نتایج جستجو برای: matric potential

تعداد نتایج: 1068168  

Journal: :Journal of rock mechanics and geotechnical engineering 2021

To better understand the salinity effect on compaction behaviour of soil, standard Proctor test was conducted soil samples with different salinities. Matric suction and small-strain shear modulus, Gmax, were determined pore size distribution also investigated statically compacted at water contents. Results showed that decrease from initial value 2.1‰ (g salt/kg dry soil) to zero, maximum densit...

Journal: :journal of agricultural science and technology 2010
a. keyhani

to measure soil water content (or soil matric suction) in thin layers of about 30mm, conventional gypsum blocks are not suitable. to carry out the task, mini-gypsum blocks were constructed using plaster of paris in an innovative fashion. a power relationship was found between the soil water content and the mini-gypsum blocks’ readings in kω. the calibration results showed that readings of m...

Journal: :Journal of rainwater catchment systems 2021

The objective of this study was to evaluate the ability a hand-held near-infrared (NIR) sensor and water absorption index estimate content in intact eggplant leaves using pot experiment. NIR spectroscopy sin-gle wavelength (1940 nm) has already been used detached samples laboratory. However, it is not known whether method can be living plants. Therefore, we attempted compare with destructive by...

Journal: :Geoderma 2021

An increasing number of studies around the world are showing that a long-held assumption rock fragments (RFs) inert with respect to water retention is incorrect. Yet very few pedotransfer functions (PtFs) account for held by RFs or effect have on fine earth. The PtFs incorporate content (WC) relied upon measurement methods may not be representative field conditions. This indicates gap in resear...

Journal: :Bulletin of the American Mathematical Society 1931

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