Climate change is expected to affect the quality of soil and water, resulting in a significant impact on water balance various regions around world. Soil potential plays role influencing evapotranspiration (ET), which crucial component balance. The matric osmotic are main components potential. particularly important dry soils, salt-affected coastal lands, or when low-quality utilized for irriga...

The different leaf water parameters, Le., totalleaf water potential (\}Jt), leaf osmotic potential at full turgor ('P S100) leaf osmotic potential at zero turgor (\PSO), relative water content at zero turgor (RWCO) and relative dry weight of the leaf (RDW) were studied during four growth stages in five varieties of sweet sorghum under various soil moisture regimes. In all the varieties, severel...

Sunmntary. Satisfactory measurements of phloem water potential of trees can be obtained with the Richards and Ogata psychrometer and the vapor equilibration techniques, although corrections for loss of dry weight and for heating by respiration are required for the vapor equilibrium values. The psychrometer technique is the more satisfactory of the 2 because it requires less time for equilibrati...

the world is facing a dwindling supply of water, therefore deficit irrigation is becoming more of a necessity than a choice. partial rootzone drying (prd) is a new water saving irrigation technique where at each irrigation time only one part of the rootzone is watered. the un-irrigated part is watered during the next irrigation. we explored the potential of prd for `petopride´ processing tomato...

Background: Sunflower (Helianthus annuus L.) is one of the important vegetable oil supplies in the world and in Iran, as well. It is classified as a drought semi-tolerant crop; however, its yield is adversely affected by drought stress. Understanding the initial events in sensing stress and the related physiologic and biochemical events thereafter, is crucial in designing droug...