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| 1 | Impact of a biochar or a biochar-compost mixture on water relation, nutrient uptake and photosynthesis of Phragmites karka显示文摘Soil water and nutrient status are both of major importance for plant appearance and growth performance.The objective of this study was to understand the effect of biochar(1.5%)and a biochar-compost mixture(1.5%biochar+1.5%compost)on the performance of Phragmites karka plants grown on a synthetic nutrient-poor sandy clay soil(50% sand,30% clay,and 20% gravel).Indicators of plant performance,such as growth,lignocellulosic biomass,water status(leaf water potential,osmotic potential,and turgor potential),mineral nutrition status,leaf gas exchange,and chlorophyll fluorescence,and soil respiration(carbon dioxide(CO2)flux)were assessed under greenhouse conditions.Biochar-treated plants had higher growth rates and lignocellulosic biomass production than control plants with no biochar and no compost.There was also a significant increase in soil respiration in the treatments with biochar,which stimulated microbial interactions.The increase in soil water-holding capacity after biochar amendment caused significant improvements in plant water status and plant ion(K^+,Mg^2+,and Ca^2+)contents,leading to an increase in net photosynthesis and a higher energy-use efficiency of photosystem II.Biochar-treated plants had lower oxidative stress,increased water-use efficiency,and decreased soil respiration,and the biochar-compost mixture resulted in even greater improvements in growth,leaf turgor potential,photosynthesis,nutrient content,and soil gas exchange.Our results suggest that biochar and compost promote plant growth with respect to nutrient uptake,water balance,and photosynthetic system efficiency.In summary,both the soil amendments studied could increase opportunities for P.karka to sequester CO2 and produce more fodder bio-active compounds and biomass for bio-energy on nutrient-poor degraded soils. | Zainul ABIDEEN Hans-Werner KOYRO Bernhard HUCHZERMEYER Bilquees GUL M.Ajmal KHAN | 2020 | Pedosphere2020，30，4： | 4 |
| 2 | Estimate of oxygen consumption and intracellular zinc concentration of human spermatozoa in relation to motility显示文摘Aim:To investigate the human sperm oxygen/energy consumption and zinc content in relation to motility.Methods:In washed spermatozoa from 67 ejaculates,the oxygen consumption was determined.Following calculation of the total oxygen consumed by the Ideal Gas Law,the energy consumption of spermatozoa was calculated.In addition,the zinc content of the sperm was determined using an atomic absorption spectrometer.The resulting data were correlated to the vitality and motility.Results:The oxygen consumption averaged 0.24μmol/10^6 sperm×24h,0.28μmol/10^6 live sperm×24h and 0.85μmol/10^6 live & motile sperm×24h.Further calculations revealed that sperm motility was the most energy consuming process(164.31mJ/10^6 motile spermatozoa×24h),while the oxygen consumption of the total spermatozoa was 46.06mJ/10^6 spermatozoa ×24h.The correlation of the oxygen/energy consumption and zinc content with motility showed significant negative correlations(r=-0.759;P<0.0001 and r=-0.441;P<0.0001,respectively).However,when correlating sperm energy consumption with the zinc content,a significant positive relation(r=0.323;P=0.01)was observed.Conclusion:Poorly motile sperm are actually wasting the available energy.Moreover,our data clearly support the “Geometric Clutch Model”of the oneme function and demonstrate the importance of the outer dense fibers for the generation of sperm motility,especially progressive motility. | Ralf R.Henkel Kerstin Defosse Hans-Wilhelm Koyro Norbert Weissmann Wolf-Bernhard Schill | 2003 | Asian Journal of Andrology2003，5，1： | 2 |
| 3 | Phytodesalination of a salt-affected soil with the halophyte Sesuvium portulacastrum L. to arrange in advance the requirements for the successful growth of a glycophytic crop显示文摘 | Mokded Rabhi Siwar Ferchichi Jihène Jouini Mohamed Hédi Hamrouni Hans-Werner Koyro Annamaria Ranieri Chedly Abdelly Abderrazak Smaoui | 2010 | Bioresource Technology2010，，17： | 1 |
| 4 | Effect of salinity on growth, photosynthesis, water relations and solute composition of the potential cash crop halophyte Plantago coronopus 显示文摘 | Koyro HW | 2006 | Environmental and Experimental Botany2006，56，： | 1 |
| 5 | Photosynthetic and growth responses of a perennial halophytic grass Panicum turgidum to increasing NaC1 concentrations显示文摘 | Koyro H W Hussain T Huchzermeyer B Khan M A | 2013 | Environmental & Experimental Botany2013，91，91： | 1 |
| 6 | Compartmental nitrate concentrations in barley root cells measured with nitrate-selective microelectrodes and by single-cell sap sampling显示文摘 | Zhen R G Koyro H W Leigh R A | 1991 | Planta1991，185，： | 1 |
| 7 | Effect of salinity on composition, viability and germination of seeds of Chenopodium quinoa Willd 显示文摘 | Koyro H W Eisa S S | 2008 | Plant Soil2008，302，： | 1 |
| 8 | Comparison of two chickpea varieties regarding their re- sponses to direct and induced Fe dificiency 显示文摘 | Henda Mahmoudi Hans-Wemer Koyro Ahmed Debez et a/ | 2009 | Environmental and experimental botany2009，66，3： | 1 |
| 9 | Effect of salinity on composi- tion, viability and germination of seeds of Chenopodium quinoa Willd显示文摘 | KOYRO H W EISA S S | 2008 | Plant Soil2008，302，12： | 1 |
| 10 | Effect of salinity on composition,via- bility and germination of seeds of Chenopodium quinoa Willd显示文摘 | Koyro H W Eisa S S | 2008 | Plant Soil2008，302，： | 1 |
| 11 | Influence of macrophage migration inhibitory factor (MIF)on the zinc contentand redox state of protein-boundsulphydryl groups in rat sperm: indications for a new role of MIF in spermmaturation显示文摘 | Eickhoff R Baldauf C Koyro HW | 2004 | Mol Hum Reprod2004，110，8： | 1 |
| 12 | Compartmental nitrate concentrations in barley root cells measured with nitrate-selective microelectrodes and by single-cell sap sampling显示文摘 | Zhen R G Koyro H W Leigh R A etal | 1991 | Planta1991，185，： | 1 |
| 13 | Efect of salinity on growth,photosynthesis,water relations and solute composition ofthepotential cash crop halophyte Planto coronopus显示文摘 | Koyro HW | 2006 | Environmental and Experimental Botany2006，，56： | 1 |
| 14 | Relationship be- tween the photosynthetic activity and the performance of Cakile maritima after long-term salt treatment显示文摘 | Debez A Koyro H W Grignon C | 2008 | Phys- iologia Plantarum2008，133，： | 1 |
| 15 | Apoplastic accumulation of iron in the epidermis of maize (Zea mays) roots grown in calcareous soil显示文摘 | KOSEGARTEN H KOYRO H W | 2001 | Physiologia-Plantarum2001，113，4： | 1 |
| 16 | Effect of salinity on growth, photosynthesis, water relations and solute composition of the potential cash crop halophyte显示文摘 | Koyro H W | 2006 | Environmental and Experimental Botany2006，56，： | 1 |
| 17 | Effect of salinity on composition, viability and germination of seeds of Chenopodium quinoa Willd显示文摘 | Koyro H K Eisa S S | 2008 | Plant Soil2008，，302： | 1 |
| 18 | Compartmental nitrate concentrations in barley root cells measured with nitrate selective microelectrodes and by single cell sap sampling 显示文摘 | Zhen R G Koyro H W Leigh R A | 1991 | Planta1991，185，： | 1 |
| 19 | 2009, Interactive effects of NaClsalinity and elevated atmospheric CO2 concentration on growth, photosynthesis, water relations and chemical composition of the potential cash crop halophyte Aster tripolium L 显示文摘 | GEISSLER N HUSSIN S KOYRO H W | 2009 | Environmental and Experimental Botany2009，65，2： | 1 |
| 20 | Compartmental nitrate concentrations in barley root cells measured with nitrate-selective microelectrodes and by single-cell sap sampling显示文摘 | Zhen R G Koyro H W Leihg R A | 1991 | Planta1991，185，： | 1 |
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