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Search Results: 1 - 10 of 233242 matches for " V.T.; Cogliatti "
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Una escala alternativa para cuantificar la intensidad de la deficiencia de P en trigo
Manfreda,V.T.; Cogliatti,D.H.;
Agriscientia , 2006,
Abstract: the response of sixteen growth variables to internal p concentration were examined in wheat plants with the aim to establish the basis for an objetive qualification of p-deficiency intensity. two experiments were carried out with wheat plants grown in pots under outdoor and greenhouse conditions. in a first experiment, two wheat genotypes were used and the variables were determined at two harvest times (27 and 32 days after germination, ddg). in a second, only one genotype was used and 18 harvests were performed between 14 and 30 ddg. crítical p levels (nc) were estimated by mathematical fitting of each variable to the whole plant p-concentration. variables were ordered by 1) standarized nc, calculated as the variable nc divided by nc for whole plant biomass (ncrel), and 2) dry biomass obtained at each nc as the percentage of the dry biomass achieved at non limiting p doses (bsp%). both criteria arrived at similar variable ranks in terms of sensibility to p-stress, supporting a proposed p-stress intensity scale.
Una escala alternativa para cuantificar la intensidad de la deficiencia de P en trigo An alternative scale to evaluate intensity of P deficiency in wheat
V.T. Manfreda,D.H. Cogliatti
Agriscientia , 2006,
Abstract: Se estudiaron 16 variables relacionadas con el crecimiento según su respuesta a la concentración interna de fósforo (P) en plantas de trigo, con el propósito de establecer las bases para una calificación objetiva del grado de deficiencia de P. Se realizaron dos experimentos con plantas cultivadas en macetas con suelo, uno al aire libre y otro en invernáculo. En un experimento se usaron dos genotipos de trigo y se realizaron dos cosechas a los 27 y 32 días de la germinación (DDG), mientras que en el otro se utilizó una sola variedad y se realizaron 18 cosechas entre los 14 y los 30 DDG. Para cada variable se estimó el nivel crítico de P (NC) mediante ajuste a una función. Las variables se ordenaron según: 1) el NC relativo al estimado para la biomasa de planta entera (NCrel), y 2) la biomasa seca producida a ese NC, como porcentaje de la obtenida en niveles de P no limitantes para el crecimiento (BSp%). Ambos criterios condujeron a un ordenamiento similar de las variables según su sensibilidad a la deficiencia de P; sobre la base de ellos se propone una escala de intensidad de deficiencia de P. The response of sixteen growth variables to internal P concentration were examined in wheat plants with the aim to establish the basis for an objetive qualification of P-deficiency intensity. Two experiments were carried out with wheat plants grown in pots under outdoor and greenhouse conditions. In a first experiment, two wheat genotypes were used and the variables were determined at two harvest times (27 and 32 days after germination, DDG). In a second, only one genotype was used and 18 harvests were performed between 14 and 30 DDG. Crítical P levels (NC) were estimated by mathematical fitting of each variable to the whole plant P-concentration. Variables were ordered by 1) standarized NC, calculated as the variable NC divided by NC for whole plant biomass (NCrel), and 2) dry biomass obtained at each NC as the percentage of the dry biomass achieved at non limiting P doses (BSp%). Both criteria arrived at similar variable ranks in terms of sensibility to P-stress, supporting a proposed P-stress intensity scale.
Symbolism and material culture; Some footnotes for Penny van Esterik
V.T. King
Bijdragen tot de Taal-, Land- en Volkenkunde , 1985,
Abstract:
Developing environmental marketing strategies in the framework of forest sector enterprises social responsibility
V.T. Polovska
Marketing ì Mened?ment Innovacìj , 2012,
Abstract: The approaches and methods of social responsibility implementation for developing environmental marketing strategies are examined, environmental marketing objectives for adopting social responsibility in forest sector are determined, principles of socially responsible environmental marketing are formulated.
ADSORPTION KINETICS AND THERMODYNAMICS OF REMOVAL OF BASIC DYES BY STISHOVITE CLAY - TiO2 NANOCOMPOSITE
V. VENKATESWARAN,V.T. PRIYA
Journal of Applied Technology in Environmental Sanitation , 2012,
Abstract: A series of studies have been conducted on the removal of the basic dyes Auramine yellow and Auramine O using stishovite-TiO2 nanocomposite (NC) as an adsorbent. The batch adsorption experiments were conducted under various operating parameters like initial dye concentration, contact time, adsorbent dose, pH and temperature. The equilibrium data fitted well to the Langmuir and Freundlich isotherm equations. The adsorption efficiency, adsorption energy, adsorption capacity, intensity of adsorption and dimensionless separation factor all are calculated. The experimental data fitted very well with pseudo second order kinetic model and Elcovich model suggesting chemisorption which is confirmed by desorption studies. The adsorption also follows intraparticle diffusion model.
A Micro Analysis Of Cost And Return Of Coleus Herbal Cultivation In Tamil Nadu.
V.T. KUMAR,C. VENKATESAN
Golden Research Thoughts , 2012, DOI: 10.9780/22315063
Abstract: The Herbal plant sector has traditionally occupied an important position in social-cultural, spiritual and medicinal area of rural and tribal lives of India. In recent years, due to growing re cognition of natural products and process in sustaining human as well as environmental, importance of medicinal plants resources have increased tremendously. Cultivation of medicinal plants in wasteland can improve the ecology and economy of the area. World Health organization (WHO) has issued several sidelines pertaining to quality control, assessment of herbal medicines, programme on traditional medicine and for evaluation the safety and efficacy of herbal medicines.
The Cultivation Of Medicinal Plants Through Waste Land In Tamilnadu, Inidia
V.T. KUMAR,C. VENKATESAN
Indian Streams Research Journal , 2012,
Abstract: Through India having great biodiversity nearly 8.0%, a very large part(20.16%) of total geographical area of the country is occupied by the waste land.Adoption of inappropriate soil and crop management practices following grasslandcultivation exacerbated processes of land waste land resulting in rapid expansion of landdesertification in semi arid region of the world including India. Many medicinal plantspecies have spread globally both via intentional and carefully planned transfer and asthe unintentional outcome of people's movements
HERBAL PLANS USED BY THE PEOPLE OF PALAIYAR THENI DISTRICT OF TAMILNADU IN INDIA
C. VENKATESAN,V.T.KUMAR
Indian Streams Research Journal , 2012,
Abstract: An herbals cultivation survey was carried out in Paliyar Theni District Tamil Nadu India. For the documentation of important medicinal plants used job the treatment of rheumatison. The plants were collected according to their family the medicinal properties of plant species have made on outstanding contribution in the origin and evaluation of many traditional herbal therapies. These traditional knowledge system have started to disapper with the passage of time due to searing of written documents and relatively low income in these traditions. Over the past few years, herbal medicine in view of its lesser side effects compared to autopathic medicine in addition the necessity of meting the requirements of medicine for an increasing human population.
Traditional Medicinal Practices Of Tribal Community In Thiruvannamalai Distract, Tamil Nadu
V.T. Kumar and C. Venkatesan
Review of Research , 2012,
Abstract: In India medicinal plants are valued for cultural reasons, man-monetary utilterian purposes, (food and medicines), industrial demand and as a subset of national bio diversity wealth most people especially in rural areas depend on traditional medicines to treat many diseases. Tribal communities are mainly the forest dwellers and they acquired rich knowledge on the uses of various plant species and forest products over the centuries, moreover the majority of the tribal people are engaged in agriculture, animal husbandry, hunting, fishing technology and related activities and they often exposed to various dermatological infections such as wounds, microbial, infections, swellings, burns, from cooking and sleeping near files, scorpion, snake and insect bites an the forest lend.Therefore a need was fell to document in dept information on traditional uses of plants. The medicinal plants Board has formulated some schemes for finding the projects related to development, creating awareness about the therapeutic uses of plants, markings, and cultivation of some selected medicinal plants having assured market. The operation al guidelines for funding the project proposals for many activities have been formulated by the board.
Phytotherapy associated with Jaundice in Chitradurga District, Karnataka
V.T. HIREMATH,T.C. TARANATH
International Journal of Medicinal and Aromatic Plants , 2011,
Abstract: India has one of world’s richest medicinal plant heritages. The wealth is not only in terms of the number of unique species documented, but also in terms of the tremendous depth of traditional knowledge for the uses of human & livestock health and also for agriculture. The medicinal plant species are used by various ethnic communities for human and veterinary health care, across the various ecosystems from Ladakh in the trans-Himalayas to the southern coastal tip of Kanyakumari and from the deserts of Rajasthan and kachch to the hills of the Northeast. Chitradurga, is the central district of Karnataka state with much racial and socio-cultural diversity. Beda’s, Besthas, Gollas, lambanis, are the tribes who are intimately associated with the local forests and traditional knowledge. Local traditional healers having practical knowledge of medicinal plants either for self-medication or for treating others often visit the surrounding forests to collect plant species. The present survey was conducted to collect information about plants used to treat Jaundice in different villages of Challakere taluk of Chitradurga district. Based on personal interviews in normal discussion and observation using questionnaire during study visits, ethno botanical data viz., local name, mode of preparation, medicinal uses were collected. The traditional health healers used 28 plant species, under 24 genera and 20 families to treat Jaundice. The survey also revealed that among the different plant parts used, whole plant is frequently used in 8 species, followed by root (6 species), stem (4), leaves (3 species), flower (2 species) and bark (1 species). The investigation concluded that, there is an urgent need to assess the medicinal plant diversity and conserve the traditional knowledge by proper documentation.
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