نتایج جستجو برای: agricultural irrigations

تعداد نتایج: 102167  

Journal: :Environmental science & technology 2008
S R Yates J Knuteson F F Ernst W Zheng Q Wang

A field experiment was conducted to measure subsurface movement and volatilization of 1,3-dichloropropene (1,3-D) after shank injection to an agricultural soil. The goal of this study was to evaluate the effect of sprinkler irrigation on the emissions of 1,3-D to the atmosphere and is based on recent research that has shown that saturating the soil pore space reduces gas-phase diffusion and lea...

2017
Yong Li Shuang Wang Jiahui Yuan Weiwei Zhang

Available water resources for agricultural irrigation have decreased worldwide in recent decades, prompting advances in water saving methods. In this study, soil water regime and water balance in a transplanted rice field with reduced irrigation (multiple shallow depth irrigations) in the Taihu Lake Basin of East China were observed and then evaluated using Hydrus-1D model during two consecutiv...

Journal: :Journal of alternative and complementary medicine 2006
Douglas G Richards David L McMillin Eric A Mein Carl D Nelson

Colonic irrigations enjoy widespread popularity among alternative medicine practitioners, although they are viewed with considerable skepticism by the conventional medical community. Although proponents make claims of substantial health benefits, skeptics cite the lack of evidence for health benefits and emphasize the potential for adverse effects. Yet historically, there are clinical reports o...

Journal: :The Laryngoscope 2013
Kent Lam Bruce K Tan Jennifer M Lavin Eric Meen David B Conley

OBJECTIVES/HYPOTHESIS Sinonasal diseases are often treated with topical agents administered through various application techniques, but few prior studies have examined their distribution to the olfactory mucosa. The purpose of this study was to compare the distribution of nasal irrigations to sprays within the olfactory cleft. STUDY DESIGN Human cadaveric study. METHODS Eight cadaveric head...

Journal: :Zhonghua er bi yan hou tou jing wai ke za zhi = Chinese journal of otorhinolaryngology head and neck surgery 2013
Rong-guang Wang

We sought to explore the therapeutic potential of xylitol irrigations in treating chronic rhinosinusitis (CRS). Saline irrigation, which has been shown to be beneficial for patients with rhinosinusitis, served as an accepted standard treatment for comparison. We conducted a prospective, randomized, crossover study to compare the therapeutic value of saline versus xylitol irrigations in patients...

Journal: :Bulletin of the American Geographical Society 1905

Journal: :Journal of agricultural and food chemistry 2003
Yael G Mishael Tomas Undabeytia Onn Rabinovitz Baruch Rubin Shlomo Nir

Slow release formulations of the anionic herbicide sulfosulfuron (SFS) were prepared by incorporating it in micelles of an organic cation octadecyltrimethylammonium, which adsorb on the clay-mineral montmorillonite. The fraction of SFS adsorbed on the micelle-clay complex reached 98%, whereas for monomer-clay complexes, its adsorption was insignificant. Fluorescence studies showed surface conta...

Journal: :Turkish Journal of Agriculture: Food Science and Technology 2023

Drought is one of the most prevalent forms abiotic environmental stress that reduce crop productivity. A pot experiment was performed in two Aman seasons under drought (40% field capacity, FC) and control (100% irrigations to study tolerance mechanism(s) based on morphological physiological traits six aromatic rice genotypes. Twelve treatments (6 genotypes × 2 irrigations) were arranged Complet...

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