Industrial Science And Technology
-
Takahashi Eiichi
Faculty Of Agriculture Kyoto University
-
Takahashi Eiichi
Faculty Of Agriculture Department Of Agricultural Chemistry Kyoto University
関連論文
- Simulation Studies on Hydrodynamic Instabilities in Inertial Confinement Fusion
- Interferometry of KrF-Laser-Produced Plasma by Shortened Stokes Pulse
- EFFECT OF CHROMATE AND ORGANIC AMENDMENTS ON THE COMPOSITION AND ACTIVITY OF THE MICROORGANISM FLORA IN SOIL
- EFFECT OF ANIONIC HEAVY METALS ON AMMONIFICATION AND NITRIFICATION IN SOIL
- Copper Binding by the Root Cell Walls of Italian Ryegrass and Red Clover
- Simple Ultraviolet Short-Pulse Intensity Diagnostic Method Using Atmosphere
- High-Repetition-Rate Electron-Beam-Pumped KrF Laser Technology for Inertial-Fusion-Energy Drivers
- Role of Putrescine in Lemna Plants under Potassium Deficiency
- EFFECTS OF SODIUM AND POTASSIUM SALTS ON THE GROWTH OF A HALOPHYTE
- BIOASSAY OF DECOMPOSED PRODUCTS OF RAPESEED CAKE USING Lemna paucicostata 6746
- A Priority Forwarding Scheme for Real-Time Multistage Interconnection Networks and Its Evaluation (実時間処理システムとその応用論文特集)
- SILICON DEFICIENCY OF TOMATO PLANT
- EFFECT OF SILICON ON THE GROWTH OF SOLUTION-CULTURED CUCUMBER PLANT
- EFFECT OF SILICON ON THE GROWTH OF CUCUMBER PLANT IN SOIL CULTURE
- EFFECT OF SILICON ON THE GROWTH AND FRUIT PRODUCTION OF STRAWBERRY PLANTS IN A SOLUTION CULTURE
- An Additional 12% Power Reduction in Practical Digital Chips with a Low-Power Design Using Post-Fabrication Clock-Timing Adjustment
- Nanoprojection-Shaped Silicon Field Emitter as Relativistic-Electron-Beam Source for Pumping KrF Lasers : Instrumentation, Measurement, and Fabrication Technology
- Graphite-Nanofiber Field Emitter for Relativistic-Electron-Beam Sources for Pumping KrF Lasers : Surfaces, Interfaces, and Films
- EFFECT OF SILICON ON THE GROWTH OF SOYBEAN PLANTS IN A SOLUTION CULTURE
- EFFECT OF SILICIC ACID ON PHOSPHORUS UPTAKE BY RICE PLANT
- BACTERIOPHAGE OF PHOTOSYNTHETIC BACTERIUM (RHODOPSEUDOMONAS CAPSULATUS) AND PHYTOPATHOGENIC BACTERIUM (PSEUDOMONAS GLYCINEA)
- NITROGEN-FIXING MICROORGANISMS IN PADDY SOILS:VIII : Nitrogen Fixation in Mixed Culture of Photosynthetic Bacteria (Rhodopseudomonas capsulatus species) with Other Heterotrophic Bacteria (2)
- NITROGEN-FIXING MICROORGANISMS IN PADDY SOILS VII. : Products in Mixed Culture of Rhodopseudomonas capsulatus with Azotobacter vinelandii (1)
- NITROGEN-FIXING MICROORGANISMS IN PADDY SOILS : V. : Nitrogen Fixation in Mixed Culture of Photosynthetic Bacteria (Rhodopseudomonas capsulatus species) with Other Heterotrophic Bacteria (1)
- NITROGEN-FIXING MICROORGANISMS IN PADDY SOILS IV. : Nitrogen Fixation by Photosynthetic Bacteria (Rhodopseudomonas capsulatus species) under Various Conditions
- DESTRUCTION OF FECAL COLIPHAGES DURING THE COMPOSTING PROCESS OF PORCINE FECES
- Salt Stress Increases the Respiratory Cost of Nitrogen Fixation
- EFFECT OF SILICON ON THE GROWTH OF RICE PLANT AT DIFFERENT GROWTH STAGES
- EFFECT OF THE APPLICATION OF LIGNIN AND/OR CHITIN TO SOIL INOCULATED WITH Fusarium oxysporum ON THE VARIATION OF SOIL MICROFLORA AND PLANT GROWTH
- Availability of Rice Straw Si to Rice Plants
- RELEASE OF SILICON FROM RICE STRAW UNDER FLOODED CONDITIONS
- High-Repetition-Rate Electron-Beam-Pumped KrF Laser Technology for Inertial-Fusion-Energy Drivers
- NITROGEN-FIXING MICROORGANISMS IN PADDY SOILS IX. : Products in the Mixed Culture of Rhodopseudomonas capsulatus with Azotobacter vinelandii (2)
- Proton Acceleration by High-Intensity UV Laser Irradiation with Thin Foils
- A Computational Study of the Decomposition of Carbon Tetrafluoride in Wet Argon under Electron Beam Irradiation
- Effects of Laser Wavelength on Interaction of Ultrashort Intense Laser with Finite-Scale Length Dense Plasmas
- Role of Field and Electron Impact Ionization in Ionization Front Generated by an Intense Electron Beam