use efficiency
Radiation Use Efficiency of Cotton in Contrasting Environments
... radiation use efficiency of cotton was studied in 2006 and 2007 at Marianna, AR (Lon Mann Cotton Research Station, University of Ar- kansas) (34˚5'N, 90˚5'W) (Captina silt loam, Typical Fragiudult) and ...
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Comparative Effect of Root Pruning and Pythium irregulare on Water Use Efficiency of Wheat Under Water Stress
... Water use efficiency (WUE) is often considered an important determinant of yield under stress and even as a component of crop drought resistance (Blum ...water use or leaf transpiration will be ...
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Light Use Efficiency of Aboveground Biomass Production of Norway Spruce Stands
... Light use efficiency (LUE or photosynthetically active radiation use efficiency) in production of young spruce stands aboveground biomass was determined at the study sites Rájec (the Drahanská ...
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Exploiting genetic variation in nitrogen use efficiency
... nutrient use efficiency ...The use of optical sensors [51] and crop indices such NDVI (normalised difference vegetation index) [52] to measure canopy development and canopy nutritional status have ...
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On the use of alternative water use efficiency parameters in dryland ecosystems: a review
... When extrapolating leaf-level intrinsic WUE to the can- opy scale, Beer et al. (2009) assumed the difference between ambient and inner-leaf water vapor pressure to be the vapor pressure deficit (VPD). However, the method ...
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Phosphorus Use Efficiency and Fertilizers: future opportunities for improvements
... As well as the specific points listed above, some fundamental issues still need to be addressed. These include improved understanding of the relative roles of plants versus microbes in the cycling and the availability of ...
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Nitrogen use efficiency in Brassica napus
... Nitrogen use efficiency is defined as dry mass produced/unit of available nitrogen absorbed from the soil (Hirose, ...N use efficiency can be further split into Nitrogen uptake ...
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Improving plants' water use efficiency and potential impacts from soil structure change - research investment opportunities
... Some of the dynamic aspects of water use efficiency are more difficult to predict. For example, soil-water is conventionally thought to be completely ‘unavailable’ until it reaches a state of gravitational ...
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Evaluation of Yield, Nitrogen Use Efficiency and Radiation Use Efficiency of Wild Majoram in Response to Organic and Chemical Fertilizers
... Ameri and Nasiri (2008) with effects of nitrogen application and plant densities on flower yield, essential oils, and radiation use efficiency of Marigold (Calendula officinalis L.) revealed significant ...
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Method to increase N-use efficiency and reduce leaching
... Amethod for injecting nitrogen into the soil to increase nitrogen use efficiency and to reduce nitrogen leaching, to the forward bar member, providing a nitrogen injection tube secured t[r] ...
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Gas exchanges and water use efficiency in the selection of tomato genotypes tolerant to water stress.
... A higher instantaneous water use efficiency, observed in the wild genotype (S. pennellii), about the other treatments, is related to its low transpiration (E). Among the evaluated genotypes, UFU22/F 2 BC 1 ...
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Reviews and syntheses: Carbon use efficiency from organisms to ecosystems – definitions, theories, and empirical evidence
... Figure 5. Effect of maintenance respiration (R maintenance ) on C-use efficiency (CUE). Theoretical relations between CUE and the ratio of maintenance respiration to C uptake rate under two different ...
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Phosphorus Use Efficiency and Fertilizers: future opportunities for improvements
... Given these increases in understanding, there are two approaches that can be proposed for the improvement of soil testing in order to make better phosphorus application rate recommendations. (1) Redesign soil tests to ...
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Evaluation of cowpea genotypes for phosphorus use efficiency
... IT03K-351-1, IT 00K-901-5, IT93K-452-1 and IT98K- 1263 genotypes were more P efficient than IT97K-819- 118 and Soronko. According to Sanginga et al. (2000), genotypes which increased in shoot dry weight with increasing ...
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Optimising nutrient use efficiency in crop production
... the efficiency of this approach is poor as deficiencies of specific nutrients, such as Ca, are not prevented in this circumstance, and fertiliser use is associated with a host of adverse environmental ...
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EVALUATION OF GROUNDNUT GENOTYPES FOR PHOSPHORUS USE EFFICIENCY
... The objective of this study was to compare the differences among groundnut genotypes for growth, P uptake and phosphorus efficiency ratio (PER) (mg dry weight produc[r] ...
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Improving Irrigation Water Use Efficiency of Robusta
... Results of Tobit model of factors affecting IWUE in Robusta coffee production in Lam Dong 375. province, Vietnam, 2017[r] ...
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Screening the juvenile clones of eucalyptus tereticornis sm for water use efficiency
... carboxylation efficiency and gs ...carboxylation efficiency in the clones of Eucalyptus tereticornis and it has been reported by Sheshshayee ...carboxylation efficiency and are ideal planting stock ...
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Carbon Use Efficiency and Its Temperature Sensitivity Covary in Soil Bacteria
... IMPORTANCE Soil microbes respond to environmental change by altering how they allocate carbon to growth versus respiration— or carbon use efficiency (CUE). Ecosys- tem and Earth System models, used to project how ...
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Pathways to Reduce the Environmental Footprints of Energy Inputs in Sesame Production in Jigawa State, Nigeria
... input use and there is a common belief that productivity increase with increase use of energy ...energy use efficiency in sesame production may be improved by application of operational ...
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