نتایج جستجو برای: residue management
تعداد نتایج: 900048 فیلتر نتایج به سال:
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The year to year carry-over effects of biomass additions under different plant populations on runoff and erosion are unclear. The objective of this study was to quantify the impact of different plant populations on residue cover to elucidate the effects of residue cover on runoff and erosion. The residue management system involved shredding of corn (maize) biomass after harvest, incorporating t...
a 2-years (2007-2009) field study was carried out at the college of agriculture, shiraz university, to evaluate the influence of crop residues management and nitrogen (n) rates on soil quality and barley grain protein under dryland conditions. the experiment was conducted as strip split plot with four replications. horizontal plots were three crop residues rates (0, 750 and 1500 kg ha-1), verti...
Background: Necrotizing enterocolitis is one of the serious complications of prematurity. Eosinophilia has not been proposed as a classical laboratory abnormality in NEC. Previous studies suggest that eosinophilia during NEC may be a sign of allergic enterocolitis. Case presentation: We present a premature neonate with birth weight of 1280 grams with abdominal distention, bilious gastric resid...
Field burning of residue is a traditional management tool for irrigated wheat (Triticum aestivum L.) production in the Inland Pacific Northwest of the United States (PNW) that can result in reduced air quality. A 6-year no-till field experiment to evaluate two complete cycles of a 3-year irrigated crop rotation of winter wheat–spring barley (Hordeum vulgare L.)–winter canola (Brassica napus L.)...
in order to study the residues of phosphorous insecticides in mazandaran district of iran, ethion, azinphosmethyl, diazinon and malathion four most used pesticides were chosen and river water samples were collected in april to sept. 2000, throughout the mazandaran state. thin layer chromatography was used, since it was the best applicable method in area with reasonably high level of sensitivity...
viAcknowledgments, vAppendices, 51AppendixTable of Minimum Weights, 52Bibliography, 56Dedication, iv
در این نوشتار ابتدا به شرح تعاریف مرتبط با آلودگی هوا، انواع آلاینده ها و روش های کنترل و کاهش آلاینده های جوی پرداخته شده است و سپس در ادامه ضمن شبیه سازی انتشار آلاینده، مناسب ترین روش جهت کاهش آلاینده های واحدهای rfccمورد بحث قرار گرفته است. واحد rfcc (residue fluid catalytic cracking) پالایشگاه امام خمینی شازند از خوراک سنگین residue استفاده می کند لذا سطح آلاینده های گوگرد و نیتروژن آن با...
field experiments were conducted to determine the optimum application rate of sunn hemp crotalaria juncea leaf residue in the management of meloidogyne incognita on tomato. sunn hemp applied at rates of 0 (control), 2, 4 and 6 kg/ha showed a varied effect on second stage juveniles of m. incognita. there were no differences in plant height and stem girth. the 6 kg/ha treatment reduced the m. inc...
in recent years, there has been a growing interest among researchers to investigate the relationship betweenteacher self-efficacy and classroom behavior management, especially students misbehavior. therefore, this study aimed to comparatively investigate english and arabic teachers’ use of different behavior managementstrategies, their self-efficacy, and their success in an iranian context. th...
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