نتایج جستجو برای: available moisture

تعداد نتایج: 606467  

ژورنال: علوم آب و خاک 2014
حسام آریان‌پور, , مهدی شرفا, ,

Soil tillage changes chemical and physical properties which can change the soil available water capacity. For understanding the effect of soil disturbance in cultivated soil on available water, parameter pedotransfer functions of these soils created and their results were compared with measured available water by moisture release curves. For this purpose 54 soil samples were taken from cultiva...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده منابع طبیعی 1391

in this study, the effects of oleothermal modification on physical and mechanical peroperties of fir wood (abeis sp.) blocks were examined. at first, some blocks of fir wood with 5 × 20 × 120 cm dimensions were prepared. the blocks were treated in soybean oil. the effects of 3 factors such as treatments temperature (180and 200 °c), holding time (12 and 15 h) and initial moisture content of wood...

2011
W. Dorigo A. Gruber P. Van Oevelen W. Wagner A. Robock

In situ soil moisture measurements are invaluable for calibrating and validating land surface models and satellite-based soil moisture retrievals. On a worldwide basis the number of meteorological networks measuring soil moisture is still limited and their data lack standardization of technique and protocol. In response to this, the International Soil Moisture Network (ISMN) was initiated to se...

Journal: :Plant physiology 1951
T J Army T T Kozlowski

There is considerable disagreement as to whether or not water is equally available to plants in drying soil over the entire range from field capacity to wilting percentage. Some workers have repeatedly stated that water is equally available over this range (5, 18, 23, 24) while considerable data have accumulated which indicate that physiological processes in plants are altered as a result of de...

Journal: :Agricultural & Environmental Letters 2023

Robust assessment of crop water availability requires effective integration soil moisture data within the range field capacity (θFC) to permanent wilting point (θPWP). Emerging needs for spatiotemporally dynamic θFC and θPWP are difficult achieve with lab determinations. Therefore, we used long-term from 182 sites across United States evaluate whether extremes defined by 95th 5th percentiles re...

2001
Meena Rai Harish Padh

With the advent of our ability to clone and express a foreign gene in the heterologous host, came a remarkable capability to make almost any protein in abundant quantity to be used as therapeutic or diagnostic agents. It quickly led to the realization that proteins made in different hosts are different in many ways, particularly in their post-translation modifications. In this review a variety ...

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