Bioconversion of corn stover on an industrial scale requires a safe and long-term storage method for large quantities of corn stover in order to supply biorefineries continuously year round. The ensilage process, which is a traditional crop storage method for ruminants in winter…
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Bayesian Belief Networks (BBN) are becoming more widely used in natural resource and water resources applications. The research goal was the development of a BBN model that would estimate salt loading in a river basin based on real-time data. The result is a BBN model for estima…
Fungal infection is responsible for 5 to 10% of global food losses which can be reduced by early detection of fungal infection. Conventional methods currently being used for fungal detection are time consuming and tedious. Therefore, a fast, reliable, user friendly and easily up…
This study proposed the use of two potent pollutant waste materials (cheese whey and shrimp shells) for the production of three value-added products: salts of organic acids (useful as de-icing agents), chitin (for use in the medical, biomedical and pharmaceutical industries) and…
A soil bin test facility was developed at the University of Manitoba for indoor soil dynamics studies, specifically on soil-machine interaction research in agriculture. The soil bin permitted soil-machine interaction research being studied continuously without weather interrupti…
Climate change is already affecting food security in West Africa, posing a serious threat to the agriculture--which is mainly rain-dependent. Crop models can help investigate climate-crop relationships in order to better assist farmers. In this study, we implemented AquaCrop at …
For many years, the Casamance was a self-sufficient region. Recently, this region has experienced food deficits because of the persistent drought. Given the shortage of rainfall over the last several years and the increasing accumulation of salt, the number of abandoned mangrove…
The purpose of this study was to develop a model that can allocate water between users of different areas in a large-scale irrigation project. The objective function of such a model consists of maximizing the net benefit of the project, subject to a number of constraints dependi…
Site specific farming systems have the potential to increase farmers' net income by reducing the use of agro-chemicals and applying variable rate technology for areas showing stable yield patterns. This study was designed to: (1) study yield patterns in given fields using variog…
An automated method for the simultaneous measurement of water content, soil water pressure, and soil bulk electrical conductivity in soil columns was developed based on time domain reflectometry (TDR), three wire probes and pressure transducers. Soil electrical conductivity was …
In recent years, the need for increased crop production has been accompanied by a search for improved tillage practices. Emphasis is now on tillage practices which leave crop residue on the soil surface to reduce soil erosion and to increase infiltration into the soil profile. S…
The Indus Basin Irrigation System (IBIS) irrigates 16 million ha of land in Pakistan. The irrigation water is also used for domestic consumption in rural areas and where the ground water is brackish. Many major cities and towns dispose their untreated wastewater directly into th…
The Fayoum basin of Egypt is a closed basin with a lack of natural drainage outlets. The saline drainage water disposed of and impounded into Lake Qaroun is subject to evapoconcentration. As a result of these physical and environmental constraints, water and salt management are …
A computational fluid dynamics (CFD) model was used to study natural ventilation in arid region greenhouses. Airflow, temperature and moisture distributions for naturally and fan-ventilated greenhouses, and greenhouses cooled by evaporative systems were simulated numerically and…
The residence time and residence-time distribution (RTD) of fresh and simulated particles flowing in a swept surface heat exchanger (SSHE) and holding tube were investigated. The effects of selected experimental conditions on RTD include particle shape (cube, cylinder, and spher…
Scope and method of study. Currently, Saudi Arabia faces a severe water shortage problem which has been attributed mainly to the imbalanced use of national groundwater resources especially by the agricultural sector. A linear-dynamic programming model was developed to determine …
Three empirical salinity models (designated as Models R1, R2, and MF) were examined for real time soil moisture estimation and one-time calibration of electromagnetic induction sensors using apparent soil electrical conductivity. Field data were collected at two sites representi…
Alkaloids are a valuable source of pharmaceuticals. As alkaloid producers, hairy roots show rapid growth in hormone-free medium and synthesis of alkaloids whose biosynthesis requires differentiated root cell types. Oxygen mass transfer is a limiting factor in hairy root cultures…
No current modeling tool accounts for all the necessary factors to validate a thermal process for ready-to-eat (RTE) meat and poultry; some do not address Salmonella and/or important product/process attributes, and most have not been validated against industry-relevant data. The…