Volume 2, Issue 3 (2007) | American Journal of Agricultural and Biological Sciences

Evaluation of Nitrogen and Potassium Uptake and Efficiency of Two Rice Varieties Cultivated on an Acid Soil

Shajarutulwardah Mohd Yusob — 2007-09-30

American Journal of Agricultural and Biological Sciences, Published online: 30 September 2007; doi:10.3844/ajabssp.2007.130.135

A pot study was carried with the following objectives: (i) To investigate N and K uptake of MR 220 and ARC 2 rice varieties grown on Bekenu series (Tipik Tualemkuts), and (ii) To investigate N and K u...

Stomatal Resistance to Low Leaf Water Potential at Different Growth Stages Affects Plant Biomass in Glycine max L.

F.B. Adejare — 2007-09-30

American Journal of Agricultural and Biological Sciences, Published online: 30 September 2007; doi:10.3844/ajabssp.2007.136.141

Two cultivars of Glycine max (L) Merril. (TGX536-02D and TGX 923-2E designated cv.A and cv.B respectively), were subjected to water stress for a period of 7 days at the vegetative (T2), flowering/frui...

Evaluation of the Upland Weed Control Potentiality of Green Tea Waste-Rice Bran Compost and Its Effect on Spinach Growth

M.A.I. Khan — 2007-09-30

American Journal of Agricultural and Biological Sciences, Published online: 30 September 2007; doi:10.3844/ajabssp.2007.142.148

This study evaluated the upland weed control potentiality, germination inhibition ability and growth suppression efficiency of the five combinations of green tea waste - rice bran compost (GRC). GRC w...

An in vitro Permeation of Phyllanthus amarus Extract Through Human and Shed Snake Skins

Aroonsri Priprem — 2007-09-30

American Journal of Agricultural and Biological Sciences, Published online: 30 September 2007; doi:10.3844/ajabssp.2007.149.152

An in vitro permeation of a hydroalcoholic extract of Phyllanthus amarus (PaE) was investigated using excised human epidermis and shed king cobra skin as the barrier membranes. Donor and receptor comp...

Optimization of Reservoir Operation Using Combined Genetic Algorithm and Wavelet Transform Method

L. Ebrahimi — 2007-09-30

American Journal of Agricultural and Biological Sciences, Published online: 30 September 2007; doi:10.3844/ajabssp.2007.153.158

Dams construction are high cost projects, and therefore, optimal using of reservoir storages behind dams is an important task in water resources management. In last decades, various optimization techn...

A Comparative Assessment of the Characteristics of Saturated Wetland Soil and a Well Drained Forest Soil

A. Snow — 2007-09-30

American Journal of Agricultural and Biological Sciences, Published online: 30 September 2007; doi:10.3844/ajabssp.2007.159.167

A surface flow wetland was constructed in the Burnside Industrial Park, Dartmouth, Nova Scotia, to treat stormwater runoff from the surrounding watersheds which are comprised primarily of commercial p...

The Nutritive Value of Wastewater Grown Barley and its Utilization in Fish Feed

A.M. Snow — 2007-09-30

American Journal of Agricultural and Biological Sciences, Published online: 30 September 2007; doi:10.3844/ajabssp.2007.168.183

The feasibility of using wastewater grown barley plants as a component of fish feed was evaluated. The barley plants were grown in a hydroponics system on wastewater from a recirculating aquaculture f...

Effects of Agricultural Extension Workers’ Perceptions of Off-the-Job Training and On-the-Job Training to the Development of Their Skills

Mohammad Jiaul Hoque — 2007-09-30

American Journal of Agricultural and Biological Sciences, Published online: 30 September 2007; doi:10.3844/ajabssp.2007.184.190

This study was conducted to identify the contributing perceptions of Agricultural Extension Workers (AEWs) regarding off-the-job training and on-the-job training (OJT) for developing their extension s...

Identification of Perfluorooctanoic Acid Release from Commercial Coated Cooking Pans by Liquid Chromatography Coupled to Electrospray Ionization Tandem Mass Spectrometry

Monica Bononi — 2007-09-30

American Journal of Agricultural and Biological Sciences, Published online: 30 September 2007; doi:10.3844/ajabssp.2007.191.194

Salts of perfluorooctanoic acid (PFOA) can be used in the manufacture of fluoropolymers employed for coating pans; moreover, PFOA can be formed as a byproduct of thermolysis of the aforesaid fluoropol...

QTL Mapping Using Multiple Markers Simultaneously

D. Kolbehdari — 2007-09-30

American Journal of Agricultural and Biological Sciences, Published online: 30 September 2007; doi:10.3844/ajabssp.2007.195.201

Methods for detecting and locating a single QTL within a 10 cM region of DNA using 10 equally spaced SNP markers were compared. The QTL was assumed to be bi-allelic and located between markers 5 and 6...

Effects of Extraction and Fractionation Period on the Yield of a Tropical Peat Soil (Hemists) Humic Acids

Susilawati Kasim — 2007-09-30

American Journal of Agricultural and Biological Sciences, Published online: 30 September 2007; doi:10.3844/ajabssp.2007.202.205

The isolation of humic acids from soils is laborious and time consuming. Factors that affect the yield of humic acids isolated from soils include extraction, fractionation and purification periods. Th...

A Hydroponic System for Purification of Anaerobically Treated Dairy Manure and Production of Wheat as a Nutritional Forage Crop

A. E. Ghaly — 2007-09-30

American Journal of Agricultural and Biological Sciences, Published online: 30 September 2007; doi:10.3844/ajabssp.2007.206.217

A hydroponic system was developed and used for purification of an anaerobically treated dairy manure and production of forage crops. The effect of light duration, seeding rate and wastewater applicati...