搜索结果: 1-15 共查到“农学 Transpiration”相关记录27条 . 查询时间(0.078 秒)
Higher leaf nitrogen content is linked to tighter stomatal regulation of transpiration and more efficient water use across dryland trees
arid ecosystems ci/ca ratio leafδ13C leaf δ18O plant isotopic composition
2023/11/28
The least-cost economic theory of photosynthesis shows that water and nitrogen are mutually substitutable resources to achieve a given carbon gain. However, vegetation in the Sahel has to cope with th...
Analysis of Soil Water Response to Grass Transpiration
evapotranspiration root water uptake water stress function Richards’ equation preferential flow dual-permeability model lysimeter
2015/1/28
This paper focuses on numerical modelling of soil water movement in response to the root water uptake that is driven by transpiration. The flow of water in a lysimeter, installed at a grass covered hi...
Evaluation of some empirical methods of estimating potential evapo-transpiration for determination of length of growing season in a tropical wet and dry climate
Potential evapo-transpiration length of growing season
2011/1/12
A comparison of 4 empirical methods of calculating potential evapo-transpiration (PE) using climatic data for the estimation of length of growing season from rainfall – potential evapo-transpiration m...
Theoretical Analysis and Experimental Verification of a Remotely Measurable Plant Transpiration Transfer Coefficient
remote sensing sensible heat flux surface temperature
2009/9/10
The objectives of this study are to propose a remotely measurable plant transpiration transfer coefficient (hat) and to verify its characteristics under various environmental conditions. The hat is de...
Effects of Tea-Seed Saponins on the Vase Life,Hydraulic Conductance and Transpiration of Cut Rose Flowers
cut flower Rosa hybrida water relations
2009/9/9
Saponin(s) was extracted from tea seeds, and its effect on the vase life, transpiration from leaves and hydraulic conductance of stem segments in cut roses (Rosa hybrida L. cv. Sonia) were investigate...
Effect of Stirring on the Transpiration Drying of Wood Chips
ambient condition stirring transpiration drying wood chip woody biomass
2009/8/24
Periodical stirring is supposed to be an effective method for enhancing transpiration drying of wood chips. An experiment to evaluate the effect of periodical stirring was conducted using container bo...
Influences of Extractable Soil Water and Vapor Pressure Deficit on Transpiration and Staomatal Resistance in Differentially Irrigated Wheat
Drought stress Irrigation Remove sensing Stomatal resistance transpiration Vapor pressure
2009/8/6
The response of transpiration (Tr) and stomatal resistanse (rs) to extractable soil water and the vapor pressure dificit of the air was investigated over three differentially irrigated wheat plots for...
Interaction of Nitrogen Supply and Soil Water Stress on Photosynthesis and Transpiration in Rice
Nitrogen supply Oryza sativa L Photosynthesis Rice Stomata Water stress Water use efficiency
2009/8/6
The purpose of this study is to determine if there is an interaction of nitrogen nutrition and water stress on apparent photosynthesis (APS), transpiration (Tr), and water-use efficiency in rice (Oryz...
Cyclic Changes in the Photosynthetic Rate and the Transpiration Rate of Peanut Leaves
Arachis hypogaea Net photosynthetic rate Stomatal oscillation Transpiration rate
2009/8/6
Cyclic changes in the net photosynthetic rate and the transpiration rate were observed in peanut leaves. Both rates changed synchronously with a period of approximately 50 min. The variations in the c...
On Resistance to Water Transport in Crop Plants for Estimating Water Uptake Ability under Intense Transpiration
Corn Leaf xylem water potential Resistance to water transport Rice Soybean Transpiration rate
2009/8/5
Root water uptake ability is supposed to greatly affect the degree of midday depression in the photosynthetic rate of crop plants. However, there is no useful indicator for estimating it quantitativel...
Growth Response of Rice (Oryza sativa L.) to Drought:II. Varietal difference in transpiration under water stress and its related plant characteristics
Drought tolerance Humidity Leaf-water content Rice Sugar content Transpiration Varietal
2009/8/5
Transpiration of a rice plant under a low water potential of rooting medium and low air-humidity conditions was studied in order to evaluate varietal difference in response to water stress. Water stre...
Participation of Air Humidity and Water Uptake Ability in the Appearance of Cyclic Changes in the Rates of Photosynthesis and Transpiration of Peanut Plants
Air humidity Arachis hypogaea Net photosynthetic rate Stomatal oscillation Transpiration rate
2009/8/5
Factors causing the cyclic changes in the rates of net photosynthesis and transpiration of peanut plants were examined. In order to clarify the relationship between the transpiration demand and the o...
Effect of Water Supply and Defoliation on Photosynthesis, Transpiration and Yield of Soybean
Defoliation Glycine max Leaf water potential Photosynthesis Stomatal conductance
2009/8/4
While increasing leaf area increases CO2-fixing ability of plants, it also increases transpiration and may cause water deficit within a plant. This study was conducted in order to analyze the combined...
Physiological Response to Salinity in Rice Plant : I. Relationship between Na+ uptake and transpiration under different humidity and salinity conditions
CO2 diffusive resistance Ion uptake Leaf water content Na+ content
2009/8/4
Using two varieties, KR1 (salt-tolerant variety) and IR28 (salt-sensitive variety), relationship between Na+ uptake and transpiration under different humidity and salinity conditions was examined. The...
Remote and Real-Time Sensing of Canopy Transpiration and Conductance : Comparison of Remote and Stem Flow Gauge Methods in Soybean Canopies as Affected by Soil Water Status
Canopy conductance Infrared thermometry Remote sensing Soybean Stem flow gauge Transpiration Waterlogging
2009/7/31
A newly developed remote and real-time method for estimating transpiration rates and conductance of crop canopies is examined in comparison with concurrent measurements by the stem flow gauge method. ...