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Influence of Integrated Weed Management Practices on Dynamics and Weed Control Efficiency in Dry Direct Seeded Rice
KP Bhurer,DN Yadav,JK Ladha,RB Thapa,KR Pandey
Nepal Journal of Science and Technology , 2013, DOI: 10.3126/njst.v14i2.10413
Abstract: Field experiment under dry direct seeded rice(O ryza sativa L.) was conducted during rainy season of 2010 and 2011 at Regional Agriculture Research Station (RARS), Parwanipur, Bara to develop appropriate weed management practices for dry direct- seeded rice. The trial was laid-out in randomized complete block design (RCBD) and replicated thrice. Observations were taken on weed, plant growth and yield attributing, yield, and socio-economic parameters. The weed density, dry weed weight and weed control efficiency resulted significantly different as influenced by integrated weed management practices. Low weed population density, low weed index and highest weed control efficiency resulted by pendimethalin followed by 2, 4- D followed by one hand weeding were at par with weed free check. Highest yield resulted from weed free plot followed by pendimethalin followed by two hand weeding and pendimethalin followed by 2, 4- D followed by one hand weeding. However, the net return per unit investment resulted highest in pendimethalin followed by 2, 4- D followed by one hand weeding. This proved that amid increasing wage rate and labour scarcity integrated weed management through pendimethalin 30 EC (Stomp) @1 kg a. i. /ha as pre- emergence herbicide application followed by 2, 4- D sodium salt 80 WP @ 0.5 kg a. i. /ha followed by one hand weeding or stale seed bed followed by pendimethalin 30 EC (Stomp) @1 kg a. i. /ha followed by bispyribac (Nominee gold) @25 g a. i. /ha 10% @200 ml/ha at 20 days of seeding resulted best alternative for manual hand weeding practices giving higher net return per unit investment. DOI: http://dx.doi.org/10.3126/njst.v14i2.10413 ? Nepal Journal of Science and Technology Vol. 14, No. 2 (2013) 33-42
Effect of integrated weed management practices on performance of dry direct seeded rice (Oryza sativa L.)
KP Bhurer, DN Yadav, JK Ladha, RB Thapa, K Pandey
Agronomy Journal of Nepal , 2013, DOI: 10.3126/ajn.v3i0.9006
Abstract: Weeds are serious problem in dry direct seeded rice (DDSR). A field experiment was conducted during rainy seasons of 2010 and 2011 at research farm of the Regional Agricultural Research Station (RARS) Parwanipur, to study the effect of integrated weed management practices on the performance of dry direct seeded rice. Ten treatment combinations viz; weedy, weed free (weekly), Pendimethalin fb (followed by) Bispyribac, Pendimethalin fb two hand weeding, Stale seedbed fb Bispyribac, Stale seedbed fb Pendimethalin fb Bispyribac, Mulch 4 t/ha fb Bispyribac fb one hand weeding, Stale seedbed fb mulch 4 t/ha fb Bispyribac, Pendimethalin and Sesbania co-culture fb 2,4-D Na salt fb one hand weeding and Pendimethalin fb 2,4-D fb one hand weeding were tested in a randomized complete block design and replicated thrice. Observations were taken on weed, plant growth and yield attributes, yield, and socio-economic parameters. All weed control treatments significantly reduced the weed density and dry weight of weed resulting significant increase in yield of DSR over weedy check in both years. Weed free treatment resulted the highest yield, however, it was not economical due to high cost of cultivation. The use of Pendimethalin fb 2,4-D fb one hand weeding produced yield (5161 in 2010 and 6160 kg/ha in 2011) which were statistically at par with yield (5305 in 2010 and 6319 kg/ha in 2011) obtained under the weed free treatment. Further, the highest benefit cost ratio (CBR) 1.77 and 2.22 and net return Rs 47700 and 75084/ha during 2010 and 2011, respectively, were obtained under this treatment indicating its superiority over other treatments. The grain yield, yield attributing characters viz. panicles per m2, panicle weight, filled grain per panicle, thousand grain weight as influenced by different weed management practices revealed that higher yield resulted from weed free plot followed by Pendimethalin followed by two hand weeding and Pendimethalin followed by 2,4-D followed by one hand weeding. However, the net return per unit investment resulted highest in Pendimethalin followed by 2,4-D followed by one hand weeding. This proved that amid increasing wage rate and labor scarcity integrated weed management through Pendimethalin 30 EC (stomp) @ 1 kg a. i./ha as pre- emergence herbicide application followed by 2,4-D sodium salt 80 WP @ 0.5 kg a.i./ha followed by one hand weeding or stale seed bed followed by Pendimethalin 30 EC (stomp) @ 1 kg a. i./ha followed by Bispyribac (nominee gold) @ 25 g a. i./ha 10 % @ 200 ml/ha at 20 days of seeding resulted best alternative for
The brain of the common vampire bat, Desmodus rotundus murinus (Wagner, 1840): a cytoarchitectural atlas
Bhatnagar, KP.;
Brazilian Journal of Biology , 2008, DOI: 10.1590/S1519-69842008000300017
Abstract: the vampire bat, desmodus rotundus, is exceptionally agile and stealthy in nature. feeding at night on cattle blood, it is a known scourge carrying rabies. it is endowed with a very high neocortical volume among bats, acute olfactory capabilities and an accessory olfactory system. these characteristics have resulted into an impressive number of neuroanatomical investigations except a long due atlas on its brain. this study presents a cytoarchitectural atlas of the brain of the common vampire, desmodus rotundus murinus, in the frontal plane, serially between the olfactory bulb and the medulla oblongata. twenty six selected sections are presented, each separated by about 300 to 560 microns. the atlas figures show lugol fast blue-cresyl echt violet stained hemisections with their matching half in a labeled line drawing. about 595 discrete brain structures (some repeating) have been identified. this study is likely to provide the accurate localization of nuclear groups, whole structures, fiber tracts, and interconnections to facilitate future neuroanatomical and neurophysiological investigations on the vampire brain.
“Informing of the child’s understanding, influencing his heart, and directing its practice”: Jonathan Edwards on education
KP Minkema
Acta Theologica , 2011,
Abstract: This article examines the role of education in Jonathan Edwards’ life and legacy, both the education he received in early eighteenth-century New England and his activities as a teacher, among the other vocations he followed. In particular, the methods and principles he employed as a teacher, both of English and Indian children and young people, are distinctive. Next, the essay turns to some selected figures within the Edwardsean tradition to show pedagogical changes and continuities.
Risk factors for antibiotic resistance in Streptococcus pneumoniae
KP Klugman
South African Medical Journal , 2002,
Abstract:
Physical-Chemical and microbiological study of sourmilk
KP Tiku
Journal of Food Technology in Africa , 1999,
Abstract:
The Dynamics of Ethnicity in a Multicultural Society
KP Kurgatt
Journal of Language, Technology & Entrepreneurship in Africa , 2009,
Abstract: Ethnicity is sometimes one of the misunderstood cultural aspects of national heritage in Africa. The mere mention of the term ‘ethnicity' or ‘ethnic origin' is apt to elicit negative reactions, basically because only one facet is assumed, namely ‘ethnocentricity', or to use a less anodyne term, ‘tribalism'. Yet there are many other positive facets to ethnicity. For example, ethnicity can be claimed, rightly so, as one aspect of national identity, which enriches Africa's national heritage(s).This paper attempts to highlight these dynamics through analyzing how one community, namely, the Nandi, manifests its ethnicity its social construction of reality, the differences in intra-ethnic identities that separate them from their immediate ‘cousins' as well as other neighbors, namely, the Maasai and Luo and the Kenyan nation as a whole. It is hoped that the answers to the above will help us to positively harness ethnic diversity to create a multicultural society at ease with itself Journal of Language, Technology & Entrepreneurship in Africa Vol. 1 (2) 2009: pp. 90-98
Epidemiology and Antimicrobial Resistance of Enteric Pathogens in Dhahira Region, Oman
KP Prakash
Iranian Journal of Public Health , 2008,
Abstract: Background: We reviewed the monthly laboratory surveillance reports and hospital laboratory database in Dhahira region, Oman."nMethods: All patients for whom a stool sample examination request was made from 1st January 2002 to 31st December 2006 (5 years) were included in the study. Antimicrobial resistance pattern was studied for 2 years period. The cultures were done using standard laboratory procedures and antibiotic sensitivity by Kirby Bauer disc diffusion method."nResults: Of the 85,210 stool samples examined, 18% showed positive result for one or more parasitic infection. The most common were E. hystolytica (7.1%), Giardia (7.9%) and E. coli (1.9%). A total of 7,830 cultures were done, among them 11.4% showed positive result for bacterial pathogen. The most common were Salmonella (5.8%) and Shigella species (4.4%). The antimicrobial susceptibility patterns of 265 bacterial pathogens were analyzed. Of the Shigella strains, 71.8% were resistant to trimethoprim/sulphamethoxazole (SXT) and 39.4% to ampicillin and 32.4% to tetracycline. Salmonella and E. coli strains were frequently resistant to ampicillin (12.5% and 47.7%, respectively)"nConclusion: This study provides important information on the prevalence and antimicrobial resistance pattern of enteric pathogens in Dhahira region population. SXT, ampicillin, and tetracycline are the drugs commonly associated with resistance.
Gastkommentar: Philosophie der Erotik
Liessmann KP
Speculum - Zeitschrift für Gyn?kologie und Geburtshilfe , 2004,
Abstract:
Early weight bearing compared with non-weight bearing functional mobilization after operative treatment of an ankle fracture
KP Paudel
Journal of College of Medical Sciences-Nepal , 2011, DOI: 10.3126/jcmsn.v7i1.5972
Abstract: Ankle fractures are the most common types of fractures treated in orthopaedics. When to begin ankle movement and weight bearing and the type of immobilizing devices to use post-operatively have had more intense clinical study than most other aspects of ankle fracture treatment. Aim of this study is to compare the results of two functional methods of post-operative treatment in internally fixed ankle fractures, i.e. one after early weight bearing using walking plaster and the other after non-weight bearing functional mobilization in the first six weeks following stable internal fixation. This is a prospective, non-randomized study. Between March 2004 and February 2006, thirty- five patients with displaced ankle fractures treated by internal fixation were assigned in a way that every alternate patient fell in different groups. Group A patients, 17, were managed with a below-knee walking plaster and group B patients, 18 with non-weight bearing mobilization with crutches. Five patients were lost in follow up and 30 were followed regularly as in the protocol. There was a temporary benefit in subjective evaluation (63 v 48 points, student t test. P=0.262), return to work (53.8 v 72.9 days, student t test, p=0.079) for those with a below-knee walking plaster at six week. There were minimal differences between the groups in the loss of dorsal range of movement (14.7 v 13.1 degree) or in the overall clinical results at the first follow up. But the differences disappeared in any evaluation after three months. Both treatments were considered to be satisfactory and the treatment choice depends on the ability to mobilize or weight bearing, the type of work and personal preference. DOI: http://dx.doi.org/10.3126/jcmsn.v7i1.5972 JCMSN 2011; 7(1): 40-46
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