Salinity and water stress reduces the ability of plant to take up water and decrease growth rate, photosynthesis rate (An) and stomatal conductance (gs) of plants. In this study, effects of deficit irrigation with different salinity levels and planting method (in-furrow and on-ridge) as strategies for coping with water and salinity stress on physiologic properties of rapeseed was investigat...

up to now, interactions between method and amount of nitrogen fertilizers application on plant density and variety of wheat under sprinkler irrigation systems have not been studied. thus, this research was conducted during two years in esfehan region with split factorial design. the treatments of this experiment were: three fertilizers application methods (conventional manual application at the...

UNLABELLED Continence disturbances, especially fecal soiling, are difficult to treat. Irrigation of the distal part of the large bowel might be considered as a nonsurgical alternative for patients with impaired continence. PURPOSE This study is aimed at evaluating the clinical value of colonic irrigation. METHODS Thirty-two patients (16 females; median age, 47 (range, 23-72) years) were off...

Subsurface drip irrigation success depends on surpassing the backpressure obstacle, a phenomenon which occurs when water application intensity exceeds infiltration rate of soil, reduces emitter flow rate. Thus, this study aimed to determine variation, in relation surface flow, four emitters buried at two depths loam soil (Yolo Loam soil), and generated by subsurface condition. The cavity radius...

Addressing within-field and within-season variability of crop water stress is critical for spatially variable irrigation. This study measures interactions between soil properties temporally dynamics; whether modelling depletion an effective approach to guide variable-rate irrigation (VRI). Energy balance equations were used model at 85 locations within a 22 ha field winter wheat (Triticum aesti...

This paper presents the need, value, and concept of flexible irrigation water supply systems that can deliver water with flexibility in frequency, rate, and duration under the control of the farmer at the point of application using a limited rate arranged-demand or other schedule. It introduces the needed terminology including "congestion"-how much reserve time and capacity is required to assur...