Effects of Albizia saman (Jacq. Mull) leaf mulch on vegetative growth of maize (Zea mays L.) and soil chemical properties through biomass transfer

The study presents the effects of Albizia saman (Jacq. Mull) leaves in a biomass transfer as a source of organic fertilizer on the soil chemical properties and vegetative growth of maize (Zea mays) compared with NPK (15-15-15) in greenhouse condition. Albizia saman leaves and NPK (15-15-15) were applied at the rate of 2.5, 5.0 and 7.5 t/ha or 60, 90 and 120 kg/ha respectively, separately or in combination. The findings revealed that application of 2.5 t/ha A. saman leaves produced the maximum values for mean leaf number, leaf area and stem height (7.77, 212.24 cm2 and 49.67 cm, respectively) among the leaf much treatments but were not significantly different from those obtained by applying 90 kg/ha NPK fertilizer (7.86, 225.55 cm2 and 48.78 cm, respectively). However, the maximum number of leaf (8.4), leaf area (240.5 cm2), plant height (54.64 cm) and biomass (16.17 g) were obtained from the combination of 2.5 t/ha leaves with 90 kg/ha NPK. There was significant improvement in the soil chemical status with the application of 2.5 or 5.0 t/ha A. saman leaves whereas the application of 5.0 t/ha A. saman leaves experienced the highest value for organic carbon (3.56%), total nitrogen (0.23%) and potassium (0.16 mg/kg) and 2.5 t/ha leaves gave the highest value for available phosphorus (22.30 mg/kg). It can, therefore, be inferred that the application of 2.5 t/ha A. saman leaves as source of organic fertilizer will give a better growth of maize and the combination of this quantity with 90 kg/ha of NPK would give better results in crop yield and maintenance of soil fertility

Effects of sea water and herbicide for salt toelarnt weed mangement in turfgrass

Sea water in combination with trifloxysulfuron-sodium and quinclorac were used to observe weed injury level in turfgrass field. The weed species viz., Sporobolus diander (L.) R. Br., Croton aromaticus L., Croton rotundus and Emilia sonchifolia (L.) DC. ex Wight except Emilia atrovirens were fully controlled when treated with 3/4 recommended trifloxysulfuron-sodium with sea water, 3/4 recommended trifloxysulfuronsodium with 3/4 sea water, 1/2 recommended trifloxysulfuron-sodium with sea water, 3/4 recommended quinclorac with sea water and 3/4 recommended quinclorac with 3/4 sea water. Eragrostis atrovirens (Desf.) Trin. ex Steud. exposed maximum (48%) injury when treated with 3/4 recommended trifloxysulfuron-sodium and sea water. Paspalum vaginatum Sw. showed only 8% injury to sea water in combination with 3/4 recommended quinclorac, indicating greater salt tolerance among the three turfgrass. Zoysia japonica Steud. also exposed no more than 14% injury when treated with sea water in combination with 3/4 recommended trifloxysulfuron-sodium or quinclorac. Cynodon dactylon (L.) Pers. 'Satiri' had up to 21% salt injury with 3/4 sea water in combination with 3/4 recommended trifloxysulfuron-sodium

Phylogenetic relationships of Malayan gaur with other species of the genus Bos based on cytochrome b gene DNA sequences

The Malayan gaur (Bos gaurus hubbacki) is one of the three subspecies of gaurs that can be found in Malaysia. We examined the phylogenetic relationships of this subspecies with other species of the genus Bos (B. javanicus, B. indicus, B. taurus, and B. grunniens). The sequence of a key gene, cytochrome b, was compared among 20 Bos species and the bongo antelope, used as an outgroup. Phylogenetic reconstruction was employed using neighbor joining and maximum parsimony in PAUP and Bayesian inference in MrBayes 3.1. All tree topologies indicated that the Malayan gaur is in its own monophyletic clade, distinct from other species of the genus Bos. We also found significant branching differences in the tree topologies between wild and domestic cattle

The impact of health system governance and policy processes on health services in Iraqi Kurdistan

BACKGROUND: Relative to the amount of global attention and media coverage since the first and second Gulf Wars, very little has been published in the health services research literature regarding the state of health services in Iraq, and particularly on the semi-autonomous region of Kurdistan. Building on findings from a field visit, this paper describes the state of health services in Kurdistan, analyzes their underlying governance structures and policy processes, and their overall impact on the quality, accessibility and cost of the health system, while stressing the importance of reinvesting in public health and community-based primary care. DISCUSSION: Very little validated, research-based data exists relating to the state of population health and health services in Kurdistan. What little evidence exists, points to a region experiencing an epidemiological polarization, with different segments of the population experiencing rapidly-diverging rates of morbidity and mortality related to different etiological patterns of communicable, non-communicable, acute and chronic illness and disease. Simply put, the rural poor suffer from malnutrition and cholera, while the urban middle and upper classes deal with issues of obesity and Type 2 diabetes. The inequity is exacerbated by a poorly governed, fragmented, unregulated, specialized and heavily privatized system, that not only leads to poor quality of care and catastrophic health expenditures, but also threatens the economic and political stability of the region. There is an urgent need to revisit and clearly define the core values and goals of a future health system, and to develop an inclusive governance and policy framework for change, towards a more equitable and effective primary care-based health system, with attention to broader social determinants of health and salutogenesis. SUMMARY: This paper not only frames the situation in Kurdistan in terms of a human rights or special political issue of a minority population, but provides important generalizable lessons for other constituencies, highlighting the need for political action before effective public health policies can be implemented - as embodied by Rudolf Virchow, the father of European public health and pathology, in his famous quote "politics is nothing but medicine at a larger scale"

Antioxidant, Anti-inflammatory and Cytotoxicity of Phaleria macrocarpa (Boerl.) Scheff Fruit

<p>Abstract</p> <p>Background</p> <p><it>Phaleria macrocarpa </it>(Scheff.) Boerl (Thymelaceae) originates from Papua Island, Indonesia and grows in tropical areas. The different parts of the fruit of <it>P. macrocarpa </it>were evaluated for antioxidant, anti-inflammatory, and cytotoxic activities.</p> <p>Methods</p> <p><it>Phaleria macrocarpa </it>fruit were divided into pericarp, mesocarp and seed. All parts of the fruit were reflux extracted with methanol. The antioxidant activity of the extracts were characterized in various <it>in vitro </it>model systems such as FTC, TBA, DPPH radical, reducing power and NO radical. Anti-inflammatory assays were done by using NO production by macrophage RAW 264.7 cell lines induced by LPS/IFN-γ and cytotoxic activities were determined by using several cancer cell lines and one normal cell line</p> <p>Results</p> <p>The results showed that different parts (pericarp, mesocarp, and seed) of <it>Phaleria macrocarpa </it>fruit contain various amount of total phenolic (59.2 ± 0.04, 60.5 ± 0.17, 47.7 ± 1.04 mg gallic acid equivalent/g DW) and flavonoid compounds (161.3 ± 1.58, 131.7 ± 1.66, 35.9 ± 2.47 mg rutin equivalent/g DW). Pericarp and mesocarp showed high antioxidant activities by using DPPH (71.97%, 62.41%), ferric reducing antioxidant power (92.35%, 78.78%) and NO scavenging activity (65.68%, 53.45%). Ferric thiocyanate and thiobarbituric acid tests showed appreciable antioxidant activity in the percentage hydroperoxides inhibitory activity from pericarp and mesocarp in the last day of the assay. Similarly, the pericarp and mesocarp inhibited inducible nitric oxide synthesis with values of 63.4 ± 1.4% and 69.5 ± 1.4% in macrophage RAW 264.7 cell lines induced by LPS/IFN-γ indicating their notable anti-inflammatory potential. Cytotoxic activities against HT-29, MCF-7, HeLa and Chang cell lines were observed in all parts.</p> <p>Conclusions</p> <p>These results indicated the possible application of <it>P. macrocarpa </it>fruit as a source of bioactive compounds, potent as an antioxidant, anti inflammatory and cytotoxic agents.</p

Energy-efficient and reliable data delivery in wireless sensor networks

Clustering has been used as one of energyefficient mechanisms for data routing in wireless sensor networks. In hierarchical routing approaches, cluster heads are responsible for management (e.g. data aggregation, queries dispatch) and transmission of the collected data in the region controlled by them. For efficient data delivery, several researches have proposed various mechanisms for cluster organization and cluster head selection. However, less focus is given in the area of data transmission associated with Base Station (BS). In such a situation, any failure or packet loss may lead to considerable packet loss. For solving this problem, we propose an efficient data routing scheme for controlling data delivery from nodes to BS. In our proposed approach every node is aware about the link quality of all nodes and is able to deliver data to the BS through the most reliable and energy-efficient route

The range and diversity of providers' viewpoints towards the Iraqi primary health care system: an exploration using Q-methodology.

BACKGROUND: The increasingly recognized need for reorganizing the primary health care services in Iraq calls for a comprehensive assessment of the system to better understand its problems and needs for development. As part of such comprehensive assessment and due to the important role of primary health care providers in adopting any change, we ought to explore the range and diversity of viewpoints of primary health care providers towards the Iraqi primary health care system. METHODS: This explorative study was carried out in Erbil governorate, Iraq from May to July 2011. Data were collected from primary health care providers using Q-methodology to elicit subjective viewpoints and identify shared patterns among individuals. Forty primary health care providers representing eight primary health care centers sorted 41 statements reflecting different aspects of the Iraqi primary health care system into a distribution on a scale of nine from "disagree most" to "agree most". By-person factor analysis was used to derive latent viewpoints through centroid factor extraction and varimax rotation of factors. RESULTS: Analysis of the participants' Q-sorts resulted in four distinct viewpoints among primary health care providers toward the current primary health care system. One factor emphasized positive aspects of the current primary health care system that is content with the current primary health care system. The other three factors highlighted the negative aspects and they included (i) professionally-centered viewpoint, (ii) comprehensive perception and problem-based solutions and (iii) critical to leadership/governance aspects of the system. CONCLUSIONS: This study revealed diverse viewpoints of primary health care providers toward the current Iraqi primary health care system and recognized the particular issues related to each viewpoint. The findings can contribute to a better understanding of health policy makers and primary health care managers concerning the problems facing the primary health care system that might contribute to change in the management of this system

A review of integrated approaches for material, design and process selection and a proposal for the AM processes

The comprehensive approach to the development of a product should analysis all of the phases, from the design to the manufacturing for the selection of a good combination of materials, designs and manufacturing processes. Due to the complexity of addressing an all-inclusive problem, the decision is usually entrusted to the manufacturing engineers for which products that have producible features easily and simple geometries are desirable, even if sacrificing the component performances. However, today, Additive Manufacturing (AM) processes offer a wide degree of design freedom that allows overcoming the traditional manufacturing limitations. The aim of this paper is to provide a thorough review of the process selection (PS) approaches by taking into account manufacturing technologies in conjunction with the material and design performance. The paper attempts to provide as result a basic and generic methodology, which provides guidelines for the effective introduction of the AM processes in the process selection proble