Volume 3, Issue 4 (2008) | American Journal of Agricultural and Biological Sciences

A Review on Physicochemical and Thermorheological Properties of Sago Starch

A. Mohamed — 2008-12-31

American Journal of Agricultural and Biological Sciences, Published online: 31 December 2008; doi:10.3844/ajabssp.2008.639.646

This study was a part of a research project aiming to investigate the texture characteristics of protein - starch interaction in fish based product keropok lekor. Accordingly, the current review study...

Extension Mechanisms to Support Sustainable Agriculture in Iran Context

Mohammad Sadegh Allahyari — 2008-12-31

American Journal of Agricultural and Biological Sciences, Published online: 31 December 2008; doi:10.3844/ajabssp.2008.647.655

Sustainable agriculture, as a managerial philosophy has risen to meet environmental, economic and social complications. Agricultural extension as a source of information plays an important role for th...

Evaluating Agro-Climatologically Variables to Identify Suitable Areas for Rapeseed in Different Dates of Sowing by GIS approach

A. Ghasemi Pirbalouti — 2008-12-31

American Journal of Agricultural and Biological Sciences, Published online: 31 December 2008; doi:10.3844/ajabssp.2008.656.660

The study carried out in tow provinces (Isfahan and Chaharmahal va Bakhtyiari), central and southwest, Iran. The study area covers approximately 37659 Km2 of total area. This area is located between l...

Taxonomic Significance of ISTR to Discriminate Species in Agavaceae

Martha Isabel Torres-Morán — 2008-12-31

American Journal of Agricultural and Biological Sciences, Published online: 31 December 2008; doi:10.3844/ajabssp.2008.661.665

Family Agavaceae is endemic of American Continent. From the around 300 species recognized in this family, 217 occur in Mexico. Relevant ethnobotanic relationships among Agavaceae and the several nativ...

Effect of Plant Density on Flowering Date, Yield and Quality Attribute of Bush Beans (Phaseolus Vulgaris L.) under Center Pivot Irrigation System

Samih Abubaker — 2008-12-31

American Journal of Agricultural and Biological Sciences, Published online: 31 December 2008; doi:10.3844/ajabssp.2008.666.668

This research evaluates six different planting densities (10∗30, 20∗30, 30∗30, 40∗30, 50∗30, 60∗30) of bean (Phaseolus Vulgaris L.), Bronco variety and their impacts on yield, earliness an...

Investigation of Water Stress on Macro Elements in Rapeseed Genotypes Leaf (Brassica napus)

Mohammad Nasri — 2008-12-31

American Journal of Agricultural and Biological Sciences, Published online: 31 December 2008; doi:10.3844/ajabssp.2008.669.672

In order to study of changing of macro elements in water stress condition an experimental design was carried out to study effect of different levels irrigation (0, 25, 50, 75) percentage of Field Capa...

People Participation, an Undeniable Necessity for Conserving Forest Areas of Arasbaran Region in Iran

Sara Zare — 2008-12-31

American Journal of Agricultural and Biological Sciences, Published online: 31 December 2008; doi:10.3844/ajabssp.2008.673.680

The issue of participation has recently become an interesting point for many national, regional and international institutions. Participation and collaboration of Iranians in the field of natural reso...

Comparisons of Phytotoxicity of Barley Parts Extracts in Three Growth Stages on Annual Ryegrass

Kolahi Maryam — 2008-12-31

American Journal of Agricultural and Biological Sciences, Published online: 31 December 2008; doi:10.3844/ajabssp.2008.681.685

Problem statement: The importance of allelopathy in nature and in agroecosystem has attracted researcher's attention with the main goal of using the phenomenon in biological control of weeds. curr...

Laboratory Investigation of the Biology of Bactericera tremblayi Wag. (Homoptera: Triozidae) a New Pest in Onion Fields of Iran

Mohammad Hossein. Kazemi — 2008-12-31

American Journal of Agricultural and Biological Sciences, Published online: 31 December 2008; doi:10.3844/ajabssp.2008.686.688

Problem statement: Psyllids as a small group of insects with plant feeding adult and nymphal stages, not only could have direct feeding damages but they could also transmit plant diseases especial...

Distillation and Microdiffusion Modifications for total Nh_4f Quantification and ¹⁵N Recovery

Gaius D. Eudoxie — 2008-12-31

American Journal of Agricultural and Biological Sciences, Published online: 31 December 2008; doi:10.3844/ajabssp.2008.689.698

Problem statement: Applying 15N techniques to accurately determine the fate of fixed ammonium (NH4f) in the strongly and weakly held pools require modifications to existing methodologies. Modifica...

Investigation of the Effective Factors on Threshing loss, Damaged Grains Percent and Material Other than Grain to Grain Ratio on an Auto Head Feed Threshing Unit

E. Askari Asli-Ardeh — 2008-12-31

American Journal of Agricultural and Biological Sciences, Published online: 31 December 2008; doi:10.3844/ajabssp.2008.699.705

Problem Statement: Regarding to considerable production of rice crop in Iran, study and investigation about optimization of different stages of this product processing seems necessary. The threshi...

An Assessment of Farmers Willingness to Pay for Wheat Consultant Engineers Project: In Iran

Ali Asadi — 2008-12-31

American Journal of Agricultural and Biological Sciences, Published online: 31 December 2008; doi:10.3844/ajabssp.2008.706.711

Problem statement: Public extension performance in many developing countries including Iran is not up to the expectation of farming community. Further, in recent years, many governments are very r...

Residual Influence of Early Season Crop Fertilization and Cropping System on Growth and Yield of Cassava

E. A. Makinde — 2008-12-31

American Journal of Agricultural and Biological Sciences, Published online: 31 December 2008; doi:10.3844/ajabssp.2008.712.715

Problem Statement: In assessing fertilizer effects to sustain an intensive cropping system, the residual effects of fertilizer applied to preceding maize on the growth and yield of cassava and the eff...

Farmers' Use of Integrated Soil Fertility and Nutrient Management Practices for Sustainable Crop Production: A Field-level Study in Bangladesh

M. Golam Farouque — 2008-12-31

American Journal of Agricultural and Biological Sciences, Published online: 31 December 2008; doi:10.3844/ajabssp.2008.716.723

Problem statement: The most pressing problem for Bangladesh agriculture is the current state of gradual decreasing of soil fertility, stagnating crop yields and declining productivity in a range o...

Major Challenges of Iranian Rural Communities for Achieving Sustainable Development

Khalil Kalantari — 2008-12-31

American Journal of Agricultural and Biological Sciences, Published online: 31 December 2008; doi:10.3844/ajabssp.2008.724.728

Problem statement: Rural population in Iran live in an unstable environment and geographically, villages are extremely diverse and more than 65% of them have population less than 250 persons, which do...

Dietary Intake of Selected Common Vegetable Foods and their Total Carotenoids Determination

Jafar Muhammad EL-Qudah — 2008-12-31

American Journal of Agricultural and Biological Sciences, Published online: 31 December 2008; doi:10.3844/ajabssp.2008.729.733

Problem Statement: Vitamin A Deficiency (VAD) remains widespread in many countries including Jordan, mainly due to inadequate dietary intake of vitamin A and carotenoids. Approach: Few researches on c...

Effects of Grazing Sorghum Stubble on Soil Physical Properties and Subsequent Crop Performance

B.J. Radford — 2008-12-31

American Journal of Agricultural and Biological Sciences, Published online: 31 December 2008; doi:10.3844/ajabssp.2008.734.742

Two grazing trials were conducted on a Vertosol in central Queensland to assess the effects of stubble grazing by cattle on soil properties and subsequent crop performance. Two adjacent contour bays w...