Stanley Ubani

RUBBER RESEARCH OF NIGERIA, BENIN · Socio Economic and Statistics

In this paper, we present an efficient method of mathematical modelling for the infectious diseases on Natural Rubber using the Kermack and Mckendrick formulated SIR (SUSCEPTIBLE-INFECTIVE-RECOVERED) techniques. Firstly, we examined the spread of an epidemic disease based on compartmental structures and thereby estimated the value R0 which determin...

In this work, we study a two grid finite element methods for solving coupled partial differential equations of Time-Harmonic Maxwell's equations. A brief survey of finite element methods for Maxwell's equation and related fundamentals, such as Sobolev spaces, elliptic regularity results, finite element methods for Second order problems and its algo...

The influence of several latex yield stimulants on dry rubber content (DRC) and cup lump weight in Hevea brasieliensis was studied at Rubber Research Institute of Nigeria, Iyanomo, Benin City. The NIG 805 clone was used for the study which is grown in the clonal garden of the Institute. Four different stimulants namely: Mortex 50, Mortex 25, Vitex...

The study was aimed at determining impact of some climatic variables with rubber yield in humid lowland of southwest Nigeria. Monthly rubber yield and climatic data from 2006 to 2012 were collected from Rubber Research Institute of Nigeria main station, Iyanomo near Benin City. Data collected were analyzed using catographic techniques correlation a...

The trend and effect of promotion and sustainability of agriculture with respect to Natural Rubber (NR) production is expedient to the economic growth in Nigeria and Africa at large. The multiple regression model analysis showed that Sources of finance and other factors contributes negatively to the effect of promotion and sustainability of agricul...

Executive summary There has been drastic reduction in the involvement of smallholders in rubber production in West African countries (from 70-80% in the 1970s to less than 50% today). To revamp the production of rubber, there is need for agroforestry systems that enhance farmers' income during the gestation period and also provide a buffer against...

Decentralization of improved rubber planting material production at community level, initiated by a Rubber Agroforestry Project sponsored by the Common Fund for Commodities (CFC), has promoted the expansion of rubber plantations in Nigeria. In addition, it has reduced unemployment and increased the acreage under rubber in five participating states....

Rubber agroforestry is the integration of high-value trees, arable crops and animals into rubber plantations. The system makes maximum use of resources, and serves as a source of revenue for farmers, especially during the gestation period of rubber. The Rubber Research Institute of Nigeria (RRIN) in partnership with the World Agroforestry Centre (I...

Data collected from 120 randomly selected rubber smallholders in Edo and Delta state of Nigeria were used to study the efficiency of resource use and its implication on output and environmental degradation. Results revealed that land, hired labour, family labour, capital and planting materials were significant factors influencing the output of rubb...